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Acid Black 27

Name:C.I.Acid Black 27,C.I.26310

Molecular Structure: Double azo class

C.I.Acid Black 27,C.I.26310,CAS 6548-25-0,655.61,C30H19N5Na2O6S2,Biebrich Patent Black 4AN

C.I.Acid Black 27,C.I.26310,CAS 6548-25-0,655.61,C30H19N5Na2O6S2,Biebrich Patent Black 4AN

Molecular Formula:C30H19N5Na2O6S2

Molecular Weight: 655.61

CAS Registry Number:6548-25-0

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and Naphthalen-1-amine coupling.

Properties and Applications: brown light black. Soluble in water for deep red, slightly soluble in alcohol. The strong sulfuric acid for blue-black, diluted into a deep red. In water solution to join strong hydrochloric acid is a deep red; Add thick sodium hydroxide solution for deep red.

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

List of Suppliers:

Biebrich Patent Black 4AN( Kalle & Co. AG )


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