Notice was published in the Canada Gazette Part I on May 12, 2007 of the 20 substances assigned to batch 3, and the substances within the remaining batches of the Challenge Substances.

The substances were identified during the categorization exercise conducted in order to comply with the requirements of the Canadian Environmental Protection Act. The batch 3 Challenge substances identified as persistent, bioaccumulative, and inherently toxic to non-human organisms and which are believed to be in commercial use in Canada are listed below.

CAS No.

Substance Name ±

81-68-5 *

Benzenesulfonamide, N -(4-amino-9,10-dihydro-3-methoxy-9,10-dioxo-1-anthracenyl)-4-methyl-

1594-08-7

9,10-Anthracenedione, 1-hydroxy-4-[[4-[(methylsulfonyl)oxy]phenyl]amino]-

2425-85-6

2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-

2814-77-9

 

2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]-

3468-63-1

2-Naphthalenol, 1-[(2,4-dinitrophenyl)azo]-

4395-65-7*

9,10-Anthracenedione, 1-amino-4-(phenylamino)-

6410-09-9*

2-Naphthalenol, 1-[(2-nitrophenyl)azo]-

6410-13-5*

2-Naphthalenol, 1-[(4-chloro-2-nitrophenyl)azo]-

6410-41-9*

2-Naphthalenecarboxamide, N -(5-chloro-2,4-dimethoxyphenyl)-4-[[5-(diethylamino)sulfonyl]-2-methoxyphenyl]azo]-3-hydroxy-

6471-01-8*

2-Anthracenesulfonic acid, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneimino)]bis[1-amino-9,10-dihydro-9,10-dioxo-, disodium salt

20241-76-3

9,10-Anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)- 

25155-25-3

Peoxide, [1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl)

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

72243-90-4

Benzenesulfonic acid, 3-[[4-[aminto-9,10-dihydro-9,10-dioxo-3-[sulfo-4-(1,1,3,3-tetramethylbutyl)phenoxy}-1-anthracenyl]amino]-2,4,6-trimethyl-, disodium salt

74336-60-0*

9,10-Anthracenedione, 1-[5,7-dichloro-1,9-dihydro-2-methyl-9-oxopyrazolo[5,1- b ]quinazolin-3-yl)azo]-

The batch 3 Challenge substances identified as a high hazard to humans and presenting a high likelihood of exposure to individuals in Canada are set out below.

CAS No.

Substance Name ±

110-49-6

Ethanol, 2-methoxy-,acetate

111-15-9

Ethanol, 2-ethoxy-,acetate

111-77-3

Ethanol, 2-(2-methoxyethoxy)-

1589-47-5

1-Propanol, 2-methoxy-