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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: | DIRECT SCARLET B |
| Synonyms: | directscarlet;DIAMINE SCARLET B;CHLORAMINE RED B;DIRECT SCARLET B;AMIDINE SCARLET B;disodium 8-[[4'-[(4-ethoxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate;Diamine Scarlet BA-CF;Direct Fast Scarlet B |
| CAS: | 3530-19-6 |
| MF: | C30H25N4NaO8S2 |
| MW: | 656.66 |
| EINECS: | 222-560-7 |
| Product Categories: | |
| Mol File: | 3530-19-6.mol |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| Colour Index | 22240 |
| form | Solid |
| color | Very Dark Red |
| CAS DataBase Reference | 3530-19-6 |
| EPA Substance Registry System | C.I. Direct Red 37, disodium salt (3530-19-6) |
| HS Code | 3204.14.5000 |
| Uses | Direct Scarlet B is a dye used with textiles. It is a water pollutant, removed via chitin adsorption. | ||||||||||||||||||||||||||||
| 4-(4-Aminophenyl)benzenamine double nitriding, first and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling, again with phenol coupling, and then in contain sodium carbonate in aqueous solution of ethanol heating, air pressure,Using Chloroethane to make phenol??hydroxy ethylated?. | |||||||||||||||||||||||||||||
| Properties and Applications | red. Soluble in water for red, slightly soluble in alcohol, acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for dark purple, after diluted brown precipitation; In nitric acid solution for colourful red. The dye solution to join strong hydrochloric acid have orange brown precipitation; Add thick sodium hydroxide solution for red orange, precipitation.
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