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Uses: intermediate of azo-dyestuffs.
Annual output: 1500t/y.
Packing: 25kg net plastic woven bag or in any packing according to customers requirement.
Appearance: grayish white crystalline powder, light-sensitive, changing colour to pink on the air, easy soluble in water, insoluble in ethanol.
Amino compound (change to the content of sodium 1-naphthylamine-4-sulfonate) , Na-salt: 74% min
1-naphthylamine: 0.02% max