Name:C.I.Acid Black 210,C.I.300285
Molecular Structure: trisazo class
C.I.Acid Black 210,C.I.300285,CAS 99576-15-5,938.02,C34H25K2N11O11S3,Acid Black BNG,Acid Black NT,Weak Acid Black 3G,Weak Acid Black NT
Molecular Formula:C34H25K2N11O11S3
Molecular Weight: 938.02
CAS Registry Number:99576-15-5
Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding.sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, 4-Nitrobenzenamine diazo, and the above the products in alkaline conditions coupled, its product again with Benzene-1,3-diamine coupling between.
Properties and Applications: black. Suitable for wool, silk, polyamide fiber dyeing and printing, also suitable for leather color
