Mordant Brown 49
Name:C.I.Mordant Brown 49,C.I.13265
Molecular Structure: Single azo class
Molecular Formula:C12H9N6NaO8S
Molecular Weight: 420.29
CAS Registry Number:8005-84-3
Manufacturing Methods : 2-Amino-4,6-dinitrophenol diazotization, and 2,4-Diaminobenzenesulfonic acid and where did N-(3-amino-4-sulfophenyl)glycine mixture coupling.
Properties and Applications: red light brown. Red light brown powder. Soluble in water for orange brown, slightly soluble in alcohol. In concentrated sulfuric acid for magenta, dilution after orange until golden brown. Its aqueous solution to join hydrochloric acid for yellow brown; Join concentrated sodium hydroxide solution for orange brown. Used for wool and silk dyeing.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 5 | 5 | 4-5 | 2 | 5 | 5 | 5 |
List of Suppliers:
Acid Anthracene Brown R( Bayer Group )
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