Mordant Brown 22
Name:C.I.Mordant Brown 22,C.I.14235
Molecular Structure: Single azo class
Molecular Formula:C13H10N3NaO7S
Molecular Weight: 375.29
CAS Registry Number:6408-98-6
Manufacturing Methods : 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and p-Cresol coupling.
Properties and Applications: dark brown. Soluble in water for yellow brown, right amount soluble in ethanol. In concentrated sulfuric acid for yellow brown, dilution for shallow orange. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for orange brown.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 4 | 5-6 | 3-4 | 3 | 5 | 4 | |
AATCC | 4 | 6 | 4 | 5 | 4 |
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