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Mordant Violet 33

Name:C.I.Mordant Violet 33,C.I.43870

Molecular Structure: triarylmethane class

C.I.Mordant Violet 33,C.I.43870,CAS 2305-53-5,478.45,C26H22O9,Chromoxane Violet 5B

C.I.Mordant Violet 33,C.I.43870,CAS 2305-53-5,478.45,C26H22O9,Chromoxane Violet 5B

Molecular Formula:C26H22O9

Molecular Weight: 478.45

CAS Registry Number:2305-53-5

Manufacturing Methods :  Formaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, its product in Nitrosylsulfuric acid with 2-Hydroxy-4,6-dimethylbenzoic acid common oxidation.

Properties and Applications: dark blue purple. Soluble in water for wine red, soluble in ethanol for red wine. In concentrated sulfuric acid for brilliant product red, red orange after diluted. Dye aqueous solution to join sodium hydroxide as wine red.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 4 4 4 5 4-5 5

List of Suppliers:

Chromoxane Violet 5B( Bayer Group )


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