Direct Violet 27
- CAS NO.:6426-64-8
- Empirical Formula: C32H24N5NaO11S3
- Molecular Weight: 773.74
- Update Date: 2024-12-18 14:15:30
What is Direct Violet 27?
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
purple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4-5 | 2-3 | 1-2 | 1-2 | ||
Properties of Direct Violet 27
| EPA Substance Registry System | C.I. Direct Violet 27 (6426-64-8) |
Safety information for Direct Violet 27
Computed Descriptors for Direct Violet 27
New Products
Paroxetine Impurity G/Paroxetine Related Compound E 1-Aminocyclopentane carbonitrile (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine(RM for Indian lab) Benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate (R)-1-Benzyl-3-pyrrolidinecarbonitrile Betahistine EP Impurity C Cyclobenzaprine N-oxide/Citalopram Related Compound E Chlorthalidone Impurity I Carbamazepine EP Impurity G Sumatriptan Succinate USP Related Compound C 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 4-Bromo Benzylcyanide 3-Hydroxypropionitrile valeronitrile 3,4 Dimethoxy Benzylcyanide 3-chlorobenzyl cyanide 2-Chloro BenzylcyanideRelated products of tetrahydrofuran

![4-Amino-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/6470-45-7.gif)

![4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt](https://img.chemicalbook.in/CAS/GIF/6507-83-1.gif)
![trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate](https://img.chemicalbook.in/CAS/GIF/6227-20-9.gif)

![3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/6227-11-8.gif)
![2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2)](https://img.chemicalbook.in/CAS/20211123/GIF/6227-13-0.gif)
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