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Completed Assessments of Existing Substances

Substances in Batch 1 of the Challenge

(More information on Batch 1)

Batch 1 final screening assessment reports published in July 2008

CAS RN	Name	Final Screening Assessment
54079-53-7	Propanedinitrile, [[4-[[2-(4-cyclohexylphenoxy)ethyl]ethylamino]-2-methylphenyl]methylene]-	HTML
75-56-9	Oxirane, methyl-	HTML
91-08-7	Benzene, 1,3-diisocyanato-2-methyl	HTML
91-20-3	Naphthalene	HTML
106-88-7	Ethyloxirane	HTML
120-80-9	1,2-benzenediol	HTML
123-31-9	1,4-benzenediol	HTML
584-84-9	Benzene, 2,4-diisocyanato-1-methyl	HTML
26471-62-5	Benzene, 1,3-diisocyanatomethyl-	HTML
78-63-7	Peroxide, (1,1,4,4-tetramethyl-1,4-butanediyl)bis[(1,1-dimethylethyl)	HTML
1068-27-5	Peroxide, (1,1,4,4-tetramethyl-2-butyne-1,4-diyl)bis[(1,1-dimethylethyl)	HTML
6731-36-8	Peroxide, (3,3,5-trimethylcyclohexylidene)bis[(1,1-dimethylethyl)	HTML
12236-64-5	2-Naphthalenecarboxamide, N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxy-	HTML
43035-18-3	Benzenesulfonic acid, 4-[[3-[[2-hydroxy-3-[[(4-methoxyphenyl)amino]carbonyl]-1-naphthalenyl]azo]-4-methylbenzoyl]amino]-, calcium salt (2:1)	HTML
59487-23-9	2-Naphthalenecarboxamide, 4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxy-	HTML

Substances in Batch 2 of the Challenge

(More information on Batch 2)

Bisphenol A final screening assessment report published in October 2008

CAS RN	Name	Final Screening Assessment
80-05-7	Phenol, 4,4′ -(1-methylethylidene)bis-	HTML

Other Batch 2 final screening assessment reports published in January 2009

CAS RN	Name	Final Screening Assessment
540-97-6	Cyclohexasiloxane, dodecamethyl	HTML
541-02-6	Cyclopentasiloxane, decamethyl	HTML
556-67-2	Cyclotetrasiloxane, octamethyl	HTML
732-26-3	Phenol, 2,4,6-tris(1,1-dimethylethyl)	HTML
2778-42-9	Benzene, 1,3-bis(1-isocyanato-1-methylethyl)	HTML
4474-24-2	Benzenesulfonic acid, 3,3'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[2,4,6-trimethyl-, disodium salt	HTML
15086-94-9	Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy	HTML
70161-19-2	Benzenesulfonic acid, [(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino-4,1-phenyleneoxy)]bis-, disodium salt	HTML
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	HTML
125351-99-7	9,10-Anthracenedione, 1,4-bis[(4-methylphenyl)amino]-, sulfonated, potassium salts	HTML
62-56-6	Thiourea	HTML
78-79-5	1,3-Butadiene, 2-methyl	HTML
106-89-8	Oxirane, (chloromethyl)	HTML
108-05-4	Acetic acid ethenyl ester	HTML
1344-37-2	C.I. Pigment Yellow 34	HTML
12656-85-8	C.I. Pigment Red 104	HTML

Substances in Batch 3 of the Challenge

(More information on Batch 3)

Batch 3 final screening assessment reports published in February 2009

CAS RN	Name	Final Screening Assessment
110-49-6	Ethanol, 2-methoxy-, acetate	HTML  PDF
111-77-3	Ethanol, 2-(2-methoxyethoxy)-	HTML  PDF
1589-47-5	1-Propanol, 2-methoxy-	HTML  PDF
2425-85-6	2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-	HTML  PDF
81-68-5	Benzenesulfonamide, N-(4-amino-9,10-dihydro-3-methoxy-9,10-dioxo-1-anthracenyl)-4-methyl-	HTML  PDF
111-15-9	Ethanol, 2-ethoxy-, acetate	HTML  PDF
1594-08-7	9,10-Anthracenedione, 1-hydroxy-4-[[4-[(methylsulfonyl)oxy]phenyl]amino]-	HTML  PDF
2814-77-9	2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]-	HTML  PDF
3468-63-1	2-Naphthalenol, 1-[(2,4-dinitrophenyl)azo]-	HTML  PDF
4395-65-7	9,10-Anthracenedione, 1-amino-4-(phenylamino)-	HTML  PDF
6410-09-9	2-Naphthalenol, 1-[(2-nitrophenyl)azo]-	HTML  PDF
6410-13-5	2-Naphthalenol, 1-[(4-chloro-2-nitrophenyl)azo]-	HTML  PDF
6410-41-9	2-Naphthalenecarboxamide, N-(5-chloro-2,4-dimethoxyphenyl)-4-[[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]azo]-3-hydroxy-	HTML  PDF
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	HTML  PDF
20241-76-3	9,10-Anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)-	HTML  PDF
25155-25-3	Peroxide, [1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl)	HTML  PDF
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	HTML  PDF
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	HTML  PDF
74336-60-0	9,10-Anthracenedione, 1-[(5,7-dichloro-1,9-dihydro-2-methyl-9-oxopyrazolo[5,1-b]quinazolin-3-yl)azo]-	HTML  PDF

