Mordant Violet 40
Name:C.I.Mordant Violet 40,C.I.14745
Molecular Structure: Single azo class
Molecular Formula:C16H10ClN2NaO5S
Molecular Weight: 400.77
CAS Registry Number:5858-44-6
Manufacturing Methods : 2-Amino-4-chlorophenol diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: dark purple. Soluble in water for red, soluble in ethanol for titian. In concentrated sulfuric acid for blue purple, red after diluted solution, and then a brick red precipitation. Dye aqueous solution to join concentrated hydrochloric acid to red; Join concentrated sodium hydroxide solution for orange.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 4 | 6 | 4 | 5 | 5 | 5 |
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Kemachrome Violet R( Karsandas Mavji )