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Mordant Brown 26

Name:C.I.Mordant Brown 26,C.I.44525

Molecular Structure: triarylmethane class

C.I.Mordant Brown 26,C.I.44525,CAS 6411-50-3,486.47,C27H22N2O7,Chromoxane Brown 5R

C.I.Mordant Brown 26,C.I.44525,CAS 6411-50-3,486.47,C27H22N2O7,Chromoxane Brown 5R

Molecular Formula:C27H22N2O7

Molecular Weight: 486.47

CAS Registry Number:6411-50-3

Manufacturing Methods : Formaldehyde and 2-Hydroxy-3-methylbenzoic acid condensation, then product in the 4-Amino-5-hydroxynaphthalene-1-sulfonic acid with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one common oxidation.

Properties and Applications: Red light brown. Soluble in water for golden orange, soluble in ethanol for red orange brown. In concentrated sulfuric acid to orange, with golden yellow after diluted. Dye aqueous solution to join strong caustic for magenta.

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

List of Suppliers:

Chromoxane Brown 5R( Bayer Group )


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