dye|World dye variety

Name:C.I.Azoic Coupling Component 19,C.I.37545

Molecular Structure:

C.I.Azoic Coupling Component 19,C.I.37545,CAS 92-73-9,323.34,C19H17NO4,Naphthol AS-BG

Molecular Formula:C₁₉H₁₇NO₄

Molecular Weight: 323.34

CAS Registry Number:92-73-9

Manufacturing Methods : 2,5-Dimethoxyaniline and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications: shallow rice gray powder, melting point for 181 ℃. Soluble in pyridine, insoluble in water. In a sulphuric acid and sodium hydroxide solution are yellow solution; Sodium carbonate in solution slightly dissolve. Stability of air. This product is mainly used for dyeing cotton, viscose, silk, general is not used for printing. This product to cotton affinity medium.

List of Suppliers:

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

Naphthol AS-BG( Sinochem Jiangsu I/E Corp. )

Tulathol AS-BG( Atul Limited  )