Pyridaben CAS NO.96489-71-3

1. Names and Structures (1) Chinese common name:Damanling (2) English common name:PYRIDABEN (3) Chemical name:2-tert-butyl-5- (4-tert-butylbenzylth…

1. Names and Structures (1) Chinese common name:Damanling (2) English common name:PYRIDABEN (3) Chemical name:2-tert-butyl-5- (4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one (4) Structural formula: (5) Molecular formula:C19H25CLN2OS (6) Molecular weight:364.9 2. Physical and chemical properties The pure product is white crystal. Density is 1.2. Melting point is 111~112. It is not soluble in water. The solubility in acetone, chloroform, xylene, ethanol is 430, 148, 39,5.7 (g/l) at 25. It is stable at PH4~9. It will not decompose at 50 for 3 months. It will be decomposed gradually under illumination. The appearance of 15% emulsifiable cream is homogeneous phase light yellow liquid and 20 wetting powder is light white powder. 3. Toxicology Acute oral LD50 for rats is 13500mg/kg. It is non-irritant to skin and eyes (rabbits). 4. Application (1) Control of acarid such as red spiders, rusty spiders and spider mites, etc on fruit tree,cotton and vegetable. (2) Also control of homopterous and thysanoptera pests such as aleyrodids, jassids and cotton aphids, etc. 5. Product specification 95%TECH; 15%EC; 20%WP Item pyridaben 95%TC pyridaben 15%EC pyridaben 20%WP Appearance White crystal yellowish liquid Grayish white powder content 95.0 15.0 20.0 Moisture 0.5 0.5 2.5 Insolubles in acetone 0.5 Acitidy (AS H2SO4) 0.2 0.3 Free base (as NaOH) 0.1 0.1 Emulsion stability complies suspensibility % 75.0 Wetting time min 1.5 Fineness (44μ) 95.0 PH value 5.0~9.0 6. Packing TECH: Packing in 50kg iron drum EC: Packing in 200 lit iron drum WP: Packing in 25kg plastic woben bag