dye|World dye variety

Name:C.I.Azoic Coupling Component 12,C.I.37550

Molecular Structure:

C.I.Azoic Coupling Component 12,C.I.37550,CAS 92-72-8,357.79,C19H16ClNO4,Naphthol AS-ITR

Molecular Formula:C₁₉H₁₆ClNO₄

Molecular Weight: 357.79

CAS Registry Number:92-72-8

Manufacturing Methods :  5-Chloro-2,4-dimethoxybenzenamine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications: gray or green powder, melting point for 193 ~ 194 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine, ethanol and benzene, easily soluble in acetone. In the yellow liquid for sulfuric acid, and display the green fluorescent; Sodium hydroxide solution for yellow in the liquid. Stability of air. Mainly used for cotton fabrics, PVA, viscose, silk and vinegar fiber dyeing and printing of cotton fabric. Can be used for the manufacture of pigment fast. This product to cotton affinity medium, coupled ability medium. This product bright color, good fastness.

List of Suppliers:

Anarthol AS-ITR ( Anar Chemical Industries )

Kiwa Grounder ITR( Kaseihin Kogyo Kyokai )

Naftol AS-ITR ( Chemische Fabriek Triade BV )

NaphtaniIide ITR ( Rohner Ltd )

Naphthol AS-ITR( Sinochem Ningbo Imp & Exp Corp )

Naphthol AS-ITR( Tianjin Hua Shi Chemicals Co Ltd )

Naphthol AS-ITR ( Sinochem Liaoning Import & Export Corporation )

Napthol AS-ITR ( Pfister Chemical Inc. )

Napthol AS-ITR( Aakash Chemicals & Dyestuffs Inc. )

Vipulthol ASITR (Napthol ASITR)( Vipul Dye-Chem Ltd )