4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid CAS# 81-11-8

4,4'-Diaminodiphenylethylene-2,2'-disulfonic acidInquire Now
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Basic information

CAS

81-11-8

EINECS

201-325-2

Molecular Formula

C₁₄H₁₄N₂O₆S₂

Molecular Weight

370.4008

English 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

Physical and Chemical Properties

Density

1.662g/cm³

Refractive index

1.726

Melting point

>325℃

Water Solubility

<0.1 g/100 mL at 23℃

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