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2-Amino-1,4-Benzenedisulfonic Acid

2-Amino-1,4-Benzenedisulfonic Acid / CAS : 98-44-2

Appearance White to almost white solid UN 0
HS 29214200 DG Class 0
Synonyms ALDS; Aniline-2,5-DSA; 2-Aminobenzene-1,4-Disulfonic acid; 1,4-Benzenedisulfonic Acid, 2-Amino-; 2-Amino-Benzene-1,4-Disulfonicacid; 2-Amino-P-Benzenedislfonicacid; 2-Amino-P-Benzenedisulfonicaci; 4-Benzenedisulfonicacid,2-Amino-1; Kyselinaanilin-2,5-Disulfonova; 2-Aminobenzene-1,4-Disulphonic Acid
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Properties

Summary

Formula
C6H7NO6S2
Molecular Mass
253.25
Exact Mass
252.97100
PSA
151.52000
Logp
2.50500
IUPAC
2-aminobenzene-1,4-disulfonic acid
SMILES
C1=CC(=C(C=C1S(=O)(=O)O)N)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
>300°C
Density
1.569 (estimate)
Boiling Point
497.5℃[at 101 325 Pa]
Appearance
White to almost white solid

Export information

HS Code
29214200
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
36/37/38-43

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