2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
- CAS No.
- 6844-77-5
- Chemical Name:
- 2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
- Synonyms
- C.I.30135;Direct Brown 5;C.I.Direct Brown 5;C.I.Direct Brown 5:C.I.30135;2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt;Benzoic acid, 5-((4'-((2,6-dihydroxy-3-((3-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
- CBNumber:
- CB22301068
- Molecular Formula:
- C31H23N6NaO8S
- Molecular Weight:
- 662.61
- MDL Number:
- MOL File:
- 6844-77-5.mol
2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt Properties
EPA Substance Registry System | C.I. Direct Brown 5 (6844-77-5) |
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2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and?3-Aminobenzenesulfonic acid diazo, in acid conditions Resorcinol coupled with the product matches.
Properties and Applications
brown. Soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid to red light purple, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for orange brown, have precipitation; Add thick sodium hydroxide solution for red light orange brown.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 3-4 | 3 | 1-2 | 2 |
2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt Preparation Products And Raw materials
6844-77-5(2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt)Related Search:
Direct Brown 44:1
DIRECT BROWN 44
trisodium 5-[[4'-[[8-[(2,4-diaminophenyl)azo]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]salicylate
sodium 4-[[diamino(naphthylazo)phenyl]azo]naphthalene-1-sulphonate
5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
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2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
C.I.30135
C.I.Direct Brown 5
Benzoic acid, 5-((4'-((2,6-dihydroxy-3-((3-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
C.I.Direct Brown 5:C.I.30135
Direct Brown 5
6844-77-5