Specifications Cas no : 121-47-1 Chemical name : aniline 3 sulfonic acid Appearance : whitish pink powder Assay by nitrite value : 98.50 % min Isomers(sulfanilicacid) : max 0.5 % Insolubles (alkali) : max 0.1 % Packing : 25 kg bags Uses : intermediate for dyes and opticcal brightening agents
