Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Green 47,C.I.59825

Molecular Structure: fused ring

C.I.Pigment Green 47,C.I.59825,516.54,C36H20O4,Paradone Jade Green 64978

Molecular Formula:C₃₆H₂₀O₄

Molecular Weight: 516.54

CAS Registry Number:

Manufacturing Methods :(a)  in 1-Nitrobenzene  will Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione oxidation products were methylated, and pigmentation (b) 2-Methoxy-7H-benzo[de]anthracen-7-one with Potassium hydroxide to alkali fusion, and pigment change; (C) The 7H-benzo[de]anthracen-7-one using manganese dioxide oxidation in sulfuric acid and then condensed with potassium hydroxide ethanol solution, and then methylated and pigmentation; (d)16,17-Dihydroxyviolanthrone methylation, and pigmentation.

Properties and Applications:brilliant green. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, slightly soluble in Acetone, 2 – Chlorophenol, Nitrobenzene, thermal Azabenzene, not soluble in ethanol, Chloroform and Toluene. In concentrated sulfuric acid for the red light purple, green precipitation after dilution, In the basic insurance powder solution for blue; In the acidic insurance powder solution for brilliant red. Same chemical structure C.I.Vat Green 1.

List of Suppliers:

Paradone Jade Green 64978(Holliday L B & Co Ltd)