Sodium Naphthionate


Sodium Naphthionate

Product name: Sodium Naphthionate

Chemical name: Sodium 4-amino-1-naphthalenesulfonate;

CAS: 130-13-2

Synonys: 1 4 acid sodum

MW: 245.23

MF: C10H8NNaO3S

Use: It is mainly used as intermediate of  dyes;

Specifications of Sodium Naphthionate:

Items Standards Results
Appearance grey white solid Comply
Content 74% 74%
Moisture 0.5% 0.35%
Ash 0.5% 0.38%
pH 5-8 6

Introductions of Sodium Naphthionate:

White or gray white flake crystal. Soluble in water, soluble in 95% ethanol, insoluble in ether, a small amount soluble in concentrated caustic aqueous solution and ethanol solution. Use: it is used to prepare acid, direct dye and edible red pigment, and it is also used as antidote for nitrite and iodine poisoning.

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