2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
- CAS No.
- 5873-18-7
- Chemical Name:
- 2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
- Synonyms
- Direct Red 8;C.I.Direct Red 8:C.I.28105/28015;2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
- CBNumber:
- CB24783022
- Molecular Formula:
- C25H18ClN5Na2O8S2
- Molecular Weight:
- 662.00166
- MOL File:
- 5873-18-7.mol
2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt Chemical Properties,Uses,Production
Preparation
2-Amino-5-chlorobenzenesulfonic acid diazo, and a coupling ?m-Toluidine?, product to diazo, and ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
colourful red blue light. Soluble in water for product red, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue, pink is diluted; In nitric acid in purple precipitation. The dye solution with strong hydrochloric acid have blue-ray red to purplish red precipitate; Add thick sodium hydroxide solution have red light purple precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 4-5 | 4-5 | 4 | 2 | 2 |
2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt Preparation Products And Raw materials
5873-18-7(2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt)Related Search:
2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
C.I.Direct Red 8:C.I.28105/28015
Direct Red 8
5873-18-7