China Dye Basic Basic Dye

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;PyraMeter for Liquid & Gas zol 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 19Dyeing Fastness(grade)
Direct Direct Black 19Dyeing depth %2Insolubles %0.15Light Fastness3Washing Fatness2Rubbing fastness(dry)4Rubbing fastness(wet)3
Direct Black 19 Properties and Applications:
Fire Control green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ºC), 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.
Applications:
Used in viscIntegrated Circuit ose of dyeing and printing. In the cotton knitweaSecurity Guard r, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics canMachine Hardware be used. Can also be used in leather, paper and electrochemical aluminum color.