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List of all Challenge substances

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This table represents the composition status of the substances in each batch as of the 26 December 2009 launch of Batch 12. The composition of each Challenge batch is confirmed 3 months before it is launched in the Canada Gazette Part 1.

Finalized Challenge Batches (as of the 26 December 2009 Launch of Batch 12)
CAS RN Substance name Challenge Batch No. Batch Status Categorization Decision

Table 1 footnotes

  • Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances.
  • Substances added to the Challenge as a result of information received during public comments on the December 9, 2006 Notice with respect to the draft screening assessment report on 148 PBiT substances published in the Canada Gazette, Part I, along with a notice of intent to amend the Domestic Substances List to apply the Significant New Activity provisions under subsection 81(3) of the Canadian Environmental Protection Act, 1999 to these 148 substances.
78-63-7 Peroxide, (1,1,4,4-tetramethyl-1,4-butanediyl)bis[(1,1-dimethylethyl) Batch 1 Finalized Environment
1068-27-5 Peroxide, (1,1,4,4-tetramethyl-2-butyne-1,4-diyl)bis[(1,1-dimethylethyl) Batch 1 Finalized Environment
6731-36-8 Peroxide, (3,3,5-trimethylcyclohexylidene)bis[(1,1-dimethylethyl) Batch 1 Finalized Environment
12236-64-5 2-Naphthalenecarboxamide, N-[4-(acetylamino)phenyl]-4-[ [5-(aminocarbonyl) -2-chlorophenyl]azo]-3-hydroxy- Batch 1 Finalized Environment
43035-18-3 Benzenesulfonic acid, 4-[[3-[[2-hydroxy-3-[[(4-methoxyphenyl)amino]carbonyl]-1-naphthalenyl]azo]-4-methylbenzoyl]amino]-, calcium salt (2:1) Batch 1 Finalized Environment
54079-53-7 Propanedinitrile, [[4-[[2-(4-cyclohexylphenoxy)ethyl]ethylamino]-2-methylphenyl]methylene]- Batch 1 Finalized Environment
59487-23-9 2-Naphthalenecarboxamide, 4-[[5- [[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2, 4-dimethoxyphenyl)-3-hydroxy- Batch 1 Finalized Environment
75-56-9 Oxirane, methyl- Batch 1 Finalized Health
91-08-7 Benzene, 1,3-diisocyanato-2-methyl Batch 1 Finalized Health
91-20-3 Naphthalene Batch 1 Finalized Health
106-88-7 Oxirane, ethyl- Batch 1 Finalized Health
120-80-9 1,2-benzenediol Batch 1 Finalized Health
123-31-9 1,4-benzenediol Batch 1 Finalized Health
584-84-9 Benzene, 2,4-diisocyanato-1-methyl Batch 1 Finalized Health
26471-62-5 Benzene, 1,3-diisocyanatomethyl- Batch 1 Finalized Health
540-97-6 Cyclohexasiloxane, dodecamethyl- Batch 2 Finalized Environment
541-02-6 Cyclopentasiloxane, decamethyl- Batch 2 Finalized Environment
556-67-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Cyclotetrasiloxane, octamethyl- Batch 2 Finalized Environment and Health
732-26-3 Phenol, 2,4,6-tris(1,1-dimethylethyl)- Batch 2 Finalized Environment
2778-42-9 Benzene, 1,3-bis(1-isocyanato-1-methylethyl)- Batch 2 Finalized Environment
4474-24-2 Benzenesulfonic acid, 3,3'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[2,4,6-trimethyl-, disodium salt Batch 2 Finalized Environment
15086-94-9 Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy- Batch 2 Finalized Environment
70161-19-2 Benzenesulfonic acid, [(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino-4,1-phenyleneoxy)]bis-, disodium salt Batch 2 Finalized Environment
83006-67-1 Benzenesulfonic acid, 2,2 -[(9,10-dihydro-5,8-dihydroxy-9,10-dioxo-1,4-anthracenediyl)diimino]bis[5-(1,1-dimethylethyl)-, disodium salt Batch 2 Finalized Environment
125351-99-7 9,10-Anthracenedione, 1,4-bis[(4-methylphenyl)amino]-, sulfonated, potassium salts Batch 2 Finalized Environment
62-56-6 Thiourea Batch 2 Finalized Health
78-79-5 1,3-Butadiene, 2-methyl- Batch 2 Finalized Health
80-05-7 Phenol, 4,4 -(1-methylethylidene)bis- Batch 2 Finalized Health
106-89-8 Oxirane, (chloromethyl)- Batch 2 Finalized Health
108-05-4 Acetic acid ethenyl ester Batch 2 Finalized Health
1344-37-2 C.I. Pigment Yellow 34 Batch 2 Finalized Health
