Name:C.I.Mordant Violet 33,C.I.43870
Molecular Structure: triarylmethane class
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.
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List of Suppliers:
Chromoxane Violet 5B( Bayer Group )