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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Structure

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid

Chemical Properties

Melting point 244 °C(lit.)
Density  1.527±0.06 g/cm3(Predicted)
vapor pressure  0Pa at 25℃
storage temp.  2-8°C(protect from light)
form  Solid
pka -1.24±0.50(Predicted)
InChIKey VKURVCNKVWKGLX-UHFFFAOYSA-N
Dissociation constant 0 at 33℃
CAS DataBase Reference 119-70-0(CAS DataBase Reference)
FDA UNII 7B2AG5D9PQ
EPA Substance Registry System Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]- (119-70-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H335-H319-H315
Precautionary statements P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
WGK Germany  3
NFPA 704:
1
3 0

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