Product Name
4,4'-Diaminostilbene-2,2'-disulfonic Acid
Category
Monomers; Polymers
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
Covalently-Bonded Unit Count
1
EC Number
201-325-2;246-937-0
Exact Mass
370.029329g/mol
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
Other Experimental
FORMS SPARINGLY WATER SOL CRYSTALLINE SALTS WITH MANY BISQUATERNARY AMMONIUM BASES