2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt
- Product Name
- 2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt
- CAS No.
- 6226-72-8
- Chemical Name
- 2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt
- Synonyms
- Direct Blue 128;C.I.Direct Blue 128:C.I.27140;2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt
- CBNumber
- CB64784092
- Molecular Formula
- C28H21N5Na2O8S2
- Formula Weight
- 665.60458
- MOL File
- 6226-72-8.mol
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2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt Chemical Properties,Usage,Production
Preparation
5-Amino-8-nitronaphthalene-2-sulfonic acid diazo, and 2-Amino-4-methylanisole coupling, again diazotization and 7-Hydroxynaphthalene-2-sulfonic acid?coupling, and then will the nitro reduction for amino.
Properties and Applications
blue. Soluble in water for dark purple, slightly soluble in alcohol. The strong sulfuric acid in purple to basket for color, diluted for orange.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 4-5 | 2 | 3-4 | 3-4 | ||
2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
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2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt Suppliers
6226-72-8, 2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium saltRelated Search:
5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt
2-Naphthalenesulfonic acid, 5-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-6-hydroxy-, disodium salt
8-[(4-Amino-3-methoxyphenyl)azo]-6-ethoxy-5-[(2-hydroxy-6-sulfo-1-naphtyl)azo]-2-naphthalenesulfonic acid disodium salt
7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt
2-Naphthalenesulfonic acid, 6-amino-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-4-hydroxy-, disodium salt
2-Naphthalenesulfonic acid, 8-[(4-aminophenyl)azo]-5-[[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-7-sulfo-1-naphthalenyl]azo]-, disodium salt
1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[(4-amino-5-methoxy-2-methylphenyl)azo]-6(or7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-,trisodiumsalt
1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(4-amino-2,5-dimethylphenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, trisodium salt
4-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt