dye|World dye variety

Name:C.I.Direct Yellow 12,C.I.24895

Molecular Structure: Double azo class

Molecular Formula:C₃₀H₂₆N₄Na₂O₈S₂

Molecular Weight: 680.66

CAS Registry Number:2870-32-8

Manufacturing Methods : : 1,2-Bis(4-amino-2-sulfophenyl)ethene  double nitriding, and phenol (2 Moore) coupling,  then Chloroethane ethylation, the phenol hydroxyl group converted to an ethoxy group.

Properties and Applications: red light yellow. Deep yellow evenly powder. Soluble in water solution for yellow until golden brown, temperature drop the floe dyes have separation, the solubility in water for 30 g/L (80 ℃), and adequate soluble in ethanol (for lemon yellow) and soluble fiber element, slightly soluble in acetone for green light yellow. The strong sulfuric acid to red light purple, diluted to red light blue for purple, precipitation. The dye solution to join strong hydrochloric acid for deep red sauce, precipitation; Add thick sodium hydroxide solution for gold orange, precipitation; Add in 1 0% sodium hydroxide solution a slight change color. 2% of the dye below 15 ℃ in aqueous solution which is glue frozen form, the name frozen yellow. Cellulose fiber of dyeing, the dye absorption rate as well, in 40 ℃ maximum when affinity, discharge performance is very good. Used for dyeing cotton and viscose, to dead cotton has certain covering power, can also be used for cotton or viscose fabric printing, also can be used for silk, wool, PVA, polyamide fiber and its blended fabric dyeing. Can also be used for leather, paper, biological shading, its heavy metal salt can be used for pigment.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	4-5	4	1		1
AATCC	2	2-3	4-5	1		1

List of Suppliers:

Dongguang County Honghao Dyeing Chemical Co.,Ltd

JinZhou Dyestuffs Plant Hebei

ABCOL Direct Yellow 4RA ( Abbey Color Inc. )

ACDI Chrysophenine G 333%(Aakash Chemicals & Dyestuffs Inc)

ACDI Direct Chrysophenine G H/C UIS 333%(Aakash Chemicals & Dyestuffs Inc)

Arid Chrysophenine G 33%( Aashiana Dyestuffs Inc )

Atul Direct Fast Yellow GCH ( Atul Limited )

Bitamine Direct Chrysophenine G( Bharat Texdyes Industries )

Calcomiiie Brill Yellow C Conc (Classic Dyestuffs Inc)

Chrysophenine( Sumitomo Chemical Co. Ltd )

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Chrysophenine G ( Frado )

Chrysophenine G ( Golden Dyes Corpn (India) Pvt Ltd )

Chrysophenine G ( S A des Ets. Steiner )

Chrysophenine G ( Manuel Vilaseca SA )

Chrysophenine G (Chemische Fabriek Triade BV)

Chrysophenine GCH ( Jagson Colorchem Ltd )

Chrysophenine GX (Sinochem Tianjin Imp Exp Corp)

Chrysophenine GX (Sinochem Hebei Imp & Exp Corp)

Chrysophenine GX (Sinochem Jiangsu Wuxi Imp & Exp Corp)

Chrysophenine GX (Sinochem Liaoning Import & Export Corporation)

Chrysophenine GX (Shandong Qing Shun Chemical Co., Ltd.)

Chrysophenine N(Colorom SA)

Chrysphenine GXS(Brighten Colorchem BV)

Concorde Direct Chrysophenine G ( I-HWA Industrial Corp )

Condirect Yellow AB(Concord Commerce Company)

Cryosphenine G(Monarch Dyestuffs Industries)

Crysophenine G H/C(United Chemie)

Crysophinine G( Indo Colchem Ltd )

Dinamine Direct Chrysophenine G(Dintex Dyechem Ltd)

Direct Chrysophenine G( Vipul Dye-Chem Ltd )

Direct Chrysophenine G (Nanjing Chemicals Import and Export Corp)

Direct Chrysophenine G ( Liberty Exports Ltd )

Direct Chrysophenine G ( Global Colors Inc. )

Direct Chrysophenine G( Day-Glo Color Corp. )

Direct Chrysophenine G ( Metrochem Industries Ltd )

Direct Chrysophenine GH (Amar Impex)

Direct Jelly Yellow G ( Shandong Leling Huahong Dyes & Chemicals Co Ltd )

Direct Yellow G l0l(Sinochem Jiangsu I/E Corp.)

Direct Yellow G140 (Sinochem Jiangsu I/E Corp.)

Direct Yellow GX (Sinochem Ningbo Imp & Exp Corp)

Direct Yellow Y(Classic Dyestuffs Inc)

Dycosdirect Chrysophenine GXS(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Dyrect Yellow GK( Albion Colours Ltd)

Dyrite Chrysophenine G Conc (Classic Dyestuffs Inc)

Hariect Fast Yellow GCH ( Bhavi International Ltd )

Hispamin Yellow CRG ( S A Robama )

Kayafect Yellow S (Nippon Kayak u Co Ltd)

Kayaku Chrysophenine(Nippon Kayak u Co Ltd)

Kemanarect Chrysophenine G( Karsandas Mavji )

Kenamide Yellow KG ( Albion Colours Ltd)

Leadirect Chrysophenine G 333% ( Leadertech Colors Inc. )

Mitsui Chrysophenine G ( Mitsui Toatsu Chemicals Ltd )

Mitsui Chrysophenine G No. 400 ( Mitsui Toatsu Chemicals Ltd )

Mitsui Chrysophenine KG( Mitsui Toatsu Chemicals Ltd )

Orco Nylosol Yellow YC( Organic Dyestuffs Corp )

Orcomine Yellow YC 300%( Organic Dyestuffs Corp )

Pamanil Yellow G-12 ( Pyosa Pigments )

Permalite Pale Yellow GB ( Standard Dyes )

Permalite Yellow Y ( Standard Dyes )

Pyrazol Yellow C ( Clariant GmbH )

Ratna Chiysophenine G( Ram Ratna International )

Relon Chrysophenine ( Sintofarm SA )

Romexal Yellow C ( Sintofarm SA )

Shikiso Chrysophenine G ( Kaseihin Kogyo Kyokai )

Simrect Yellow 24860 (Simpsons (UK) Ltd)

Tertrodirect Yellow CG (Yorkshire Group pic)

Vicorect Chrisophenyne(Victory Colour Chem Industries)

Victarect Chrisophenyne ( Victordyes (India) )

Vopsider Chrysophenine ( Sintofarm SA )

Yellow G ( Zhechem Colours Co Ltd )

Yellow G(Hangzhou Dikai Chemical Co Ltd)