Name | 4-Aminoazobenzene-3,4'-disulfonic acid |
Synonyms | 4-amino-3,4'-disulfoazobenzene 4-amino-3,4'-disulfoazobenzene 4-aminoazobenzene-3,4'-disulfonic 4-amino-azobenzene-4'-disulfonicacid P-AMINOAZOBENZENE-3,4'-DISULFONIC ACID 4-Aminoazobenzene-3,4'-disulfonic acid P-Aminoazobenzene-3,4'-disulfonic acid PARA AMINO AZOBENZENE 3,4 DISULFONIC ACID Para amino azobenzene-3,4-disulfonic acid 4-(4-amino-3-sulfophenylazo)-benzenesulfonicaci 2-amino-5-[(4-sulfophenyl)azo]-benzenesulfonicaci 2-amino-5-((4-sulfophenyl)azo)-benzenesulfonicaci 2-amino-5-(4-sulfophenyl)azo-benzenesulfonic acid 2-amino-5-(4-sulfophenyl)diazenylbenzenesulfonic acid 2-azanyl-5-(4-sulfophenyl)diazenyl-benzenesulfonic acid 2-amino-5-[(E)-(4-sulfophenyl)diazenyl]benzenesulfonic acid |
CAS | 101-50-8 |
EINECS | 202-947-7 |
InChI | InChI=1/C12H11N3O6S2/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18/h1-7H,13H2,(H,16,17,18)(H,19,20,21) |
Molecular Formula | C12H11N3O6S2 |
Molar Mass | 357.36 |
Density | 1.5733 (rough estimate) |
Boling Point | 611.61℃[at 101 325 Pa] |
Water Solubility | 1000g/L at 25℃ |
Vapor Presure | 0Pa at 25℃ |
pKa | -1.13±0.50(Predicted) |
Refractive Index | 1.6390 (estimate) |
LogP | -0.91 at 25℃ |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
category | toxic substances |
toxicity grade | low toxicity |
Acute toxicity | oral-rat LD50: 14800 mg/kg |
stimulation data | eyes-rabbit 500 mg/24 h severe |
flammability hazard characteristics | flammability; Toxic nitrogen oxide and sulfur oxide fumes from combustion |
storage and transportation characteristics | warehouse ventilation and low temperature drying |
extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |