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2,5-Diaminobenzenesulfonic Acid

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2,5-Diaminobenzenesulfonic Acid / CAS : 88-45-9

Appearance Violet powder UN 2583
HS 29215190 DG Class 8
Synonyms 1,4-Phenylenediamine-2-Sulphonic Acid; 1,4-Phenylenediamine-3-Sulfonic Acid; Ppdsa; 1,4 Diaminobenzene 2 Sulfonic Acid; 1,4-Diamino-2-Benzenesulfonic Acid; 2,5-Diaminophenyl-1-Sulfonic Acid; 2,5-Diaminobenzene-1-Sulfonic Acid
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Properties

Summary

Formula
C6H8N2O3S
Molecular Mass
188.20400
Exact Mass
188.02600
PSA
114.79000
Logp
2.34090
IUPAC
2,5-diaminobenzenesulfonic acid
SMILES
C1=CC(=C(C=C1N)S(=O)(=O)O)N

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
298-300 °C (dec.)(lit.)
Density
1.611 g/cm3
Boiling Point
500ºC
Flash Point
Not applicable.
Appearance
Violet powder

Export information

HS Code
29215190
Export Rebate
13%
UN No.
2583
DG-Class
8
Risk Code
34-36/37/38
Safety Label
C,Xi

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