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必应染料-您身边的染料专家

Acid Yellow 68

Name:C.I.Acid Yellow 68,C.I.23270

Molecular Structure: Double azo class

C.I.Acid Yellow 68,C.I.23270,CAS 6470-39-9,779.22,C36H28ClN6NaO7S2,Supranolgdb GG

C.I.Acid Yellow 68,C.I.23270,CAS 6470-39-9,779.22,C36H28ClN6NaO7S2,Supranolgdb GG

Molecular Formula:C36H28ClN6NaO7S2

Molecular Weight: 779.22

CAS Registry Number:6470-39-9

Manufacturing Methods : 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with phenol and 4-Chloro-3-(3-methyl-5-oxo4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, then use Benzenesulfonyl chloride make phenol hydroxyl esterification.

Properties and Applications: yellow. Mainly used for wool, silk dyeing and printing, good levelness, discharge sex medium. In dyeing copper, chromium ion colored light sends dark.

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

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