disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Basic information
- Product Name:
- disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
- Synonyms:
-
- disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
- C.I. Direcet Brown 54
- disodium,(3Z)-6-oxo-3-[[4-[4-[[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl]diazenyl]phenyl]phenyl]hydrazinylidene]cyclohexa-1,4-diene-1-carboxylate
- C.I.Direct Brown 54:C.I.31735
- Direct Brown 54
- C.I. Direct Brown 54
- CAS:
- 8003-50-7
- MF:
- C35H24N6O7S.2Na
- MW:
- 716.62972
- EINECS:
- 2323203
- Mol File:
- 8003-50-7.mol
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disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Chemical Properties
- EPA Substance Registry System
- C.I. Direct Brown 54 (8003-50-7)
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disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Usage And Synthesis
Preparation
4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, coupled with phenol.
Properties and Applications
brown. Soluble in water for yellow brown, and adequate soluble in alcohol for yellow brown to olive. In the dark for the strong sulfuric acid to blue-black, diluted for shallow olive to yellow brown. The dye solution to join strong hydrochloric acid for olive to yellow brown; Add thick sodium hydroxide solution for orange brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2-3 | 1-2 | 4 | 2 | 3 | ||
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disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate(8003-50-7)Related Product Information
- Direct Brown 57
- 6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
- DIRECT BROWN 6
- Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
- DIRECT BROWN 59
- Direct Brown 61
- Benzoic acid, 5-[[4'-[(2-amino-3-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
- [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt
- C.I. Direct brown 62