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Mordant Blue 29

Name:C.I.Mordant Blue 29,C.I.43825

Molecular Structure: triarylmethane class

C.I.Mordant Blue 29,C.I.43825,CAS 1667-99-8,561.32,C23H15Cl2NaO9S,Chrome Azurol S,Chrome Cyanine BLA,Chrome Fast Cyanine DNZ

C.I.Mordant Blue 29,C.I.43825,CAS 1667-99-8,561.32,C23H15Cl2NaO9S,Chrome Azurol S,Chrome Cyanine BLA,Chrome Fast Cyanine DNZ

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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