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HomeProduct name listMordant Brown 18

Mordant Brown 18

Mordant Brown 18 Structural

What is Mordant Brown 18?

Preparation

4-Aminobenzenesulfonic acid?and where did 4-Nitrobenzenamine respectively diazotization, in turn, and 2-Hydroxybenzoic acid coupling.

Properties and Applications

yellow brown. Soluble in water for yellow brown, solubility is 50 g/l (80 ℃), soluble in ethanol and Cellosolve, slightly soluble in Acetone. In concentrated sulfuric acid to red light brown, dilution after brown light yellow, In concentrated nitric acid for orange solution, to yellow, In concentrated hydrochloric acid for orange solution; In 10% sodium hydroxide solution for yellow brown solution. Its aqueous solution to join hydrochloric acid with brown precipitation. In dye bath of copper, iron ion sensitive. Used for wool fabric dyeing and printing, also can be used for silk, nylon and biological coloring and leather dyeing.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4 4-5 3-4 4 4 5
AATCC 5 4 4 4-5 4 5

Properties of Mordant Brown 18

EPA Substance Registry System Benzoic acid, 2-hydroxy-3-[(4-nitrophenyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt (5850-12-4)

Safety information for Mordant Brown 18

Computed Descriptors for Mordant Brown 18

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