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Molecular Structure:

Product description: Solvent Yellow 33 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: 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. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO General 160 180≥160 Sublimation Insoluble No change No change Performance & Applications: Product name Color Index no. Chemical type Color tone Melting point℃ Bulk density（g/ml/） Fastness Specification Concentration of coloring PS Dyes TiO2 Light fastness Heat fastness /% /% (℃/5min) Lemon Yellow 6G Solvent Yellow 33 Quinolines Bright Greenish Yellow 230 0.180 0.2 0 5-6 300 Used for alcohol soluble paint, polyethylene, polycarbonate, polyamide and acrylic acid resin, color cosmetics. Applications PS HIPS ABS PC RPVC PMMA SAN AS PA6 PET ★ ○ ○ ○ ○ ○ ○ ○ △ — ★ Suitable? ? ?○ Suitable with restrictions? ? ?△ Not recommended? ? ?- Not Test Note: The above technical data is only used for reference. The application, use and process of the products provided by our company, are not controlled by our company, we hope that the user should test the goods before mass use to verify whether Suitable for the process and use of your products.