Product Description
Direct Black 19 Dyes belong to the category of Dyes having CAS number 6428-31-5. The synonyms of Direct Black 19 Dyes are Direct Fast Black, Direct Fast Black FF, Direct Black L-3BQ, Direct Fast Black G, Pergasol Black G. The molecular weight of Direct Black 19 Dyes is 839.77 g/mol and the molecular formula is C34H27N13Na2O7S2. The colour index number is 35255. The physical appearance of Direct Black 19 Dyes is Black.