dye|World dye variety

Name:C.I.Direct Yellow 9,C.I.19540

Molecular Structure: Single azo,Benzothiazole class

C.I.Direct Yellow 9,C.I.19540,CAS 1329-00-1,695.72,C28H19N5Na2O6S4,Titan Yellow

Molecular Formula:C₂₈H₁₉N₅Na₂O₆S₄

Molecular Weight: 695.72

CAS Registry Number:1329-00-1

Manufacturing Methods : 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, and the 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid coupling. In some closely related to the grade of the dyes, as one or two to a generation of 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid C.I.Direct Yellow 59 (C.I. 49000) instead. For example, Oxydiamine Yellow TZM structure is the 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid and C.I.Direct Yellow 59 matches generated.

Properties and Applications: yellow. Soluble in water and ethanol lemon yellow. The strong sulfuric acid for lemon yellow, diluted for extremely shallow yellow. The dye solution to join strong hydrochloric acid have gold orange precipitation; Add thick sodium hydroxide solution have orange precipitation. Used for cellulose fiber dyeing, can be used for biological, indicator, leather, paper, shading.

List of Suppliers:

Titan Yellow( Simpsons (UK) Ltd )