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
- Molecular Weight:
- 1334.8143
- MDL Number:
- MOL File:
- 6471-41-6.mol
Direct red 194 (C.I. 35785) Chemical Properties,Uses,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
6471-41-6(Direct red 194 (C.I. 35785))Related Search:
Direct Red 180
1-Chloro-8-hydroxy-7-[4-(6-methylbenzothiazol-2-yl)phenylazo]naphthalene-3,6-bis(sulfonic acid sodium) salt
Benzoic acid, 5-[[4-[(2,4-dihydroxyphenyl)azo]-3-sulfophenyl]azo]-2-hydroxy-, disodium salt
C.I. Direct Red 187
2-Naphthalenesulfonic acid, 3-[[2,5-dimethyl-4-[(4-sulfophenyl)azo]phenyl]azo]-4-hydroxy-7-[[[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]carbonyl]amino]-, trisodium salt
1of2
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
6471-41-6