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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 7 |
| Synonyms: | FAST CRIMSON 6BL;FAST FUCHSIN 6B;KITON RED 6B;ERIO FLOXINE 6B;CI 18055;CI 16600;CHROMOTROPE 6B;CI NO 18055 |
| CAS: | 4197-09-5 |
| MF: | C20H16N4Na2O9S2 |
| MW: | 566.47 |
| EINECS: | |
| Product Categories: | |
| Mol File: | 4197-09-5.mol |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 3-[[4-(acetylamino)phenyl]azo]-4,5-dihydroxy-, disodium salt (4197-09-5) |
| WGK Germany | 2 |
| RTECS | QJ6000000 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Preparation | N-(4-aminophenyl)acetamide diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling. | ||||||||||||||||||||||||||||||||
red light purple. Soluble in water chestnut, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid are chestnut, diluted into a deep red, with brown precipitation; In nitric acid solution for pink, then turned into yellow. In 10% of sodium hydroxide solution for wine red solution.
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| Raw materials | 1,8-Dihydroxynaphthylene-3,6-disulfonic acid-->4'-Aminoacetanilide |
| Preparation Products | ACID VIOLET 3 |
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