Benzidine sulphate
benzidine sulfate
CAS: 531-86-2;21136-70-9
Molecular Formula: C12H14N2O4S
Benzidine sulphate - Names and Identifiers
| Name | benzidine sulfate |
| Synonyms | 244-236-4 NSC 148333 BENZIDINE SULFATE Benzidine sulfate benzidine sulfate Benzidine sulphate Benzidine sulphate, GR 4,4'-biphenyldiamine sulfate ρ,ρ′-Diaminodiphenyl sulfate Biphenyl-4,4'-diaminium sulfate ρ,ρ′-Diaminodiphenyldihydrochloride BENZIDINE SULFATE HUMAN CARCINOGEN [1,1'-Biphenyl]-4,4'-Diamine Sulphate ((1,1'-Biphenyl)-4,4'-diyl)diammonium sulphate [[1,1'-biphenyl]-4,4'-diyl]diammonium sulphate |
| CAS | 531-86-2 21136-70-9 |
| EINECS | 208-520-1 |
| InChI | InChI=1/C12H12N2.H2O4S/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10;1-5(2,3)4/h1-8H,13-14H2;(H2,1,2,3,4)/p-2 |
Benzidine sulphate - Physico-chemical Properties
| Molecular Formula | C12H14N2O4S |
| Molar Mass | 282.31 |
| Density | 1.3539 (rough estimate) |
| Boling Point | 358.7°C at 760 mmHg |
| Flash Point | 203.5°C |
| Vapor Presure | 2.5E-05mmHg at 25°C |
| Color | Hair dye |
| Refractive Index | 1.6930 (estimate) |
Benzidine sulphate - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Production method | The nitrobenzene is reduced to hydrogenated azobenzene, which is obtained by rearrangement. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | reference value; (biphenyldiamine) oral-rat LD50: 309 mg/kg; Oral-mouse LD50: 214 mg/kg |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxides and sulfur oxide smoke |
| storage and transportation characteristics | ventilation and low temperature drying; separate from warehouse food raw materials |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-09 20:52:54
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