Acid Black 94
Name:C.I.Acid Black 94,C.I.30336
Molecular Structure: trisazo class
Molecular Formula:C41H29N8Na3O11S3
Molecular Weight: 974.88
CAS Registry Number:6358-80-1
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and the above the products of coupling, and then in alkaline conditions and 3-(O-toluidino)phenol coupling.
Properties and Applications: blue and black. Blu-ray black powder, soluble in water. The strong sulfuric acid for dark purple. This product used for wool, silk dyeing and printing, also can be used for leather color.
List of Suppliers:
Acid Black B,Acid Black NT
Acid Black B ( Multicrom SA )
Apollo Acid Black GRL( Taiheung Corp )
Coriacid Black [B] (Classic Dyestuffs Inc)
Daedo Acid Black GRL ( Daedo Industrial Co. Ltd. )
Leather Black B( Anilinas Americanas Versanil SRL )
Multacid Black B( Multicrom SA )
Multicuer Black B( Multicrom SA )
Rifa Acid Black GRL(Rifa Industrial Co Ltd)