Acid Black 232
Name:C.I.Acid Black 232,C.I.30334
Molecular Structure: trisazo class
C.I.Acid Black 232,C.I.30334,838.82,C38H32N8Na2O8S2,Acid Black BRL,Acid Black BRS
Molecular Formula:C38H32N8Na2O8S2
Molecular Weight: 838.82
CAS Registry Number:
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, aniline diazo, in alkaline conditions and the above the products of coupling, and 3-(Diethylamino)phenol coupling.
Properties and Applications: black. Mainly used for the polyamide fiber dyeing and printing
| Standard(Polyamide) | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 4 | 4-5 | 4 | 4-5 | 4-5 | ||
List of Suppliers:
Apollo Acid Black BRL( Taiheung Corp )
Daedo Acid Black BRS( Daedo Industrial Co. Ltd. )
Rifa Acid Black BRL(Rifa Industrial Co Ltd)