Solvent Yellow 33

Product Name:Solvent Yellow33
Molecular Structure: Quinoline

Molecular Formula:C₁₈H₁₁NO₂,C₁₉H₁₃NO₂
Molecular Weight: 273.29,287.31
CAS Registry Number:8003-22-3
Manufacturing Methods : the dye: (a) 2-Methylquinoline and Phthalic anhydride in 200 ℃ in the presence of Zinc chloride condensation; (b) 2-Methylquinoline and Diethyl phthalate in the 100 ℃ were hot. (c) 3 – (2 – quinolin – ylmethylidene) – 2 – benzo [c] furanone and Sodium ethoxide in 240 ~ 250 ℃ were hot. Late dye: 2-Methylquinoline and 2,6-Dimethylquinoline Phthalic anhydride mixture and in 190 ~ 220 ℃ were hot.
Properties and Applications: brilliant green yellow. Insoluble in water, slightly soluble in alcohol (yellow), linseed oil, mineral oil, oleic acid, paraffin wax, stearic acid, turpentine, soluble in acetone, Chloroform, benzene and toluene. In concentrated sulfuric acid for yellow brown, dilution after yellow floc precipitation. Used for alcohol soluble paint, polyethylene, polycarbonate, polyamide and acrylic acid resin, color cosmetics.
Counter product: ABCOL Yellow SS ,KPSolve Yellow 21 ,Morplas Yellow 33
Use:It is a greenish yellow powder with good lightfastness and heat resistance. It is used in coloring plastics,medicines,wax and soaps.