3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt

CAS No.
5858-30-0
Chemical Name:
3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.16140;Acid Red 24;C.I.Acid Red 24;C.I.Acid Red 24:C.I.16140;3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt;3-Hydroxy-4-[(2-methylphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt;sodium,(4Z)-4-[(2-methylphenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonic acid
CBNumber:
CB02201232
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
5858-30-0.mol

3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

O-Methylaniline diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

yellow light red. Soluble in water, slightly soluble in ethanol for orange red. The strong sulfuric acid explicit orange red, orange is still the diluted. In water solution to join strong hydrochloric acid for orange red; Add sodium hydroxide for orange brown.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 1-2 2 2 2 2

3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Hydroxy-4-[(2-methylphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt 3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt C.I.16140 C.I.Acid Red 24 C.I.Acid Red 24:C.I.16140 Acid Red 24 sodium,(4Z)-4-[(2-methylphenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonic acid 5858-30-0