Amino-G Acid

Name:
Amino-G Acid
Detailed information:

Chemistry name:	2-naphthylamine-6,8-disulfonic acid; 7-amino-1,3-naphthalene-disulfonic acid
M Formula:	C10H5(NH)2(SO3H)2
Properties:
White, crystalline solid. Soluble in water.
Derivation:
(1) Form G acid by heating sodium salt with ammonia and sodium bisulfite solution in an autoclave under pressure. (2) Sulfonation by β-naphthylamine.
Use:
Azo dye intermediate.