CAS No: 81-11-8, Chemical Name: 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid
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81-11-8 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid

product Name 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid
Synonyms 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid; 4,4'-Diaminostilbene-2,2'-Disulfonic Acid; 2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid); 4,4'-Diamino-2,2'-stilbenedisulfonic acid
Molecular Formula C14H14N2O6S2
Molecular Weight 370.4008
InChI InChI=1/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)
CAS Registry Number 81-11-8
EINECS 201-325-2
Molecular Structure 81-11-8 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid
Density 1.662g/cm3
Melting point >325℃
Refractive index 1.726
Water solubility <0.1 g/100 mL at 23℃
Hazard Symbols  C:Corrosive;
Risk Codes R34:;
Safety Description S22:;
S26:;
S36/37/39:;
S45:;