Product name: 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.