462268
4,4′-Diamino-2,2′-stilbenedisulfonic acid
technical grade, 85%
Synonym(s):
Amsonic acid
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About This Item
Empirical Formula (Hill Notation):
C14H14N2O6S2
CAS Number:
Molecular Weight:
370.40
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
201-325-2
MDL number:
Assay:
85%
grade
technical grade
Quality Segment
assay
85%
mp
>300 °C (lit.)
functional group
sulfonic acid
SMILES string
Nc1ccc(\C=C\c2ccc(N)cc2S(O)(=O)=O)c(c1)S(O)(=O)=O
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
General description
Disodium salt of 4,4′-diamino-2,2′-stilbenedisulfonic acid may be used in the synthesis of dyes and optical brighteners or fluorescent whitening agents.
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