Solvent Yellow 4G, Solvent Yellow 33
|Min. Order (kg)||FOB Price|
|100+||US $4 / kg|
Molecular Weight: 273.29,287.31
CAS Registry Number:8003-22-3
Manufacturing Methods :
(a) 2-Methylquinoline and Phthalic anhydride in 200 ºC in the presence of Zinc chloride condensation;
(b) 2-Methylquinoline and Diethyl phthalate in the 100 ºC were hot.
(c) 3 - (2 - quinolin - ylmethylidene) - 2 - benzo [c] furanone and Sodium ethoxide in 240 ~ 250 ºC were hot.
Late dye: 2-Methylquinoline and 2,6-Dimethylquinoline Phthalic anhydride mixture and in 190 ~ 220 ºC 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.