Acid Black 242
Name:C.I.Acid Black 242,C.I.30028
Molecular Structure: trisazo class
C.I.Acid Black 242,C.I.30028,CAS 152521-111-4,905.81,C34H25N11Na2O11S3,Acid Black NB-T,Acid Black AB,Lecotan Black GF
Molecular Formula:C34H25N11Na2O11S3
Molecular Weight: 905.81
CAS Registry Number:152521-111-4
Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding.sulfonylurea aniline, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, 4-Nitrobenzenamine diazo, in acid conditions and the above the products of coupling, and Benzene-1,3-diamine coupled.
Properties and Applications: black. Mainly used for Fur shading.
| Standard | Light Fastness(Xenon lamp) | Soaping | Persperation Fastness(Alkali) | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 4 | 2 | |||||
List of Suppliers:
Acid Black NB-T Shangyu Guangming Chemical Co.,Ltd.
Acid Black AB ( Associated Intermediates & Chemicals )
Coriamine Black NB-GB ( Ciech SA )
Lecotan Black 505 ( Jinwoong Industrial Co Ltd )
Lecotan Black GF ( Jinwoong Industrial Co Ltd )
Lecotan Black H hiconc( Jinwoong Industrial Co Ltd )
Lecotan Black T hi conc( Jinwoong Industrial Co Ltd )