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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

2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt Structure
2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt structure
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
Molecular Weight:
665.60458
MDL Number:
MOL File:
6226-72-8.mol
Request For Quotation

2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt Chemical Properties,Uses,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

5-amino-8-nitronaphthalene-2-sulfonic acid 2-Methoxy-5-methylaniline 7-hydroxynaphthalene-2-sulphonic acid

Preparation Products

6226-72-8(2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt)Related Search:

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 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt

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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 C.I.Direct Blue 128:C.I.27140 Direct Blue 128 6226-72-8