Direct red 194 (C.I. 35785)
- Product Name
- Direct red 194 (C.I. 35785)
- CAS No.
- 6471-41-6
- Chemical Name
- Direct red 194 (C.I. 35785)
- Synonyms
- C.I.35785;Direct Red 194;Solex Bordeaux;C.I.Direct Red 194;Direct red 194 (C.I. 35785);C.I.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
- CBNumber
- CB31485687
- Molecular Formula
- C47H28Cl4N10Na4O15S4
- Formula Weight
- 1334.8143
- MOL File
- 6471-41-6.mol
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Direct red 194 (C.I. 35785) Chemical Properties,Usage,Production
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
Raw materials
Preparation Products
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Direct red 194 (C.I. 35785) Suppliers
6471-41-6, Direct red 194 (C.I. 35785)Related Search:
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2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt