dye|World dye variety

Name:C.I.Mordant Blue 55,C.I.43835

Molecular Structure: triarylmethane class

C.I.Mordant Blue 55,C.I.43835,CAS 10143-02-9,469.83,C23H16ClNO8,Chromal Blue G

Molecular Formula:C₂₃H₁₆ClNO₈

Molecular Weight: 469.83

CAS Registry Number:10143-02-9

Manufacturing Methods : 2-Hydroxy-3-methylbenzoic acid with the 2,6-Dichloro-3-nitrobenzaldehyde condensation, the product oxidation and changed into sodium salt.

Properties and Applications: brilliant green blue. Soluble in water for brown light yellow, slightly soluble in alcohol. In concentrated sulfuric acid to blue light red, red precipitation after dilution. Dye aqueous solution to join sodium hydroxide as 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- blue.

List of Suppliers:

Chromal Blue G( Geigy Co. Ltd )