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Mordant Blue 42

Name:C.I.Mordant Blue 42,C.I.44100

Molecular Structure: triarylmethane class

C.I.Mordant Blue 42,C.I.44100,CAS 6247-24-1,660.54,C27H18Na2O13S2

C.I.Mordant Blue 42,C.I.44100,CAS 6247-24-1,660.54,C27H18Na2O13S2

Molecular Formula:C27H18Na2O13S2

Molecular Weight: 660.54

CAS Registry Number:6247-24-1

Manufacturing Methods : Formaldehyde and 2-Hydroxy-3-methylbenzoic acid condensation, its product in Nitrosylsulfuric acid Disodium with 3-Hydroxynaphthalene-2,7-disulfonic acid common oxidation.

Properties and Applications: brilliant navy blue. Soluble in water into wine red, soluble in ethanol for red wine. In concentrated sulfuric acid to dark purple, dilution for red wine. Dye aqueous solution to join sodium hydroxide as purple.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4 5-6 4 4 5 4 5

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