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Acid Black 29

Name:C.I.Acid Black 29,C.I.30336

Molecular Structure: trisazo class

Molecular Formula:

Molecular Weight:

CAS Registry Number:12217-14-0

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid in acid conditions coupled; 2-Aminobenzenesulfonic acid diazo, in alkaline conditions to the above the products with coupling, and then in alkaline conditions and N-(3-hydroxyphenyl)-2-methyl-aniline coupling.

Properties and Applications: black. Black powder, unfavorable discharge. Used for wool, silk dyeing and printing, also can be used for leather color.

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

List of Suppliers:

Acid Blac BM,Acid Blac MB,Acid Blac NT

Jinhua Hanllycome Chemical Co., Ltd.

Acid Black NT(Fenchem Enterprises Ltd)


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