ACID RED 8

ACID RED 8 Basic information
Product Name:ACID RED 8
Synonyms:ACID RED 8;CI 14900;acid red 8 (C.I. 14900);Acid Red 8 (C.I.);C.I. Acid Red 8;disodium 3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt;C.I. Acid red 8, disodium salt
CAS:4787-93-3
MF:C18H17N2NaO7S2
MW:460.45
EINECS:225-337-2
Product Categories:
Mol File:4787-93-3.mol
ACID RED 8 Structure
ACID RED 8 Chemical Properties
Safety Information
WGK Germany 3
MSDS Information
ProviderLanguage
SigmaAldrich English
ACID RED 8 Usage And Synthesis
Preparation2,4-Dimethylbenzenamine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applicationscolourful red yellow light. Soluble in water for product red, slightly soluble in ethanol for orange, almost insoluble in acetone. The strong sulfuric acid for product red, diluted for pink. In water solution to join strong hydrochloric acid for product red; By adding concentrated sodium hydroxide solution was time
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 2-3 2-3 2-3 3 2
ACID RED 8 Preparation Products And Raw materials
Raw materials1-Naphthol-3,6-disulfonic acid-->2,4-Dimethyl aniline
1-Naphthol 1-Naphthol-3,6-disulfonic acid DIANIL BLUE 2R Sodium o-aminobenzenesulfonate 2,7-Naphthalenedisulfonic acid disodium salt 3-AMINO-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT ammonium naphthalenesulphonate 6-Amino-2-naphthalenesulfonic acid Azobenzene Disodium 3-aminonaphthalene-2,7-disulphonate 2,4-Dimethyl aniline CI 23790 ACID RED 8 Naphthalene-2-sulfonic acid 3-Hydroxythiophenol 2-Chloro-5-hydroxypyridine 2-Aminobenzenethiol amino-R acid

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