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4-Nitro-4'-aminostilbene-2,2'-disulfonic acid Structure

4-Nitro-4'-aminostilbene-2,2'-disulfonic acid

Chemical Properties

Melting point >300°C
Density  1.5746 (rough estimate)
refractive index  1.6900 (estimate)
pka -1.31±0.45(Predicted)
Water Solubility  Soluble in water.
CAS DataBase Reference 119-72-2(CAS DataBase Reference)
FDA UNII P8NM345BG9
EPA Substance Registry System Benzenesulfonic acid, 5-amino-2-[2-(4-nitro-2-sulfophenyl)ethenyl]- (119-72-2)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H319
Precautionary statements P264-P280-P305+P351+P338-P337+P313P
Risk Statements  20/21/22-36/37/38
Safety Statements  26-36/37/39
RTECS  WJ6100000
TSCA  Yes
NFPA 704:
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