C.I. Direct Brown 46
- Product Name
- C.I. Direct Brown 46
- CAS No.
- 8003-51-8
- Chemical Name
- C.I. Direct Brown 46
- Synonyms
- Direct Brown 46;C.I. Direct Brown 46;C.I.Direct Brown 46:C.I.31785
- CBNumber
- CB21401709
- Molecular Formula
- C39H27N7O10S2.3Na
- Formula Weight
- 886.79
- MOL File
- Mol file
More
Less
C.I. Direct Brown 46 Property
- EPA Substance Registry System
- C.I. Direct Brown 46 (8003-51-8)
More
Less
C.I. Direct Brown 46 Chemical Properties,Usage,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling.
Properties and Applications
dark brown olive green light. Soluble in water for palm light olive, soluble in ethanol. The strong sulfuric acid in the navy for, for the shallow olive gray after diluted. The dye solution to join strong hydrochloric acid have Gray light purple precipitation; Add thick sodium hydroxide solution have orange brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 3 | 2-3 | 2-3 | 2-3 | ||
C.I. Direct Brown 46 Preparation Products And Raw materials
Raw materials
Preparation Products
More
Less
C.I. Direct Brown 46 Suppliers
8003-51-8, C.I. Direct Brown 46Related 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
DIRECT BROWN 39
2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
5-[[2,4-Diamino-5-[(8-hydroxy-6-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt