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Acid Yellow 27

Name:C.I.Acid Yellow 27,C.I.19130

Molecular Structure: Single azo class

C.I.Acid Yellow 27,C.I.19130,CAS 1934-22-1,432.32,C160H10N4Na2O6S,Vicoacid Yellow 27

C.I.Acid Yellow 27,C.I.19130,CAS 1934-22-1,432.32,C160H10N4Na2O6S,Vicoacid Yellow 27

Molecular Formula:C160H10N4Na2O6S

Molecular Weight: 432.32

CAS Registry Number:1934-22-1

Manufacturing Methods : aniline diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling.

Properties and Applications: yellow. Soluble in water, ethanol, acetone yellow. The strong sulfuric acid to tan, diluted to become red, and then a tan hairy precipitation. Its water solution and strong hydrochloric acid have brown yellow light precipitation; Add sodium hydroxide have precipitation. Used for wool, silk, vinegar fine fiber dyeing and leather and paper color, also can be used as organic pigments.

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

List of Suppliers:

Vicoacid Yellow 27( Victory Colour Chem Industries )


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