|
Molecular formula : MW : CAS :
nature : a series of EM acid dyes. Dark blue powder. Water-soluble. Used mainly with silk and wool. From 1-amino-2-naphthol-4-sulfonic acid by diazotization and 1-naphthol-8-sulfonic acid coupling and then for chromium alum derived complex.
Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data". |