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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Acid violet 90 |
| Synonyms: | Acid violet 90;disodium hydrogen bis[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxynaphthalene-1-sulphonato(3-)]chromate(3-);Violet 90;Acid violet 90 (C.I. 18761);Bordeaux MB;Ambilan Bordeaux MB;Basantol Bordeaux 415;Chromate (3-), bis [4-[(4, 5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl) azo]-3-hydroxy-1-naphthalenesulfonalo (3-)], disodium hydrogen |
| CAS: | 6408-29-3 |
| MF: | C40H27CrN8O10S2.2Na |
| MW: | 941.807 |
| EINECS: | 229-052-4 |
| Product Categories: | Dyes and Pigments |
| Mol File: | 6408-29-3.mol |
| vapor pressure | 0Pa at 25℃ |
| Chemical Properties | Reddish purple powder. Soluble in water and ethanol. Its aqueous solution is bluish red, turns orange-red after adding hydrochloric acid, accompanied by a red precipitate; red after adding sodium hydroxide, with a precipitate. In concentrated sulfuric acid is bluish red, after dilution is red. | |||||||||||||||||||||||
| 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in water solution and chromium acid were hot, make the generation of the chrome complex. | ||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||
blue light pink. The strong sulfuric acid in red for orange, diluted red for yellow; In nitric acid for tan; In strong hydrochloric acid for red, diluted is still red. Apply to wool and polyamide fiber dyeing and printing.
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| Raw materials | Salicylic acid-->1-Amino-2-naphthol-4-sulfonic acid-->1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one-->5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one-->1-AMINO-2-NAPHTHOL-4-SULFONIC ACID |
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