Name | 4,4'-diamino[1,1'-biphenyl]-3-sulphonic acid |
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-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 |
CAS | 2051-89-0 |
EINECS | 2181324 |
Molecular Formula | C12H12N2O3S |
Molar Mass | 264.30028 |
Density | 1.3310 (rough estimate) |
Color | Crystals |
Refractive Index | 1.6360 (estimate) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
category | toxic substances |
toxicity grade | high toxicity |
Acute toxicity | Reference range: (p-diaminobenzene) oral-rat LD50: 309 mg/kg; Oral-mouse LD50;214 mg/kg |
flammability hazard characteristics | flammability; Toxic nitrogen oxide and sulfur oxide fumes from combustion |
storage and transportation characteristics | ventilation and low temperature drying; Separate storage |
fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |