dye|World dye variety

Name:C.I.Solvent Orange 32,C.I.45365

Molecular Structure: Xanthene class

C.I.Solvent Orange 32,C.I.45365,CAS 3474-67-7,445.16,C20H8Cl2Na2O5

Molecular Formula:C₂₀H₈Cl₂Na₂O₅

Molecular Weight: 445.16

CAS Registry Number:3474-67-7

Manufacturing Methods : 2-Chlorobenzene-1,3-diol (1 Moore) and Phthalic anhydride (1 Moore) condensation, its product again with 2-Chlorobenzene-1,3-diol  condensation, and then into sodium salt.

Properties and Applications:orange. Slightly soluble in water for orange, with weak yellow fluorescence, soluble in ethanol for orange, with green yellow fluorescence, soluble in acetone pink, yellow fluorescence, soluble in Furan Tetrahydrofurfuryl alcohol. In concentrated sulfuric acid for titian, dilution after yellow brown, orange precipitation. Dye aqueous solution to join sodium hydroxide as red edge. In the glycerol and paraffin in good dispersibility. (dye character and C.I. 45370 similar).

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