Substances in Batch 4 of the Challenge

(More information on Batch 4)

Batch 4 final screening assessment reports published in August 2009

CAS RN	Name	Final Screening Assessment
115-39-9	Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-, S,S-dioxide	HTML  PDF
115-40-2	Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxide	HTML  PDF
125-31-5	Phenol, 4,4 -(3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-, S,S-dioxide	HTML  PDF
1154-59-2	Benzamide, 3,5-dichloro-N-(3,4-dichlorophenyl)-2-hydroxy-	HTML  PDF
1176-74-5	Benzoic acid, 2-[(3,5-dibromo-4-hydroxyphenyl)(3,5-dibromo-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-, ethyl ester	HTML  PDF
17321-77-6	5H-Dibenz[b,f]azepine-5-propanamine, 3-chloro-10,11-dihydro-N,N-dimethyl-, monohydrochloride	HTML  PDF
62625-32-5	Phenol, 4,4 -(3H-1,2-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-, S,S-dioxide, monosodium salt	HTML  PDF
64325-78-6	Adenosine, N-benzoyl-5 -O-[bis(4-methoxyphenyl)phenylmethyl]-2 -deoxy-	HTML  PDF
68308-48-5	Amines, tallow alkyl, ethoxylated, phosphates	HTML  PDF
68443-10-7	Amines, C18-22-tert-alkyl, ethoxylated	HTML  PDF
68921-45-9	Benzenamine, N-phenyl-, reaction products with styrene and 2,4,4-trimethylpentene	HTML  PDF
70776-86-2	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-(1α,4αβ,10aα)]-	HTML  PDF
79357-73-6	Amines, C18-22-tert-alkyl, (chloromethyl)phosphonates (2:1)	HTML  PDF
64-67-5	Sulfuric acid, diethyl ester	HTML  PDF
75-28-5	Propane, 2-methyl-	HTML  PDF
77-78-1	Sulfuric acid, dimethyl ester	HTML  PDF
106-97-8	Butane	HTML  PDF
110-54-3	Hexane	HTML  PDF

Substances in Batch 5 of the Challenge

(More information on Batch 5)

Batch 5 final screening assessment reports published in August 2009

CAS RN	Name	Final Screening Assessment
5261-31-4	Propanenitrile, 3-[[2-(acetyloxy)ethyl][4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]amino]-	HTML  PDF
6232-56-0	Ethanol, 2-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]methylamino]-	HTML  PDF
12239-34-8	Acetamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(2-bromo-4,6-dinitrophenyl)azo]-4-ethoxyphenyl]-	HTML  PDF
16421-40-2	Acetamide, N-[5-[[2-(acetyloxy)ethyl](phenylmethyl)amino]-2-[(2-chloro-4,6-dinitrophenyl)azo]-4-methoxyphenyl]-	HTML  PDF
16421-41-3	Acetamide, N-[5-[[2-(acetyloxy)ethyl](phenylmethyl)amino]-2-[(2,4-dinitrophenyl)azo]-4-methoxyphenyl]-	HTML  PDF
17464-91-4	Ethanol, 2,2'-[[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]-3-chlorophenyl]imino]bis-	HTML  PDF
23355-64-8	Ethanol, 2,2'-[[3-chloro-4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bis-	HTML  PDF
26850-12-4	Propanamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(2-chloro-4-nitrophenyl)azo]phenyl]-	HTML  PDF
29765-00-2	Benzamide, N-[5-[bis[2-(acetyloxy)ethyl]amino]-2-[(4-nitrophenyl)azo]phenyl]-	HTML  PDF
52697-38-8	Acetamide, N-[2-[(2-bromo-4,6-dinitrophenyl)azo]-5-(diethylamino)phenyl]-	HTML  PDF
55281-26-0	Propanenitrile, 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]-	HTML  PDF
55619-18-6	Ethanol, 2,2'-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]imino]bis-, diacetate (ester)	HTML  PDF
72927-94-7	Benzenamine, 4-[(2,6-dichloro-4-nitrophenyl)azo]-N-(4-nitrophenyl)-	HTML  PDF
75-12-7	Formamide	HTML  PDF
79-06-1	2-Propenamide	HTML  PDF
79-07-2	Acetamide, 2-chloro-	HTML  PDF
115-96-8	Ethanol, 2-chloro-, phosphate (3:1)	HTML  PDF
126-73-8	Phosphoric acid tributyl ester	HTML  PDF
127-19-5	Acetamide, N,N-dimethyl-	HTML  PDF

