2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
- Product Name
- 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
- Formula Weight
- 662.00166
- MOL File
- 5873-18-7.mol
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2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt Chemical Properties,Usage,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
Raw materials
Preparation Products
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2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt Suppliers
5873-18-7, 2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium saltRelated Search:
Direct Red 75 tetrasodium salt
DIRECT RED 83
tetrasodium 5,5'-[carbonylbis(imino-4,1-phenyleneazo)]bis[8-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate]
DIRECT RED 80
CHLORANTINE FAST RED 5B
DIRECT RED 79
SIRIUS SUPRA SCARLET GG
Direct Red 83:1
disodium 7-(acetylamino)-3-[[4-[(4-chloro-2-sulphonatophenyl)azo]-2,5-dimethylphenyl]azo]-4-hydroxynaphthalene-2-sulphonate