dye|World dye variety

Name:C.I.Azoic Coupling Component 31,C.I.37521

Molecular Structure:

C.I.Azoic Coupling Component 31,C.I.37521,CAS 3651-62-5,277.32,C18H15NO2,Naphthol AS-RT

Molecular Formula:C₁₈H₁₅NO₂

Molecular Weight: 277.32

CAS Registry Number:3651-62-5

Manufacturing Methods : p-Methylaniline and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications: red light yellow powder. Insoluble in water, but soluble in pyridine. The strong sulfuric acid and sodium hydroxide solution are yellow liquid, sodium carbonate in solution not dissolve. Melting point for 207 ~ 211 ℃, the air is stable. This product is brown and purplish red render agent, used for cotton, viscose and polyamide fiber dyeing and not used in printing of cotton, cotton to the high affinity.

List of Suppliers:

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