4,4'-Diamino-2,2'-stilbenedisulfonic acid
**** Identification ****
Name: 4,4'-Diamino-2,2'-stilbenedisulfonic acid
Synonyms: 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid
Molecular Structure: 
Molecular Formula: C14H14N2O6S2
Molecular Weight: 370.39
CAS Number: 81-11-8
EINECS: 201-325-2
**** Properties ****
Melting point: >325°C
Water solubility: <0.1 g/100 mL at 23°C
**** Safety Data ****
Hazard Symbols: 
C Details
Risk Codes: R34 Details
Safety Description: S22;S26;S36/37/39;S45 Details
Transport Information: UN 2583
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