Place of Origin : Shijiazhuang,China

Name:2-naphthylamine-4,8-disulfonic acid
CAS No.:131-27-1
Appearance: white crystal,Industrial products for the gray-white or Sky Blue Paste
Molecular formula:C10H9NO6S2
Molecular weight:303.3116
Solubility:slight soluble in water, Insoluble in concentrated sulfuric acid, In a sodium hydroxide solution, it fluoresces blue.
Application: For the preparation of reactive dyes and direct dyes, such as reactive yellow X-R, active gold, active brown,Direct fast blue B2Rl, etc.
Package and transportatio