Substances in Batch 6 of the Challenge

(More information on Batch 6)

Batch 6 final screening assessment reports published in November 2009

CAS RN	Name	Final Screening Assessment
85-86-9	Solvent Red 23	HTML
100-44-7	Benzene, (chloromethyl)-	HTML
1229-55-6	2-Naphthalenol, 1-[(2-methoxyphenyl)azo]-	HTML
1937-37-7	2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt	HTML
3118-97-6	2-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]-	HTML
6250-23-3	Phenol, 4-[[4-(phenylazo)phenyl]azo]-	HTML
6253-10-7	Phenol, 4-[[4-(phenylazo)-1-naphthalenyl]azo]-	HTML
6300-37-4	Phenol, 2-methyl-4-[[4-(phenylazo)phenyl]azo]-	HTML
21811-64-3	Phenol, 4,4'-[1,4-phenylenebis(azo)]bis-	HTML
93805-00-6	Phenol, 4-[[2-methoxy-4-[(2-methoxyphenyl)azo]-5-methylphenyl]azo]-	HTML
74-87-3	Methane, chloro-	HTML
107-05-1	1-Propene, 3-chloro-	HTML
117-82-8	1,2-Benzenedicarboxylic acid, bis(2-methoxyethyl) ester	HTML
68515-42-4	1,2-Benzenedicarboxylic acid, di-C7-11-branched and linear alkyl esters	HTML
6535-42-8	1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]-	HTML
6358-57-2	Acid Red 111	HTML
7147-42-4	BPAOPB	HTML
19800-42-1	Disperse Orange 29	HTML

Substances in Batch 7 of the Challenge

(More information on Batch 7)

Batch 7 final screening assessment reports published in March 2010  

CAS RN	Name	Final Screening Assessment
1325-86-6	1-Naphthalenemethanol, α,α-bis[4-(diethylamino)phenyl]-4-(ethylamino)-	HTML  PDF
6407-74-5	3H-Pyrazol-3-one, 4-[(2-chlorophenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-	HTML  PDF
6407-78-9	3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-	HTML  PDF
6786-83-0	1-Naphthalenemethanol, α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)-	HTML  PDF
16586-42-8	Propanenitrile, 3-[ethyl[3-methyl-4-[(6-nitro-2-benzothiazolyl)azo]phenyl]amino]-	HTML  PDF
25176-89-0	Propanenitrile, 3-[[4-[(5,6-dichloro-2-benzothiazolyl)azo]phenyl]ethylamino]-	HTML  PDF
29398-96-7	[1,1'-Biphenyl]-4,4'-diamine, N,N'-bis(2,4-dinitrophenyl)-3,3'-dimethoxy-	HTML  PDF
72968-82-2	Methanesulfonamide, N-[2-[(2,6-dicyano-4-methylphenyl)azo]-5-(dipropylamino)phenyl]-	HTML  PDF
106276-78-2	Benzoic acid, 2,3,4,5-tetrachloro-6-cyano-, methyl ester, reaction products with 4-[(4-aminophenyl)azo]-3-methylbenzenamine and sodium methoxide	HTML  PDF
78-59-1	2-Cyclohexen-1-one, 3,5,5-trimethyl-	HTML  PDF
90-94-8	Methanone, bis[4-(dimethylamino)phenyl]-	HTML  PDF
96-29-7	2-Butanone, oxime	HTML  PDF
123-91-1	1,4-Dioxane	HTML  PDF
2426-08-6	Oxirane, (butoxymethyl)-	HTML  PDF

Substances in Batch 8 of the Challenge

(More information on Batch 8)

Batch 8 final screening assessment reports published in July 2010

CAS RN	Name	Final Screening Assessment
626-39-1	Benzene, 1,3,5-tribromo-	HTML
944-61-6	Benzene, 1,2,3,4-tetrachloro-5,6-dimethoxy-	HTML
2215-35-2	Zinc, bis[O,O-bis(1,3-dimethylbutyl) phosphorodithioato-S,S']-, (T-4)-	HTML
17540-75-9	Phenol, 2,6-bis(1,1-dimethylethyl)-4-(1-methylpropyl)-	HTML
65140-91-2	PADMEC	HTML
68551-44-0	Fatty acids, C6-19-branched, zinc salts	HTML
70331-94-1	Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, (1,2-dioxo-1,2-ethanediyl)bis(imino-2,1-ethanediyl) ester	HTML
72102-55-7	Methylium, [4-(dimethylamino)phenyl]bis[4-(ethylamino)-3-methylphenyl]-, acetate	HTML
75768-65-9	Phosphonium, triphenyl(phenylmethyl)-, salt with 4,4 -[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis[phenol] (1:1)	HTML
75-52-5	Methane, nitro-	HTML
79-46-9	Propane, 2-nitro-	HTML
88-72-2	Benzene, 1-methyl-2-nitro-	HTML
139-13-9	Glycine, N,N-bis(carboxymethyl)-	HTML
25013-16-5	Phenol, (1,1-dimethylethyl)-4-methoxy-	HTML

