Acid Black 234
Name:C.I.Acid Black 234,C.I.30027
Molecular Structure: trisazo class
C.I.Acid Black 234,C.I.30027,CAS 157577-99-6,860.81,C34H26N10Na2O9S3,Weak Acid Black N-BG,Weak Acid Black NB-G,Acid Black 2BNG,Acid Black N-BG,Acid Black NE
Molecular Formula:C34H26N10Na2O9S3
Molecular Weight: 860.81
CAS Registry Number:157577-99-6
Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding,sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, aniline diazo, and the above the products in alkaline conditions coupling, and then Benzene-1,3-diamine coupled.
Properties and Applications: black. Mainly used for wool, silk, cotton and glue dyeing, also can be used for leather dyeing.
List of Suppliers:
Weak Acid Black N-BG,Weak Acid Black NB-G,Acid Black 2BNG,Acid Black N-BG,Acid Black NE
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Jinhua Hanllycome Chemical Co., Ltd.
Shangyu Guangming Chemical Co.,Ltd.
Acid Black (Sinochem Liaoning Import & Export Corporation)
Acid Black BA (Amar Impex)
Acid Black NB ( Jagson Colorchem Ltd )
Acid Black NBC ( Associated Intermediates & Chemicals )
Acid Black NB-G (Nanjing Chemicals Import and Export Corp)
Acid Black NB-G (Sinochem Liaoning Import & Export Corporation)
Acid Black NB-G (Fenchem Enterprises Ltd)
Acid Black No 11 ( Exotic Associates )
Acid Black NR( Pooja Dye Chem )
Apollo Leather Black NGRL( Taiheung Corp )
Black 6-GNR(Hangzhou Dikai Chemical Co Ltd)
Black GS (United Chemie)
Chenitan Black FK2 ( Chennai Color Chem Pvt Ltd )
Chenitan Carbon Black( Chennai Color Chem Pvt Ltd )
Colocid Black NB ( Color Synth Industries Ltd )
Coriamine Black NB-G ( Ciech SA )
Dayglo Acid Black 234 200%( Day-Glo Color Corp. )
Dinacid Black NBH (Dintex Dyechem Ltd)
Dynacid Black 2N( Dynamic Industries Ltd )
Eniavel Black BRN( Enia Industries Quimicas S.A. )
Eniavel Black ESB( Enia Industries Quimicas S.A. )
Formo Leather Black ( Formokem (India) Corp. )
Kemacid Black NBG( Karsandas Mavji )
Lecotan Black G hi conc ( Jinwoong Industrial Co Ltd )
Lecotan Black GW( Jinwoong Industrial Co Ltd )
Lecotan Black NBK ( Jinwoong Industrial Co Ltd )
Lecotan Black NGS( Jinwoong Industrial Co Ltd )
Lerui Acid Black N-BG ( Rosi Chemical Co Ltd )
Sandal Acid Black NB-G( Sandal Dyestuff Industries (Pvt) Ltd )
Ushacid Black 234 ( Ushanti Colour Chem Pvt Ltd )
Vicoacid Black 234(Victory Colour Chem Industries)
Vilmacor Black LM ( Vilmax SA )
Vilmacor Black PM( Vilmax SA )