Pyridaben

【molecular formula】:C₁₉H₂₅ClN₂OS
【molecular weight】:293.5
【CAS Number】:96489-71-3
【Physicochemical Properties】:The pure product is white crystal.Density(d420):1.1Melting point:111-112℃;Vapour pressure:2.5*10-4Pa.The solubility separately is 43.0g/L,148g/L,39g/L,5.7g/L in acetone,chloroform,ditoluene,alcohol at 25℃.It isn't easy dissolved in water.It's stable when PH is betten 4-9 and won't resolved within three months(at 50℃),but it will be resolved gradually when meeting light.It's a medium-toxin on mammal. For big white rat,the acute oral(LD50) is 435mg/kg(male) and 350mg/kg(female).It's a low-toxin on birds,has a higher-toxin on fish and is non-chronic toxicity.
【Quality standard】:

Items	Index
Appearance	white crystal
Purity≥%	95.0min
Acidity≤%	0.3max
Moisture≤%	1.0max

【Package】:25kg/bag or drum
【Use】:It's high-effective,broad-spectrum miticide,and also is high-effective for mites that are in different birth perior,such as ovum;young mite;mymph mite and adult mite.It's a good contact insecticide and non-absorbing through insidel;conduction and transpiration,is non-mutual resistance to the grape;tomato;tea;cucumber;watermelon etc.,and prevent & cure of panonuchus citri;eotetranychus pomi;oligonychus;tarsonemus pallidus;aculops,and also for insects that belong to Homoptera & thysanoptera(such as small brownplanthopper;cotton aphid;thrips;white-backed rice plantthopper etc).