Sodium 4-amino-1-naphthalenesulfonate [ 130-13-2 ]
- Appearance
- grayish white crystalline powder
Properties:
Liquid form:
Appearance: clear
Color: colorless - brown
USES:
For the preparation of acidic, direct dyes and edible pigment, also do nitrite and iodine poisoning antidote.
Specifications:
Project high standard level specifications
Appearance gray or white crystalline
Purity minimum 75 74
1 - naphthalene amine % highest 0.02 0.02
Water insoluble, % highest 0.1 0.2