Basic information Safety Supplier Related

Acid Black 41

Basic information Safety Supplier Related

Acid Black 41 Basic information

Product Name:
Acid Black 41
Synonyms:
  • Acid Black 41
  • C.I.Acid Black 41:C.I.20480
MW:
0
Mol File:
Mol File
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Acid Black 41 Usage And Synthesis

Preparation

4-Nitrobenzenamine diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-Aminobenzenesulfonic acid to diazo, in alkaline conditions and formation of single accidentally coupled nitrogen compounds.

Properties and Applications

blue and black. Soluble in water as dark blue to blue-black, easily soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid for dark olive green to, diluted as dark blue precipitation; In nitric acid for green precipitation, and then into a chestnut; In 10% of sodium hydroxide solution for light blue solution. In water solution to join strong hydrochloric acid for dark blue; Add sodium hydroxide solution as dark blue.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 2 4-5 1-2 2 2-3
AATCC 6-7 2 1 1 3

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