dye|World dye variety

Name:C.I.Mordant Green 22,C.I.45510

Molecular Structure: Xanthene class

C.I.Mordant Green 22,C.I.45510,CAS 10290-07-0,346.29,C20H10O6,Coerylein

Molecular Formula:C₂₀H₁₀O₆

Molecular Weight: 346.29

CAS Registry Number:10290-07-0

Manufacturing Methods : the Gallic acid (or Benzene-1,2,3-triol) and Phthalic anhydride in 190 ~ 200 ℃, then reactions and concentrated sulfuric acid heated to 200 ℃ or so,Then transformed insoluble mordanting Gallic acid green  a water-soluble bisulfite compound.

Properties and Applications: deep green. Slightly soluble in water for deep green light brown, soluble in hot ethanol for Copenhagen blue. In concentrated sulfuric acid to dark brown, dilution after green black.

List of Suppliers:

Coerylein( Farbwerke vorm. Meister Lucius &Brtining )