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Acid Red 201

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

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.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 4-5 5 2-3 5

List of Suppliers:

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


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