12656-85-8 C.I. Pigment Red 104 Batch 2 Finalized Health
81-68-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzenesulfonamide, N-(4-amino-9,10-dihydro-3-methoxy-9,10-dioxo-1-anthracenyl)-4-methyl- Batch 3 Finalized Environment
1594-08-7 9,10-Anthracenedione, 1-hydroxy-4-[[4-[(methylsulfonyl)oxy]phenyl]amino]- Batch 3 Finalized Environment
2425-85-6 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]- Batch 3 Finalized Environment
2814-77-9 2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]- Batch 3 Finalized Environment
3468-63-1 2-Naphthalenol, 1-[(2,4-dinitrophenyl)azo]- Batch 3 Finalized Environment
4395-65-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 9,10-Anthracenedione, 1-amino-4-(phenylamino)- Batch 3 Finalized Environment
6410-09-9Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Naphthalenol, 1-[(2-nitrophenyl)azo]- Batch 3 Finalized Environment
6410-13-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Naphthalenol, 1-[(4-chloro-2-nitrophenyl)azo]- Batch 3 Finalized Environment
6410-41-9Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Naphthalenecarboxamide, N-(5-chloro-2, 4-dimethoxyphenyl)-4-[ [5-[(diethylamino)sulfonyl] -2-methoxyphenyl]azo]-3-hydroxy- Batch 3 Finalized Environment
6471-01-8Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Anthracenesulfonic acid, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneimino)]bis[1-amino-9,10-dihydro-9,10-dioxo-, disodium salt Batch 3 Finalized Environment
20241-76-3 9,10-Anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)- Batch 3 Finalized Environment
25155-25-3 Peroxide, [1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl) Batch 3 Finalized Environment
60352-98-9 1-Propanaminium, 3-[[4-[(2,4-dimethylphenyl)amino]-9,10-dihydro-9,10-dioxo-1-anthracenyl]amino]-N,N,N-trimethyl-, methylsulfate Batch 3 Finalized Environment
72243-90-4 Benzenesulfonic acid, 3-[[4-amino-9,10-dihydro-9,10-dioxo-3-[sulfo-4-(1,1,3,3-tetramethylbutyl)phenoxy]-1-anthracenyl]amino]-2,4,6-trimethyl-, disodium salt Batch 3 Finalized Environment
74336-60-0Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 9,10-Anthracenedione, 1-[(5,7-dichloro-1,9-dihydro-2-methyl-9-oxopyrazolo[5,1-b]quinazolin-3-yl)azo]- Batch 3 Finalized Environment
110-49-6 Ethanol, 2-methoxy-, acetate Batch 3 Finalized Health
111-15-9 Ethanol, 2-ethoxy-, acetate Batch 3 Finalized Health
111-77-3 Ethanol, 2-(2-methoxyethoxy)- Batch 3 Finalized Health
1589-47-5 1-Propanol, 2-methoxy- Batch 3 Finalized Health
115-39-9Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-, S,S-dioxide Batch 4 Finalized Environment
115-40-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxide Batch 4 Finalized Environment
125-31-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-, S,S-dioxide Batch 4 Finalized Environment
1154-59-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzamide, 3,5-dichloro-N-(3,4-dichlorophenyl)-2-hydroxy- Batch 4 Finalized Environment
1176-74-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzoic acid, 2-[(3,5-dibromo-4-hydroxyphenyl)(3,5-dibromo-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-, ethyl ester Batch 4 Finalized Environment
17321-77-6 5H-Dibenz[b,f]azepine-5-propanamine, 3-chloro-10,11-dihydro-N,N-dimethyl-, monohydrochloride Batch 4 Finalized Environment
62625-32-5 Phenol, 4,4 -(3H-1,2-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-, S,S-dioxide, monosodium salt Batch 4 Finalized Environment
64325-78-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Adenosine, N-benzoyl-5 -O-[bis(4-methoxyphenyl)phenylmethyl]-2 -deoxy- Batch 4 Finalized Environment
68308-48-5 Amines, tallow alkyl, ethoxylated, phosphates Batch 4 Finalized Environment
68443-10-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Amines, C18-22-tert-alkyl, ethoxylated Batch 4 Finalized Environment
68921-45-9 Benzenamine, N-phenyl-, reaction products with styrene and 2,4,4-trimethylpentene Batch 4 Finalized Environment
