- DIRECT BLACK 22
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- $1.00
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2019-12-24
- CAS:6473-13-8
- Min. Order: 1KG
- Purity: 98%HPLC
- Supply Ability: 10t
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| | 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 Chemical Properties |
| | DIRECT BLACK 22 Usage And Synthesis |
| Chemical Properties | black powder | | Uses | Direct 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. | | Preparation | 5-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 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. Mainly used for cotton, viscose, wool/stick,nylon/rayon blended fabric dyeing and printing, also used in leather and paper dyeing.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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5
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4
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4
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3
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3
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AATCC
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5
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4-5
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5-6
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3
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3
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| | DIRECT BLACK 22 Preparation Products And Raw materials |
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