(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid

CAS No.
6300-53-4
Chemical Name:
(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid
Synonyms
C.I.26665;Acid Red 148;C.I.Acid Red 148;C.I.Acid Red 148:C.I.26665;1-Hydroxy-2-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-4-sulfonic acid sodium salt;(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid;1-Naphthalenesulfonicacid, 4-hydroxy-3-[2-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:1)
CBNumber:
CB51458441
Molecular Formula:
C24H20N4O4S
Molecular Weight:
483.5
MDL Number:
MOL File:
6300-53-4.mol

(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid Properties

(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid Chemical Properties,Uses,Production

Preparation

2-Methyl-4-(o-tolyldiazenyl)benzenamine diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications

blue-ray red. Slightly soluble in water, soluble in ethanol right amount to red. In the strong sulfuric acid as dark blue, diluted as a light red orange. In water solution to join strong hydrochloric acid have red brown precipitation; With strong sodium hydroxide solution for wine red, and then generate a purplish red precipitate.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3-4 4 3 2 3

(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid 1-Hydroxy-2-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-4-sulfonic acid sodium salt C.I.26665 C.I.Acid Red 148 1-Naphthalenesulfonicacid, 4-hydroxy-3-[2-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:1) Acid Red 148 C.I.Acid Red 148:C.I.26665 6300-53-4 C24H20N4O4S