C.I. Direct red 59
- Product Name
- C.I. Direct red 59
- CAS No.
- 6655-94-3
- Chemical Name
- C.I. Direct red 59
- Synonyms
- Direct Red 59;C.I. Direct red 59;C.I.Direct Red 59:C.I.22420;Benzoic acid, 5-((4'-((6-(acetylamino)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt
- CBNumber
- CB22497349
- Molecular Formula
- C32H26N5NaO8S
- Formula Weight
- 663.64
- MOL File
- 6655-94-3.mol
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C.I. Direct red 59 Property
- EPA Substance Registry System
- C.I. Direct Red 59 (6655-94-3)
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C.I. Direct red 59 Chemical Properties,Usage,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxy-3-methylbenzoic acid coupling, again with ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue-ray red. Soluble in water for red orange brown, soluble in ethanol in red. The strong sulfuric acid in the dark for, for the red light brown after diluted. The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 3-4 | 4 | 1-2 | 3 | ||
C.I. Direct red 59 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct red 59 Suppliers
6655-94-3, C.I. Direct red 59Related Search:
6-Hydroxy-2-[3-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]phenyl]-7-phenylazo-1H-naphth[1,2-d]imidazole-8-sulfonic acid sodium salt
3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
C.I. Direct Red 63
1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 6-hydroxy-2-[3-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-7-(phenylazo)-, disodium salt
1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[[3-[6-hydroxy-7-[(2-methoxyphenyl)azo]-8-sulfo-1H-naphth[1,2-d]imidazol-2-yl]phenyl]azo]-, trisodium salt
disodium 3,3'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)
tetrasodium 5,5'-[carbonylbis[imino(1-hydroxy-3-sulphonatonaphthalene-2,6-diyl)azo]]bisnaphthalene-1-sulphonate
2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt
trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate