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Merck
CN

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%
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grade

technical grade

Quality Level

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.


pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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S Lepke et al.
The Journal of physiology, 328, 27-48 (1982-07-01)
1. Dansylation of the red cell membrane produces inverse effects on SO(4) (2-) and Cl(-) equilibrium exchange. The former is enhanced by several orders of magnitude (Legrum, Fasold & Passow, 1980), the latter is inhibited. Both effects are potentiated after
A K Singh et al.
Kidney international, 48(4), 985-993 (1995-10-01)
Chloride channels are ubiquitously distributed, biophysically varied and functionally diverse. Despite the known contribution of chloride channels to the physiology of various cell types and the pathology of several diseases, high affinity ligands are not available to study these channels.
N Hassanin et al.
Veterinary and human toxicology, 32(6), 536-540 (1990-12-01)
Metabolites of fusarium moniliforme isolates from different types of corn were characterized biologically and chemically. The biological assays included rat feeding, rat dermal tests and inoculation of embryonated eggs. Thin-layer chromatography, gas liquid chromatography, and mass spectrophotometry were used to



Global Trade Item Number

SKUGTIN
462268-100G04061832346380