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4,4-Dinitrostilbene-2,2-Disulfonic Acid

4,4-Dinitrostilbene-2,2-Disulfonic acid / CAS : 128-42-7

Appearance Orange powder UN 2920
HS 29215900 DG Class 8
Synonyms 6,6'-(Ethene-1,2-Diyl)Bis(3-Nitrobenzenesulfonic Acid); 4,4‘-Dinitro-2,2‘-Stilbenedisulfonic Acid; 128-42-7; Dinitrostilbenedisulfonic Acid; 4,4'-Dinitrostilbene-2,2'-Disulfonic Acid; DNDS; 4,4'-Dinitrostilbene-2,2'-Disulfonic Acid; 4,4'-Dinitrostilbene-2,2'-Disulphonic Acid; 4,4'-Dinitro-2,2'-Stilbenedisulfonic ACID
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Overview

Properties

Summary

Formula
C14H10N2O10S2
Molecular Mass
430.36700
Exact Mass
429.97800
PSA
217.14000
Logp
5.37480
IUPAC
5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])S(=O)(=O)O)/C=C/C2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
266ºC
Density
1.779g/cm3
Appearance
Orange powder
Acidity and Basicity
acidness

Export information

HS Code
29215900
Export Rebate
13%
UN No.
2920
DG-Class
8

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