CAS 81-11-8 4,4'-Diaminostilbene-2,2'-disulfonic Acid

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Monomers

4,4'-Diaminostilbene-2,2'-disulfonic Acid

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Catalog Number

ACM81118-1

Product Name

4,4'-Diaminostilbene-2,2'-disulfonic Acid

Structure

CAS

81-11-8

Category

Monomers

Description

4,4'-diamino-2,2'-stilbenedisulfonic acid appears as odorless yellowish microscopic needles or cream-colored powder. pH approximately 4.3 at 30 g/L water (suspension). (NTP, 1992);DryPowder

IUPAC Name

5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid

Molecular Weight

370.4g/mol

Molecular Formula

C14H14N2O6S2

Canonical SMILES

C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O

InChI

InChI=1S/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)/b2-1+

InChI Key

REJHVSOVQBJEBF-OWOJBTEDSA-N

Melting Point

greater than 617 °F (NTP, 1992)

Solubility

less than 1 mg/mL at 73° F (NTP, 1992);VERY SLIGHTLY SOL IN WATER;SOL IN ALCOHOL & ETHER

Color/Form

YELLOW NEEDLES

Complexity

606

Covalently-Bonded Unit Count

EC Number

201-325-2;246-937-0

Exact Mass

370.029329g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

4,4'-diacetamido-2,2'-stilbene disulfonate;4,4-diaminostilbene-2,2'-disulfonic acid;amsonic acid;amsonic acid, disodium salt;amsonic acid, sodium salt;DADS;DAS;DASD;DASSA;DSD acid

Monoisotopic Mass

370.029329g/mol

NSC Number

163

Other Experimental

FORMS SPARINGLY WATER SOL CRYSTALLINE SALTS WITH MANY BISQUATERNARY AMMONIUM BASES

Rotatable Bond Count

UNII

H68088WVJL

XLogP3

0.3

MSDS