ChemicalBook Product Catalog Dyes and Pigments dye Direct Dyes DIRECT BLACK 22

DIRECT BLACK 22

DIRECT BLACK 22 Basic information
Product Name:DIRECT BLACK 22
Synonyms:C.1.DirectBlack22(35435);C.I.Directblack22;ChlorazolBlackGF;CuproqixBlackNF;DiazolFastBlackJ;DirectfastblackGF;DirectlightblackGF;PONTAMINE FAST BLACK PGR
CAS:6473-13-8
MF:C44H32N13Na3O11S3
MW:1083.97
EINECS:229-326-3
Product Categories:Organics;Dyes and Pigments
Mol File:6473-13-8.mol
DIRECT BLACK 22 Structure
DIRECT BLACK 22 Chemical Properties
form Powder
color Black
CAS DataBase Reference6473-13-8
EPA Substance Registry SystemC.I. Direct Black 22 (6473-13-8)
Safety Information
MSDS Information
DIRECT BLACK 22 Usage And Synthesis
Chemical Propertiesblack powder
UsesDirect Black 22 is a polyimidazolium salt and an organic dye used in the textile industry. Direct Black 22 is considered a water pollutant, and is removed from wastewater by degradation.
Preparation5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, then double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.
Properties and Applicationsgreen 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. Mainly used for cotton, viscose, wool/stick,nylon/rayon blended fabric dyeing and printing, also used in leather and paper dyeing.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 4 3 3
AATCC 5 4-5 5-6 3 3
Direct Blending Orange D-5R Direct Blending Navy Blue D-R Direct Blending Blue D-RGL DIRECT BLACK 22 Direct Blend Blue Direct Blending Grey D-B DIRECT BLUE D-BGL DIRECT VIOLET 66 Direct Blend Rubine D-BLL Direct Blending Brilliant Yellow D-GL DIRECT RED D-FR Direct Blending Brown D-RS Direct Blending Black D-RSN DIRECT BLACK 22 4-(PHENYLAZO)DIPHENYLAMINE 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 22 DIRECT BLACK 22 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt
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