Product name: 3,3'-dichlorobenzidine dihydrochloride Molecular weight: 326.05 Molecular Formula: C12H10C12N2 2HCI Specs: Appearance: white pale grey powder Purity (on wet basis): 92.74% min Free base: 72% min Free acid value: 20-23% Application: Usedtoproduce dyestuffs, pigments and print inks. Packing: In 25kgs cardboard drum or 25kgs paper bag.