Substances in Batch 9 of the Challenge

(More information on Batch 9)

Batch 9 final screening assessment reports published in September 2010

CAS RN	Name	Final Screening Assessment
475-71-8	Benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione	HTML
509-34-2	Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(diethylamino)-	HTML
1326-05-2	Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, lead salt	HTML
2134-15-8	Benzoic acid, 2,3,4,5-tetrachloro-6-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-	HTML
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-	HTML
7328-97-4	Oxirane, 2,2' ,2'' ,2''' -[1,2-ethanediylidenetetrakis(4,1-phenyleneoxymethylene)]tetrakis-	HTML
14295-43-3	Benzo[b]thiophen-3(2H)-one, 4,7-dichloro-2-(4,7-dichloro-3-oxobenzo[b]thien-2(3H)-ylidene)-	HTML
38465-55-3	Nickel, bis[1-[4-(dimethylamino)phenyl]-2-phenyl-1,2-ethenedithiolato(2-)-S,S']-	HTML
41556-26-7	Decanedioic acid, bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester	HTML
58161-93-6	Benzoic acid, 4-[1-[[(2,4-dichlorophenyl)amino]carbonyl]-3,3-dimethyl-2-oxobutoxy]-	HTML
64338-16-5	7-Oxa-3,20-diazadispiro[5.1.11.2]heneicosan-21-one, 2,2,4,4-tetramethyl-	HTML
71032-95-6	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)	HTML
88-12-0	2-Pyrrolidinone, 1-ethenyl-	HTML
93-15-2	Benzene, 1,2-dimethoxy-4-(2-propenyl)-	HTML
1309-64-4	Antimony trioxide	HTML
1314-62-1	Vanadium pentoxide	HTML
7758-01-2	Potassium bromate	HTML

Substances in Batch 10 of the Challenge

(More information on Batch 10)

Batch 10 final screening assessment reports published in January 2011

CAS RN	Name	Final Screening Assessment
302-01-2	Hydrazine	HTML
330-54-1	Urea, N'-(3,4-dichlorophenyl)-N,N-dimethyl-	HTML
7440-48-4	Cobalt	HTML
7646-79-9	Cobalt chloride	HTML
10124-43-3	Sulfuric acid, cobalt(2+) salt (1:1)	HTML
10393-49-4	Sulfuric acid. Cobalt salt	HTML
42739-61-7	Nickel, bis[2,3-bis(hydroxyimino)-N-(2-methoxyphenyl)butanamidato]-	HTML
64365-17-9	Resin acids and Rosin acids, hydrogenated, esters with pentaerythritol	HTML
65997-06-0	Rosin, hydrogenated	HTML
65997-13-9	Resin acids and Rosin acids, hydrogenated, esters with glycerol	HTML
68648-53-3	Resin acids and Rosin acids, hydrogenated, esters with triethylene glycol	HTML
85702-90-5	2,9,11,13-Tetraazanonadecanethioic acid, 19-isocyanato-11-(6-isocyanatohexyl)-10,12-dioxo-, S-[3-(trimethoxysilyl)propyl] ester	HTML
124751-15-1	Resin acids and Rosin acids, fumarated, barium salts	HTML

Substances in Batch 11 of the Challenge

(More information on Batch 11)

Batch 11 final screening assessment reports published in September 2011

CAS RN	Name	Final Screening Assessment
98-01-1	Furfural	HTML
103-23-1	DEHA	HTML
107-22-2	Ethanedial	HTML
140-88-5	Ethyl acrylate	HTML
149-57-5	2-EHA	HTML
603-33-8	Triphenylbismuth	HTML
10448-09-6	Phenyl-D4	HTML
40615-36-9	Dimethoxytrityl chloride	HTML
64111-81-5	Trichloro-2-hydroxydiphenyl ether	HTML
68412-48-6	PREPOD	HTML
68478-45-5	BENTAX	HTML
68952-02-3	MVTFS	HTML
68953-84-4	BENPAT	HTML
69430-47-3	MDnM-hydride	HTML
70900-21-9	MHDnMH	HTML
125328-28-1	PMEI	HTML