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2-Anisidine-4-Sulfonic Acid

2-Anisidine-4-Sulfonic Acid / CAS : 98-42-0

Appearance White crystal, without irritating odor, the product is soluble in sodium carbonate, slightly soluble in water, and soluble in ethanol. It is an intermediate of reactive dyes. UN 2585
HS 29222990 DG Class 8
Synonyms Benzenesulfonic Acid, 3-Amino-4-Methoxyl-; 3-Amino-4-Methoxybenzenesulfonic Acid; 4-Methoxymetanilic Acid; OA4SA; 2-Aminoanisole-4-Sulfonic Acid; 2-Methoxyaniline-5-Sulfonic Acid; Otava-Bb Bb7020126832; O-Anisidine-4-Sulfonic Acid
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Properties

Summary

Formula
C7H9NO4S
Molecular Mass
203.22
Exact Mass
203.02500
PSA
98.00000
Logp
2.18610
IUPAC
3-amino-4-methoxybenzenesulfonic acid
SMILES
COC1=C(C=C(C=C1)S(=O)(=O)O)N

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
305 °C (dec.)(lit.)
Density
1.4540 (rough estimate)
Appearance
White crystal, without irritating odor, the product is soluble in sodium carbonate, slightly soluble in water, and soluble in ethanol. It is an intermediate of reactive dyes.

Export information

HS Code
29222990
Export Rebate
13%
UN No.
2585
DG-Class
8
Risk Code
34-43-36/37/38
Safety Label
C,Xi

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