Mordant Violet 27
Name:C.I.Mordant Violet 27,C.I.43860
Molecular Structure: triarylmethane class
Molecular Formula:C25H20O9
Molecular Weight: 464.42
CAS Registry Number:3267-41-2
Manufacturing Methods : Formaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, its product in Nitrosylsulfuric acid with 5-Methylsalicylic acid common oxidation.
Properties and Applications: purple. Soluble in water for olive, soluble in ethanol for red purple. In concentrated sulfuric acid for red orange, after dilution is purple. Dye aqueous solution to join sodium hydroxide as magenta to purple, and precipitation.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 5 | 4 | 4 | 4 | 4-5 | 4 | 5 |
List of Suppliers:
Diamond Violet B( Bayer Group )