Product Name: Naphthol AS-ITR
Chemical Name: N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide
Synonyms: 2-Naphthanilide, 5′-chloro-3-hydroxy-2′,4′-dimethoxy-; Acco Naf-Sol AS-ITR; Acco Naphthol AS-ITR; Acna Naphthol SS; Amanil Naphthol AS-ITR; Azoground ITR; Azotol O; C.I. 37550
CAS No: 92-72-8
Category: Naphthol Dyes
Light gray powder. Melting at 193-194 ° C. Soluble in acetone, soluble in pyridine, ethanol and benzene, do not dissolve in sodium carbonate solution. In sulfuric acid was a yellow solution, with green fluorescence; in sodium hydroxide solution was yellow. The air is stable.
Naphthol AS-ITR is mainly used in cotton dyeing primer, red, such as with the red-based ITR, red-based KL with Yan-color pink. High affinity for cotton. Also used for viscose fiber, silk, nylon dyeing and printing of cotton and used in the manufacture of lake pigments.
Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.
|Appearance||Light gray powder|
|Melting point||200 °C|