70776-86-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Butanone, 4-[[[1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenyl]methyl](3-oxo-3-phenylpropyl)amino]-, [1R-(1a,4aß,10aa)]- Batch 4 Finalized Environment
79357-73-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Amines, C18-22-tert-alkyl, (chloromethyl)phosphonates (2:1) Batch 4 Finalized Environment
64-67-5 Sulfuric acid, diethyl ester Batch 4 Finalized Health
75-28-5 Propane, 2-methyl- Batch 4 Finalized Health
77-78-1 Sulfuric acid, dimethyl ester Batch 4 Finalized Health
106-97-8 Butane Batch 4 Finalized Health
110-54-3 Hexane Batch 4 Finalized Health
5261-31-4 Propanenitrile, 3-[[2-(acetyloxy)ethyl][4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]amino]- Batch 5 Finalized Environment
6232-56-0Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Ethanol, 2-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]methylamino]- Batch 5 Finalized Environment
12239-34-8 Acetamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(2-bromo-4,6-dinitrophenyl)azo]-4-ethoxyphenyl]- Batch 5 Finalized Environment
16421-40-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Acetamide, N-[5-[[2-(acetyloxy)ethyl](phenylmethyl)amino]-2-[(2-chloro-4,6-dinitrophenyl)azo]-4-methoxyphenyl]- Batch 5 Finalized Environment
16421-41-3Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Acetamide, N-[5-[[2-(acetyloxy)ethyl](phenylmethyl) amino]-2-[(2,4-dinitrophenyl)azo]-4-methoxyphenyl]- Batch 5 Finalized Environment
17464-91-4Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Ethanol, 2,2'-[[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]-3-chlorophenyl]imino]bis- Batch 5 Finalized Environment
23355-64-8Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Ethanol, 2,2'-[[3-chloro-4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bis- Batch 5 Finalized Environment
26850-12-4 Propanamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(2-chloro-4-nitrophenyl)azo]phenyl]- Batch 5 Finalized Environment
29765-00-2 Benzamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(4-nitrophenyl)azo]phenyl]- Batch 5 Finalized Environment
52697-38-8 Acetamide, N-[2-[(2-bromo-4,6-dinitrophenyl)azo]-5-(diethylamino)phenyl]- Batch 5 Finalized Environment
55281-26-0 Propanenitrile, 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]- Batch 5 Finalized Environment
55619-18-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Ethanol, 2,2'-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]imino]bis-, diacetate (ester) Batch 5 Finalized Environment
72927-94-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzenamine, 4-[(2,6-dichloro-4-nitrophenyl)azo]-N-(4-nitrophenyl)- Batch 5 Finalized Environment
75-12-7 Formamide Batch 5 Finalized Health
79-06-1 2-Propenamide Batch 5 Finalized Health
79-07-2 Acetamide, 2-chloro- Batch 5 Finalized Health
115-96-8 Ethanol, 2-chloro-, phosphate (3:1) Batch 5 Finalized Health
126-73-8 Phosphoric acid tributyl ester Batch 5 Finalized Health
127-19-5 Acetamide, N,N-dimethyl- Batch 5 Finalized Health
85-86-9 2-Naphthalenol, 1-[[4-(phenylazo)phenyl]azo]- Batch 6 Finalized Environment
1229-55-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Naphthalenol, 1-[(2-methoxyphenyl)azo]- Batch 6 Finalized Environment
1937-37-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt Batch 6 Finalized Environment
3118-97-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 2-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]- Batch 6 Finalized Environment
6250-23-3Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4-[[4-(phenylazo)phenyl]azo]- Batch 6 Finalized Environment
6253-10-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4-[[4-(phenylazo)-1-naphthalenyl]azo]- Batch 6 Finalized Environment
6300-37-4Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 2-methyl-4-[[4-(phenylazo)phenyl]azo]- Batch 6 Finalized Environment
