It can be used as an intermediate for acidic, reactive, and direct dyes
CAS No.
98-42-0
Formula
C7H9NO4S
Molecular Mass
203.22
Exact Mass
203.02500
PSA
98.00000
Logp
2.18610
IUPAC
3-amino-4-methoxybenzenesulfonic acid
Attribute classification
Matter Classification
organic
Category
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.