Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt

Product Name
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt
CAS No.
6404-55-3
Chemical Name
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt
Synonyms
Direct Red 119;C.I.Direct Red 119:C.I.19590;Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt
CBNumber
CB54772977
Molecular Formula
C24H17N4NaO4S2
Formula Weight
512.53595
MOL File
6404-55-3.mol
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt Chemical Properties,Usage,Production

Preparation

O-Methylaniline diazo, and 2-(4-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid?coupling.

Properties and Applications

blue-ray red. Soluble in water for big red, soluble in ethanol is palm light orange. The strong sulfuric acid for product red, diluted becomes shallow. The dye solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution have orange brown precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 1 2-3 3

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt Suppliers