6358-57-2 2,7-Naphthalenedisulfonic acid, 3-[[2,2'-dimethyl-4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt Batch 6 Finalized Environment
6535-42-8 1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- Batch 6 Finalized Environment
7147-42-4Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methylphenyl)-3-oxo- Batch 6 Finalized Environment
19800-42-1 Phenol, 4-[[2-methoxy-4-[(4-nitrophenyl)azo]phenyl]azo]- Batch 6 Finalized Environment
21811-64-3Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4,4'-[1,4-phenylenebis(azo)]bis- Batch 6 Finalized Environment
93805-00-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4-[[2-methoxy-4-[(2-methoxyphenyl)azo]-5-methylphenyl]azo]- Batch 6 Finalized Environment
74-87-3 Methane, chloro- Batch 6 Finalized Health
100-44-7 Benzene, (chloromethyl)- Batch 6 Finalized Health
107-05-1 1-Propene, 3-chloro- Batch 6 Finalized Health
117-82-8 1,2-Benzenedicarboxylic acid, bis(2-methoxyethyl) ester Batch 6 Finalized Health
68515-42-4 1,2-Benzenedicarboxylic acid, di-C7-11-branched and linear alkyl esters Batch 6 Finalized Health
1325-86-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 1-Naphthalenemethanol, α,α-bis[4-(diethylamino)phenyl]-4-(ethylamino)- Batch 7 Finalized Environment
6407-74-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 3H-Pyrazol-3-one, 4-[(2-chlorophenyl)azo]-2,4-dihydro-5-methyl-2-phenyl- Batch 7 Finalized Environment
6407-78-9Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl- Batch 7 Finalized Environment
6786-83-0Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 1-Naphthalenemethanol, α,α-bis[4-(dimethylamino) phenyl]-4-(phenylamino)- Batch 7 Finalized Environment
16586-42-8 Propanenitrile, 3-[ethyl[3-methyl-4-[(6-nitro-2-benzothiazolyl)azo]phenyl]amino]- Batch 7 Finalized Environment
25176-89-0Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Propanenitrile, 3-[[4-[(5,6-dichloro-2-benzothiazolyl)azo]phenyl]ethylamino]- Batch 7 Finalized Environment
29398-96-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. [1,1'-Biphenyl]-4,4'-diamine, N,N'-bis(2,4-dinitrophenyl)-3,3'-dimethoxy- Batch 7 Finalized Environment
72968-82-2 Methanesulfonamide, N-[2-[(2,6-dicyano-4-methylphenyl)azo]-5-(dipropylamino)phenyl]- Batch 7 Finalized Environment
106276-78-2Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzoic acid, 2,3,4,5-tetrachloro-6-cyano-, methyl ester, reaction products with 4-[(4-aminophenyl)azo]-3-methylbenzenamine and sodium methoxide Batch 7 Finalized Environment
78-59-1 2-Cyclohexen-1-one, 3,5,5-trimethyl- Batch 7 Finalized Health
90-94-8 Methanone, bis[4-(dimethylamino)phenyl]- Batch 7 Finalized Health
96-29-7 2-Butanone, oxime Batch 7 Finalized Health
123-91-1 1,4-Dioxane Batch 7 Finalized Health
2426-08-6 Oxirane, (butoxymethyl)- Batch 7 Finalized Health
626-39-1Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzene, 1,3,5-tribromo- Batch 8 Finalized Environment
944-61-6 Benzene, 1,2,3,4-tetrachloro-5,6-dimethoxy- Batch 8 Finalized Environment
2215-35-2 Zinc, bis[O,O-bis(1,3-dimethylbutyl) phosphorodithioato-S,S']-, (T-4)- Batch 8 Finalized Environment
17540-75-9 Phenol, 2,6-bis(1,1-dimethylethyl)-4-(1-methylpropyl)- Batch 8 Finalized Environment
65140-91-2 Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, monoethyl ester, calcium salt (2:1) Batch 8 Finalized Environment
68551-44-0 Fatty acids, C6-19-branched, zinc salts Batch 8 Finalized Environment
70331-94-1Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, (1,2-dioxo-1,2-ethanediyl)bis(imino-2,1-ethanediyl) ester Batch 8 Finalized Environment
72102-55-7 Methylium, [4-(dimethylamino)phenyl]bis[4-(ethylamino)-3-methylphenyl]-, acetate Batch 8 Finalized Environment
75768-65-9 Phosphonium, triphenyl(phenylmethyl)-, salt with 4,4 -[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis[phenol] (1:1) Batch 8 Finalized Environment
75-52-5 Methane, nitro- Batch 8 Finalized Health
79-46-9 Propane, 2-nitro- Batch 8 Finalized Health
88-72-2 Benzene, 1-methyl-2-nitro- Batch 8 Finalized Health
