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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:
81-11-8
Molecular Weight:
370.40
NACRES:
NA.22
PubChem Substance ID:
24869958
UNSPSC Code:
12352100
EC Number:
201-325-2
MDL number:
MFCD00024946
Assay:
85%
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grade

technical grade

Quality Level

100

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
GHS07

signalword

Warning

hcodes

H302

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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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ1816
MKCV5647
MKCX0011
MKCT4094
MKCT4096

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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 Muramatsu et al.
Journal of biomedical materials research, 17(6), 959-971 (1983-11-01)
Microcapsules having different numbers of sulfonic acid groups on their surfaces were prepared by the interfacial polycondensation method. Platelets adhered to these capsules, and the rate and degree of platelet adhesion were found to be remarkable on those microcapsules that
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
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Global Trade Item Number

SKUGTIN
462268-100G04061832346380