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Acid Orange 9

Name:C.I.Acid Orange 9,C.I.17925

Molecular Structure: Single azo class

C.I.Acid Orange 9,C.I.17925,CAS 6369-41-1,537.48,C20H17N3Na2O8S2

C.I.Acid Orange 9,C.I.17925,CAS 6369-41-1,537.48,C20H17N3Na2O8S2

Molecular Formula:C20H17N3Na2O8S2

Molecular Weight: 537.48

CAS Registry Number:6369-41-1

Manufacturing Methods : 2-Amino-3,5-dimethylbenzenesulfonic acid diazo, and 6-Acetamido-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: red light orange. Soluble in water for orange, and adequate soluble in alcohol for orange. The strong sulfuric acid in red for quality, to orange diluted. In water solution to join strong hydrochloric acid for orange; With strong sodium hydroxide solution into orange brown. Can be used for the wool dyeing and printing, good levelness.

Standard(red) Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 3 1-2 2-3

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