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| | Direct red 194 (C.I. 35785) Basic information |
| Product Name: | Direct red 194 (C.I. 35785) | | Synonyms: | Direct red 194 (C.I. 35785);7,7'-Ureylenebis[3-[[4-[(2,4-dichloro-6-sodiosulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt;C.I.35785;C.I.Direct Red 194;Solex Bordeaux;C.I.Direct Red 194:C.I.35785;Direct Red 194 | | CAS: | 6471-41-6 | | MF: | C47H28Cl4N10Na4O15S4 | | MW: | 1334.8143 | | EINECS: | | | Product Categories: | | | Mol File: | 6471-41-6.mol |  |
| | Direct red 194 (C.I. 35785) Chemical Properties |
| | Direct red 194 (C.I. 35785) Usage And Synthesis |
| Preparation | 2-Amino-3,5-dichlorobenzenesulfonic acid diazo, and m-Toluidine?coupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea. | | Properties and Applications | yellow light red. Soluble in water for blue-ray red, slightly soluble in alcohol. The strong sulfuric acid for blue, purple red after diluted. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation. |
| | Direct red 194 (C.I. 35785) Preparation Products And Raw materials |
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