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必应染料-您身边的染料专家

Mordant Brown 18

Name:C.I.Mordant Brown 18,C.I.20150

Molecular Structure: Double azo class

C.I.Mordant Brown 18,C.I.20150,CAS 5850-12-4,515.37,515.37,C19H11N5Na2O8S,Alizarol Brown G,chrome Brown G

C.I.Mordant Brown 18,C.I.20150,CAS 5850-12-4,515.37,515.37,C19H11N5Na2O8S,Alizarol Brown G,chrome Brown G

Molecular Formula:C19H11N5Na2O8S

Molecular Weight: 515.37

CAS Registry Number:5850-12-4

Manufacturing Methods : 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

List of Suppliers:

Alizarol Brown (Classic Dyestuffs Inc)

Alizarol Brown G (Classic Dyestuffs Inc)

Bemachrome Brown G( Berncolors-Poughkeepsie Inc )


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