139-13-9 Glycine, N,N-bis(carboxymethyl)- Batch 8 Finalized Health
25013-16-5 Phenol, (1,1-dimethylethyl)-4-methoxy- Batch 8 Finalized Health
475-71-8Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione Batch 9 Finalized Environment
509-34-2 Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(diethylamino)- Batch 9 Finalized Environment
1326-05-2 Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, lead salt Batch 9 Finalized Environment
2134-15-8Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzoic acid, 2,3,4,5-tetrachloro-6-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)- Batch 9 Finalized Environment
2379-74-0 Benzo[b]thiophen-3(2H)-one, 6-chloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl- Batch 9 Finalized Environment
7328-97-4 Oxirane, 2,2' ,2" ,2" -[1,2-ethanediylidenetetrakis(4,1-phenyleneoxymethylene)]tetrakis- Batch 9 Finalized Environment
14295-43-3Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzo[b]thiophen-3(2H)-one, 4,7-dichloro-2-(4,7-dichloro-3-oxobenzo[b]thien-2(3H)-ylidene)- Batch 9 Finalized Environment
38465-55-3Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Nickel, bis[1-[4-(dimethylamino)phenyl]-2-phenyl-1,2-ethenedithiolato(2-)-S,S']- Batch 9 Finalized Environment
41556-26-7 Decanedioic acid, bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester Batch 9 Finalized Environment
58161-93-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzoic acid, 4-[1-[[(2,4-dichlorophenyl)amino]carbonyl]-3,3-dimethyl-2-oxobutoxy]- Batch 9 Finalized Environment
64338-16-5 7-Oxa-3,20-diazadispiro[5.1.11.2]heneicosan-21-one, 2,2,4,4-tetramethyl- Batch 9 Finalized Environment
71032-95-6Substances added to the Challenge as a result of information received during public comments on the December 9, 2006 Notice with respect to the draft screening assessment report on 148 PBiT substances published in the Canada Gazette, Part I, along with a notice of intent to amend the Domestic Substances List to apply the Significant New Activity provisions under subsection 81(3) of the Canadian Environmental Protection Act, 1999 to these 148 substances. 2-Naphthalenesulfonic acid, 7-[[4,6-bis[[3-(diethylamino)propyl]amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[4-(phenylazo)phenyl]azo]-, monoacetate (salt) Batch 9 Finalized Environment
88-12-0 2-Pyrrolidinone, 1-ethenyl- Batch 9 Finalized Health
93-15-2 Benzene, 1,2-dimethoxy-4-(2-propenyl)- Batch 9 Finalized Health
1309-64-4 Antimony oxide (Sb2O3) Batch 9 Finalized Health
1314-62-1 Vanadium oxide (V2O5) Batch 9 Finalized Health
7758-01-2 Bromic acid, potassium salt Batch 9 Finalized Health
42739-61-7 Nickel, bis[2,3-bis(hydroxyimino)-N-(2-methoxyphenyl)butanamidato]- Batch 10 Finalized Environment
64365-17-9 Resin acids and Rosin acids, hydrogenated, esters with pentaerythritol Batch 10 Finalized Environment
65997-06-0 Rosin, hydrogenated Batch 10 Finalized Environment
65997-13-9 Resin acids and Rosin acids, hydrogenated, esters with glycerol Batch 10 Finalized Environment
68648-53-3 Resin acids and Rosin acids, hydrogenated, esters with triethylene glycol Batch 10 Finalized Environment
85702-90-5 2,9,11,13-Tetraazanonadecanethioic acid, 19-isocyanato-11-(6-isocyanatohexyl)-10,12-dioxo-, S-[3-(trimethoxysilyl)propyl] ester Batch 10 Finalized Environment
124751-15-1Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Resin acids and Rosin acids, fumarated, barium salts Batch 10 Finalized Environment
302-01-2 Hydrazine Batch 10 Finalized Health
330-54-1 Urea, N'-(3,4-dichlorophenyl)-N,N-dimethyl- Batch 10 Finalized Health
7440-48-4 Cobalt Batch 10 Finalized Health
7646-79-9 Cobalt chloride Batch 10 Finalized Health
10124-43-3 Sulfuric acid, cobalt(2+) salt (1:1) Batch 10 Finalized Health
603-33-8Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Bismuthine, triphenyl- Batch 11 Finalized Environment
10448-09-6Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Cyclotetrasiloxane, heptamethylphenyl- Batch 11 Finalized Environment
