dye|World dye variety

Name:C.I.Mordant Green 21,C.I.43845

Molecular Structure: triarylmethane,Single azo class

C.I.Mordant Green 21,C.I.43845,625.03,C33H25ClN4O7,Chromoxane Green FF

Molecular Formula:C₃₃H₂₅ClN₄O₇

Molecular Weight: 625.03

CAS Registry Number:

Manufacturing Methods : 5-Amino-2-chlorobenzaldehyde (1 Moore)  and 2-Hydroxy-3-methylbenzoic acid  (2 Moore) condensation, its product diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, again will azo compound with Nitrosylsulfuric acid in oxidation.

Properties and Applications:  yellow green. Soluble in water for golden yellow, soluble in ethanol for olive yellow brown. In concentrated sulfuric acid for red orange, dilution after light golden brown.

List of Suppliers:

Chromoxane Green FF Bayer Group )