Direct Black 1
Name:C.I.Direct Black 1,C.I.31595
Molecular Structure: trisazo class
Molecular Formula:C22H14N6Na2O9S2
Molecular Weight: 784.73
CAS Registry Number:8003-68-7
Manufacturing Methods : 4-Nitrobenzenamine diazo, and 2-Amino-4-methylanisole matches, will the nitro reduction for amino, product double nitriding, first and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: black.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 5 | 3 | 1 | 1-2 |
List of Suppliers:
Zambesi Black F( Aktiengesellschaft für Anilin-Fabrikation )