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Acid Yellow 87

Name:C.I.Acid Yellow 87,C.I.22905

Molecular Structure: Double azo class

C.I.Acid Yellow 87,C.I.22905,CAS 6375-54-8,672.64,C30H22N6Na2O6S2

C.I.Acid Yellow 87,C.I.22905,CAS 6375-54-8,672.64,C30H22N6Na2O6S2

Molecular Formula:C30H22N6Na2O6S2

Molecular Weight: 672.64

CAS Registry Number:6375-54-8

Manufacturing Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 2-Methyl-2H-indazole (2 Moore) coupled.

Properties and Applications: yellow. Soluble in water, slightly soluble in ethanol lemon yellow. The strong sulfuric acid for lemon yellow, dilute lemon yellow into golden by. Its water solution to join strong hydrochloric acid for gold orange; Add sodium hydroxide for gold orange.

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

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