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Acid Black 51

Name:C.I.Acid Black 51,C.I.16711

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Black 51,C.I.16711,CAS 6408-19-1,416.77,C16H10ClN2NaO6S

C.I.Acid Black 51,C.I.16711,CAS 6408-19-1,416.77,C16H10ClN2NaO6S

Molecular Formula:C16H10ClN2NaO6S

Molecular Weight: 416.77

CAS Registry Number:6408-19-1

Manufacturing Methods : 2-Amino-4-chlorophenol diazo, and 4,6-Dihydroxynaphthalene-2-sulfonic acid coupling, and then will product with aqueous acid chromium common heating, in 115 ℃ keep 4.5 hours, make its formed chromium complex.

Properties and Applications: black. Used for wool, polyamide fiber dyeing and printing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 4 5 3 1-2 5 5

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