Vat Blue 20 CAS NO.116-71-2

Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Product Name: Vat Blue 20 Product Description: Synonyms:C.I. 59800; C.I. Pigment Blue 65; C.I. Vat Blue 20; Violanthrone; anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione; C.I.Vat Blue 20; Vat Dark Blue BO; Pigment Blue 65; Dibenzanthrone Molecular Formula:C34H16O2 CAS NO.116-71-2 EINECS 204-152-0 Molecular Structure : Dynathrene C.I. Vat CAS No. Characteristics Blue BO Blue 20 116-71-2 Reddish Blue Properties and Applications:  dark blue purple red to purplish blue. Blue black powder. Etanol and insoluble in water, soluble in 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene in red solution (with red fluoresce…