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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: | amanil developed black bhsw |
| Synonyms: | 1'-biphenyl)-4- hydroxy-phthalenyl)azo)( trisodium salt;1'-biphenyl)-4-yl)azo)-4-hydroxy-phthalenyl) azo)( trisodium salt;1'-biphenyl]-4-yl]azo]-4-hydroxy-phthalenyl)azo][ trisodium salt;2,7-naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-na;2,7-naphthalenedisulfonic acid, 5-amino-3-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-na;aizen direct black bh;altazine black bh;amanil developed black bhsw |
| CAS: | 6426-71-7 |
| MF: | C32H24N5NaO8S2 |
| MW: | 693.68 |
| EINECS: | |
| Product Categories: | |
| Mol File: | 6426-71-7.mol |
| EPA Substance Registry System | C.I. Direct Blue 42 (6426-71-7) |
| Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1-sulfonic acid coupling, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling. | |||||||||||||||||||
red light blue. Soluble in water for violet blue, soluble in alcohol for red light purple. The strong sulfuric acid for blue, purple precipitation after diluted. The dye solution to join hydrochloric acid for blue; Add sodium hydroxide solution for red light purple.
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| Raw materials | 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID-->7-hydroxynaphthalene-1-sulphonic acid-->Benzidine |
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