Direct Fast Black GF Direct Black 22

Product Name: Direct Black 22C.I. No.: 35435 CAS No.: 6473-13-8 Molecular Formula: C44H32N13Na3O11S3Molecular Weight: 1083.97 Relative Name:Direct Fast Black GF;Direct Black L-2BG;Aizen Primula Black ACH;Benzanil Fast Black 2G;Benzonerol A;Benzonerol AFA extra;Carbide Fast Black G;Chlorazol Black GF;Chrome Leather Black GA;Cuprofix Black NF;Diazol Fast Black J;Diphenyl Black FG;Direct Black 22;Direct Fast Black B;Direct Fast Black C;Direct Fast Black NS;EMPA 132;Enianerol CA;ErieFast Black G;Everdirect Black VSF;Fast Black VSF 600;Formal Fast Black B;Formal Fast Black GG;FormaldehydeFast Black G;Formalide Black GR;Hispamin Fast Dischargeable Black CA;Kayarus Black B;Neraldolo DA;Pharmaform;Plutoform Black CD;Pontamine Fast BlackPGR;Pyrazol Black NF;Solar Black 6NBI;Direct Black 22 Dyeing Fastness(grade)  Direct Direct Black 22Dyeing depth %2Insolubles %0.15Light Fastness4-6Washing Fatness2Rubbing fastness(dry)4Rubbing fastness(wet)3Direct Black 22 Properties and Applications:green and black. Blue gray powder. Soluble in water for violet black. The strong sulfuric acid for violet black, dilute black light after brown precipitation; In nitric acid solution for the red light brown in, precipitation. The dye solution to join strong hydrochloric acid have brown light black precipitation; Add thick sodium hydroxide solution for dark blue light red. Applications:Mainly used for cotton, viscose, wool/stick,nylon/rayon blended fabric dyeing and printing, also used in leather and paper dyeing./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1