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| trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) Basic information |
Product Name: | trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) | Synonyms: | Chromate,bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato]-,trisodium;Chromate(3-), bis[3-hydroxy-4-[(2-hydroxy- 1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato (3-)]-, trisodium;Acid Black 172;Trisodium bis[3-(hydroxy-ko)-4-{(Z)-[2-(hydroxy-ko)-5,8-dihydronaphthalen-1-yl]diazenyl}-8-nitro-5,8-dihydronaphthalene-1-sulfonato(2-)]chromate(3-);Bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]chromate(3-) trisodium;C.I. 15711:1;trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-);Neutlan Black A | CAS: | 57693-14-8 | MF: | C40H20CrN6NaO14S2(-2) | MW: | 947.73 | EINECS: | 260-906-9 | Product Categories: | Organometallics | Mol File: | 57693-14-8.mol | |
| trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) Chemical Properties |
| trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) Usage And Synthesis |
Uses | Acid Black 172 is a water-soluble dye used for leather dying. Acid Black 172 is a water pollutant, and its decolourization has been coupled with bioelectricity generation by Aspergillus niger. | Preparation | 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex. | Flammability and Explosibility | Non flammable | Properties and Applications | black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing directly, also can used for leather dyeing.
Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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7
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4-5
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5
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5
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| trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) Preparation Products And Raw materials |
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