China Suppliers > Wenzhou Color Bloom New materials Co., Ltd > Direct Fast Black G
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- Region :China/Zhejiang
- Tel : 86-577-88556683
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- Email :sales@colorbloomdyes.com
- URL :www.colorbloomdyes.com
- Add :No.1616-1617,Lixite E-Commerce Mansion, Huichang Road, Quxi Street, Ouhai District, Wenzhou, Zhejiang Province, China
- Details for Direct Fast Black G
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Direct Fast Black G
Category : Dyestuffs and Pigments/Direct Dyes
CAS NO : 6428-31-5 EC NO : 229-208-1 MF : C34H27N13Na2S2O7 MW : 839.77 Product description : Direct Fast Black G Name:C.I.Direct?Black?19,C.I.35255 Molecular Structure:?Multi-azo class C.I.Direct Black 19,C.I.35255,CAS 6428-31-5,839.77,C34H27N13Na2O7S2,Direct Black L-3BQ,Direct Fast Black,Direct Fast Black FF,Direct Fast Black G,Pergasol Black G Molecular Formula:C34H27N13Na2O7S2 Molecular Weight:?839.77 CAS Registry Number:6428-31-5 1.Properties and Applications:?green?and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ℃), slightly soluble in ethanol and acetone. The strong sulfuric acid in the green light for black, dilute?red?after black precipitation; In nitric acid to dark?brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color. Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 4 3 3-4 2 2 AATCC 4-5 3 3 2-3 2 2.International similar brand Direct Black L-3BQ Direct Fast Black Direct Fast Black FF Direct Fast Black G ABCOL Black Arid Black G 200% Atul Direct Black Baycolor Black B Benzo Fast Black G Black G Columbia Fast Black GRV Condirec Black AN Cutamin Fast Black CR Dinamine Black VL Direct Black G(Chemische Fabriek Triade BV) Synonyms : C.I. 35255;C.I. Direct Black 19;C.I. Direct Black 19 (VAN);C.I. Direct Black 19, disodium salt;Direct Fast Black G;C.I.Direct Black 19;disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate;(3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid;Direct Black G; Molecular Structure : 
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