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Acid Yellow 42

Name:C.I.Acid Yellow 42,C.I.22910

Molecular Structure: Double azo class

C.I.Acid Yellow 42,C.I.22910,CAS 6375-55-9,758.69,C32H24N8Na2O8S2,Weak Acid Yellow C-R,Weak Acid Yellow R,Weak Acid Yellow MR,Acid Yellow N-CRS,Acid Yellow R

C.I.Acid Yellow 42,C.I.22910,CAS 6375-55-9,758.69,C32H24N8Na2O8S2,Weak Acid Yellow C-R,Weak Acid Yellow R,Weak Acid Yellow MR,Acid Yellow N-CRS,Acid Yellow R

Molecular Formula:C32H24N8Na2O8S2

Molecular Weight: 758.69

CAS Registry Number:6375-55-9

Manufacturing Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one  (2 Moore) coupled.

Properties and Applications: yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 4-5 5 4-5 4 5 4 5
AATCC 4 4-5 4-5 4-5 1 2-3 4-5 4-5

List of Suppliers:

Weak Acid Yellow C-R,Weak Acid Yellow R,Weak Acid Yellow MR,Acid Yellow N-CRS,Acid Yellow R

Tianjin Yadong Group

Arondyes Chemicals

Hangzhou Baihui Chemical Co.,Ltd.,

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Jinhua Hanllycome Chemical Co., Ltd.

Shuanghong Chemical Co., Ltd.

Ningbo Longxin Fine Chemical Co.,Ltd

Shangyu Guangming Chemical Co.,Ltd.

Acid Fast Yellow R (Colorom SA)

Acid Milling Yellow M( KCA Ltd )

Acid Milling Yellow M ( Pooja Dye Chem )

Acid Milling Yellow M ( Sharda International )

Acid Milling Yellow R ( Cosmonaut. Chemicals )

Acid Yellow MR (Sinochem Liaoning Import & Export Corporation)

Acid Yellow MR (Fenchem Enterprises Ltd)

Acid Yellow No 5( Exotic Associates )

Acid Yellow R ( Joint Stock Company ‘Coioros’ )

Airedale Yellow 3GM(Yorkshire Group pic)

Akacid Yellow R 200% (Aakash Chemicals & Dyestuffs Inc)

Albion Acid Yellow R( Albion Dyestuffs Ltd )

Ambinyl Yellow MR( Thai Ambica Chemicals Co Ltd )

Aminyl Yellow F-MR( Sumitomo Chemical Co. Ltd )

Anadurm Yellow M-G ( Albion Colours Ltd)

Apollo Nylon Fast Yellow M-R ( Taiheung Corp )

Bemacid Yellow GM ( Berncolors-Poughkeepsie Inc )

Best Acid Milling Yellow GR ( Oriental Giant Dyes and Chemical Ind Corp )

Bitacid Milling Yellow RS( Bharat Texdyes Industries )

Chenitan Yellow G( Chennai Color Chem Pvt Ltd )

Concorde Acid Yellow M-GR ( I-HWA Industrial Corp )

Concorde Leather Yellow MR( I-HWA Industrial Corp )

Dermacid Yellow 2R( Chromatourgia Tripoleos SA )

Dinacid Milling Yellow M (Dintex Dyechem Ltd)

Doracid Yellow R 200% ( D&G Dyes Inc. )

Dycosacid Leather Yellow MR (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Dynacid Yellow RS ( Dynamic Industries Ltd )

Eniacid Fast Yellow R( Enia Industries Quimicas S.A. )

Eniacid Yellow Solid R( Enia Industries Quimicas S.A. )

Eniavel Yellow MR( Enia Industries Quimicas S.A. )

Everacid Yellow N-MR(Eveiiight Chemical Industrial Corp)

Formo Acid Yellow 42 ( Formokem (India) Corp. )

Giallo Follone R( European Colour (Pigments) Ltd )

Hangzhou Sunshine Acid Yellow 42 150% ( Hangzhou Sunshine Chemicals Co Ltd )

Haricid Yellow 2G ( Bhavi International Ltd )

Hispacid Milling Yellow SR( S A Robama )

Indacid Yellow A ( Indokem Ltd )

Intrapel Yellow F2R 33%(Classic Dyestuffs Inc)

Kemacid Yellow GRX ( Karsandas Mavji )

Kenanthrol Yellow R( Albion Colours Ltd)

Lecotan Yellow SH ( Jinwoong Industrial Co Ltd )

Lerui Acid Yellow MR( Rosi Chemical Co Ltd )

Midlon Yellow 2R (SBU Pigments and Dyes)

Milling Fast Yellow R( Multicrom SA )

Milling Yellow FG ( Jagson Colorchem Ltd )

Multicuer Yellow BR( Multicrom SA )

Nylomine Yellow CR(Classic Dyestuffs Inc)

Orient Water Yellow 6 ( Orient Chemical Industries )

Permalon Yellow LF-GL ( Standard Dyes )

Phoebe Yellow W-R 150% ( Anhui Fengyang Dyestuffs and Chemicals Co. Ltd. )

Ratna Acid Yellow R ( Ram Ratna International )

Sakolan Yellow KN ( Sivashdky Dye Plant )

Sandolan Milling Yellow N-SH( Clariant GmbH )

Shikiso Acid Fast Yellow MR ( Kaseihin Kogyo Kyokai )

Simacid Yellow 25145( Simpsons (UK) Ltd )

Sinarcid Yellow MR( Sinar Syno Kimia )

Sinolon Yellow MR( Shangyu Big Sunshine Chemical Industry Co Ltd )

Sipofol Yellow R ( SIPO Srl )

Sulfon Yellow R ( S A des Ets. Steiner )

Suminol Milling Yellow MR( Sumitomo Chemical Co. Ltd )

Taiacid Yellow GR-T ( T & T Industries Corp )

Tertracid Milling Yellow R (Yorkshire Group pic)

Tertroxyl Fast Yellow 2R (Yorkshire Group pic)

Triacid Fast Milling Yellow 2R (Chemische Fabriek Triade BV)

Ushacid Yellow 42( Ushanti Colour Chem Pvt Ltd )

VicoacidYellow 42(Victory Colour Chem Industries)

Vopsider Yellow ARL(Colorom SA)

Weak Acid Yellow C-R( Dandong Jinlong Dyestuff Chemical Co Ltd )

Yellow M (United Chemie)

Yellow PMR( Modern Dyestuffs & Pigments Co Ltd )

Yellow R(Hangzhou Dikai Chemical Co Ltd)


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