Chemistry name: | 2-naphthylamine-4,8-disulfonic acid |
M Formula: | C10H5(NH)2(SO3H)2 |
Properties: | |
White, crystalline solid. Slightly soluble in water. | |
Derivation: | |
Reduction of 2-nitronaphthalene-4,8-disulfonic acid. The sodium salt is recrystallized from water. | |
Use: | |
Azo dye intermediate. | |