Mordant Red 74
Name:C.I.Mordant Red 74,C.I.16315
Molecular Structure: Single azo class
Molecular Formula:C24H15N3Na2O7S
Molecular Weight: 535.44
CAS Registry Number:5850-46-4
Manufacturing Methods : 2-Aminobenzoic acid diazotization and 2-(2-Hydroxynaphthalene-6-sulfonamido)benzoic acid coupling.
Properties and Applications: dark yellow red. Soluble in water and ethanol as golden orange. In concentrated sulfuric acid to orange, orange for gold after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for orange.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 4-5 | 7 | 4-5 | 3 | 3-4 | 5 | 5 |
List of Suppliers:
Diamond Chrome Fast Bordeaux BT( Bayer Group )
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