Direct Brown 215
Name:C.I.Direct Brown 215,C.I.35720
Molecular Structure: Multi-azo class
Molecular Formula:C41H26N10Na4O13S3
Molecular Weight: 1054.86
CAS Registry Number:83606-72-8
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions in turn and 2-Hydroxybenzoic acid and where did 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, product diazo again, and 4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.
Properties and Applications: dark brown.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 4-5 | 2 | 2-3 | 3 | 2-3 |
List of Suppliers:
Diamine Dark Brown G( Fabbrica Lombarda Colori Anilina )