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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

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.

Shuanghong 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 )


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