dye|World dye variety

Name:C.I.Acid Red 201,C.I.18761

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Red 201,C.I.18761,CAS 6408-29-3,446.41,C20H15N4NaO5S,Stenochrome Pink L-BN

Molecular Formula:C₂₀H₁₅N₄NaO₅S

Molecular Weight: 446.41

CAS Registry Number:6408-29-3

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in water solution and chromium acid were hot, make the generation of the chrome complex.

Properties and Applications: blue light pink. The strong sulfuric acid in red for orange, diluted red for yellow; In nitric acid for tan; In strong hydrochloric acid for red, diluted is still red. Apply to wool and polyamide fiber dyeing and printing.

List of Suppliers:

Stenochrome Pink L-BN( S A des Ets. Steiner )