Mordant Blue 29
Name:C.I.Mordant Blue 29,C.I.43825
Molecular Structure: triarylmethane class
Molecular Formula:C23H15Cl2NaO9S
Molecular Weight: 561.32
CAS Registry Number:1667-99-8
Manufacturing Methods : 2,4-Dichloro-3-formylbenzenesulfonic acid and 2-Hydroxy-3-methylbenzoic acid condensation, its product oxidation and changed into sodium salt.
Properties and Applications: red light blue. Soluble in water for brown light yellow, slightly soluble in ethanol for red light brown. In concentrated sulfuric acid for hot magenta, after dilution to orange, and then generate a orange precipitation. Dye aqueous solution and sodium hydroxide as 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- blue.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 4 | 3 | 4 | 2 | 4-5 | 4 | 5 |
List of Suppliers:
Chrome Azurol S ( Geigy Co. Ltd )
Chrome Cyanine BLA( Kaseihin Kogyo Kyokai )
Chrome Fast Cyanine DNZ(Classic Dyestuffs Inc)
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