H Acid

Name:
H Acid
Detailed information:

Chemistry name:	1-amino-8-napthol-3,6-disulfonic acid
Properties:
Gray powder. Soluble in water, alcohol, and ether.
Derivation:
Fusion of 1-naphthylamine-3,6,8-trisulfonic acid (Koch acid) with 30% sodium hydroxide solution at 180C.
Use:
Azo dye intermediate.