Intermediate
4-Amino-3-hydroxy-1-naphthalenesulfonic acid
Product name:1-amino-2-naphthol-4-sulfonic acid
Molecular formula:C10H8NO4S
Molecular weight:238.2404
Structural formula:
Chemical Abstracts: 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
CAS number:[116-63-2]
Nature :The finished product is light purple gray paste, Insoluble in cold water, ethanol, ethyl ether, Soluble in hot water. Product would be oxidized in the air,then the Appearance into a red rose with the nature of the aromatic sulfonic acid and aromatic amine.
Purpose:Used for making acid mordant dyes and acid complexing dye
Quality index
Appearance:Gray paste
Content:≥35%
Swimming ion:≤6%