Direct Black 22 Direct Fast Black Vsf 600%

• Customization: Available
• CAS No.: 6473-13-8
• Formula: C44h32n13na3o11s3
• Model NO.: DIRECT BLACK 22
• Colour: Black
• Appearance: Powder
• Usage: Paper, Ink, Leather, Textile
• Application Material: Paper
• Name: Direct Black 22
• Content: 100%
• C.I.No.: 35255
• Transport Package: 25kg/Bag, Drum, Carton
• Specification: 25kg
• Trademark: EMPEROR
• Origin: China
• HS Code: 32041400
• Production Capacity: 8000000mt/Year

Product Description

Product Name: Direct Black 22
C.I. No.: 35435
CAS No.: 6473-13-8
Molecular Formula:C44H32N13Na3O11S3
Molecular 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 Direct Black 22 Physical Properties and light fastness, solubility.

Direct Direct Black 22
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	4-6
Washing Fatness	2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

 
Direct Direct Black 22 Properties: 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.