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2051-89-0

2051-89-0 Structure

2051-89-0 Structure
IdentificationBack Directory
[Name]

4,4'-diamino[1,1'-biphenyl]-3-sulphonic acid
[CAS]

2051-89-0
[Synonyms]

BENZIDINE-3-SULFONIC ACID
4,4'-Diaminobiphenyl-3-sulfonic acid
4,4'-diamino[1,1'-biphenyl]-3-sulphonic acid
4,4'-Diamino-(1,1'-biphenyl)-3-sulfonic acid
2-amino-5-(4-aminophenyl)benzenesulfonic acid
[1,1'-Biphenyl]-3-sulfonic acid, 4,4'-diamino-
2-azanyl-5-(4-azanylphenyl)benzenesulfonic acid
[EINECS(EC#)]

218-132-4
[Molecular Formula]

C12H12N2O3S
[MDL Number]

MFCD00025341
[MOL File]

2051-89-0.mol
[Molecular Weight]

264.3
Chemical PropertiesBack Directory
[density ]

1.3310 (rough estimate)
[refractive index ]

1.6360 (estimate)
[color ]

Crystals
[EPA Substance Registry System]

[1,1'-Biphenyl]-3-sulfonic acid, 4,4'-diamino- (2051-89-0)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Safety Profile]

Questionable carcinogen withexperimental tumorigenic data. When heated to decomposition it emits very toxic fumesof NOx and SOx.
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