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Direct Black 19 Direct Light Fastness Black L-3BQ


Direct Black 19 Direct Light Fastness Black L-3BQ picture HANGHZOU EMPEROR CHEMICAL CO,,LTD

web:http://www.chinainterdyes.com
Product Name: Direct Black 19
C.I. No.: 35255
CAS No.: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Relative Name:
Direct Light Fastness Black L-3BQ,Direct Light Fastness Black,Direct Light Fastness G
Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;
Direct Black 19 Physical Properties and light fastness, solubility.
Direct Black 19
Dyeing depth % 2
Insolubles % 0.15
Light Fastness 3
Washing Fatness 2
Rubbing fastness(dry) 4
Rubbing fastness(wet) 3
Direct Black 19 Properties:

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.
Direct Black 19 Applications

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.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
date Added (m.d.y): 03.14.2017 viewed Offer viewed: 461 (hits)
Member Information:
Contact person:
DEMI DAI
Phone:
8613025001672
Location:
China
Type of offer:
Sell
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