40615-36-9Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Benzene, 1,1'-(chlorophenylmethylene)bis[4-methoxy- Batch 11 Finalized Environment
64111-81-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 2-phenoxy-, trichloro deriv. Batch 11 Finalized Environment
68412-48-6 2-Propanone, reaction products with diphenylamine Batch 11 Finalized Environment
68478-45-5 1,4-Benzenediamine, N,N'-mixed tolyl and xylyl derivs. Batch 11 Finalized Environment
68952-02-3 Siloxanes and Silicones, Me 3,3,3-trifluoropropyl, Me vinyl,hydroxy-terminated Batch 11 Finalized Environment
68953-84-4 1,4-Benzenediamine, N,N'-mixed Ph and tolyl derivs. Batch 11 Finalized Environment
69430-47-3 Siloxanes and Silicones, di-Me, reaction products with Me hydrogen siloxanes and 1,1,3,3-tetramethyldisiloxane Batch 11 Finalized Environment
70900-21-9 Siloxanes and Silicones, di-Me, hydrogen-terminated Batch 11 Finalized Environment
125328-28-1Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Phenol, 4,4 -(1-methylethylidene)bis-, reaction products with hexakis(methoxymethyl)melamine Batch 11 Finalized Environment
98-01-1 2-Furancarboxaldehyde Batch 11 Finalized Health
103-23-1 Hexanedioic acid, bis(2-ethylhexyl) ester Batch 11 Finalized Health
107-22-2 Ethanedial Batch 11 Finalized Health
140-88-5 2-Propenoic acid, ethyl ester Batch 11 Finalized Health
149-57-5 Hexanoic acid, 2-ethyl- Batch 11 Finalized Health
53-19-0 Benzene, 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]- Batch 12 Finalized Environment
56-95-1 2,4,11,13-Tetraazatetradecanediimidamide, N,N' -bis(4-chlorophenyl)-3,12-diimino-, diacetate Batch 12 Finalized Environment
107-51-7 Trisiloxane, octamethyl- Batch 12 Finalized Environment
116-66-5Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 1H-Indene, 2,3-dihydro-1,1,3,3,5-pentamethyl-4,6-dinitro- Batch 12 Finalized Environment
515-03-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. 1- Naphthalenepropanol, α-ethenyldecahydro-2-hydroxy-α,2,5,5,8a-pentamethyl-, [1R-[1a(R*),2ß,4aß,8aα]]- Batch 12 Finalized Environment
3555-47-3 Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]- Batch 12 Finalized Environment
13080-86-9Substances added to the Challenge as a result of information received during public comments on the December 9, 2006 Notice with respect to the draft screening assessment report on 148 PBiT substances published in the Canada Gazette, Part I, along with a notice of intent to amend the Domestic Substances List to apply the Significant New Activity provisions under subsection 81(3) of the Canadian Environmental Protection Act, 1999 to these 148 substances. Benzenamine, 4,4' -[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis- Batch 12 Finalized Environment
59709-38-5 ß-Alanine, N-[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]phenyl]-N-(3-methoxy-3-oxopropyl)-, methyl ester Batch 12 Finalized Environment
68583-58-4 Ethanamine, N-ethyl-N-hydroxy-, reaction products with hexamethylcyclotrisiloxane, silica and 1,1,1-trimethyl-N-(trimethylsilyl)silanamine Batch 12 Finalized Environment
68937-51-9 Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, reaction products with ammonia, octamethylcyclotetrasiloxane and silica Batch 12 Finalized Environment
101200-53-7Substances for which no response was received to the notice published in the Canada Gazette, Part I, Vol. 140, No. 9, under section 71 of the Canadian Environmental Protection Act, 1999, on March 4, 2006, but for which stakeholders submitted the Declaration of Non-Engagement form indicating their interest in the substances. Pyridine, 2-[3-(3-chlorophenyl)propyl]- Batch 12 Finalized Environment
102-06-7 Guanidine, N,N -diphenyl- Batch 12 Finalized Health
1333-86-4 Carbon black Batch 12 Finalized Health
14464-46-1 Cristobalite Batch 12 Finalized Health
14808-60-7 Quartz Batch 12 Finalized Health
68391-11-7 Pyridine, alkyl derivs. Batch 12 Finalized Health