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2,4-Diaminobenzenesulfonic Acid

2,4-Diaminobenzenesulfonic Acid / CAS : 88-63-1

Appearance Light brown crystal UN 1759
HS 29215190 DG Class 8
Synonyms O-Aminosulfanilic Acid; 2,4-Phenylenediamine-1-Sulfonic Acid; 1,3-Diaminobenzene-4-Sulfonic Acid; 1,3-Diamino-4-Sulfo-Benzene; Acetyl Mpdsa; M-Phenylenediaminesulfonic Acid; 1,3-Phenylenediamine-4-Sulfonic Acid; 1,3-Diaminobenzene-6-Sulfonic Acid; M-Phenylenediamine-4-Sulfonic Acid; 1,3-Diaminobenzenesulfonic Acid; 3-Phenylenediamino-4-Sulfonic Acid; 1,3-Phenylendiamin-4-Sulfonsure; 3-Amino-4-Sulfoaniline; META Phenylene Diamine 4 Sulfonic ACID; Meta Phenylene Diamine 4- Sulphonic Acid
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Properties

Summary

Formula
C6H8N2O3S
Molecular Mass
188.20400
Exact Mass
188.02600
PSA
114.79000
Logp
2.34090
IUPAC
2,4-diaminobenzenesulfonic acid
SMILES
C1=CC(=C(C=C1N)N)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Water Treatment Chemicals
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
260-266 °C
Density
1.611 g/cm3
Boiling Point
500°C
Appearance
Light brown crystal

Export information

HS Code
29215190
Export Rebate
13%
UN No.
1759
DG-Class
8
Risk Code
R36/38-43-36/37/38
Safety Label
Xi

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