伏虫隆
伏虫隆原料生产 伏虫隆|一件*** ***
伏虫隆 Teflubenzuron 白色结晶 White crystal 0.98 库房通风低温干燥; 与食品原料分开储运 Ventilation and low temperature drying; separate storage and transportation with food raw materials "CAS号: 83121-18-0
英文名称: Teflubenzuron
英文同义词: dart;MK139;HOE522;cme134;NEMOLT;NOMOLT;diaract;cme13406;TEFLURON;Terfluron
中文名称: ***脲
中文同义词: 四氟脲;得福隆;农梦特;伏虫隆;***脲;伏虫脲/***脲;***脲(分析标准品,99%(HPLC));***脲(分析标准品,98%(HPLC));1-(3,5-二氯-2,4-二***基)-3-(2,6-二***甲酰基)脲
分子式: C14H6Cl2F4N2O2
分子量: 381.11
储存条件 : 0-6°C
化学性质
纯品为白色结晶。m.p.223～225℃ (原药222.5℃)，蒸气压0.8×10-9Pa(20℃)，相对密度1.68(20℃)。20～23℃时溶解度为：二甲基亚砜66g/L，***20g/L，***10g/L,乙醇1.4g/L，***850mg/L，己烷50mg/L，水0.02mg/L。常温下贮存稳定，50℃时水解半衰期为5d（pH值7）、4h(pH值9），土壤中半衰期2～6周。
用途
***甲酰脲类昆虫生长调节剂，属壳多糖酶***剂，***壳多糖的形成。通过幼虫的正常蜕皮和发育的控制，来达到杀虫的目的。对多种鳞翅目害虫活性尤高，对其他粉虱科、双翅目、膜翅目、鞘翅目害虫的幼虫也有良好的效果，对许多寄生性昆虫、捕食性昆虫及蜘蛛无效。主要用于蔬菜、果树、棉花、茶叶等作用，如对菜青虫、小菜蛾在卵孵盛期至1～2龄幼虫盛发期，用5%乳油2000～4000倍液喷雾。对有机磷、拟除虫菊酯产生抗性的小菜蛾、甜菜夜蛾、斜纹夜蛾，在卵孵盛期至1～2龄幼虫盛发期用5%乳油1500～3000倍液喷雾。对棉铃虫、红铃虫在第二、三代卵孵盛期用5%乳油1500～2000倍液喷雾，药后10d左右杀虫效果达85%以上。 储运特性
库房通风低温干燥; 与食品原料分开储运" "CAS no. : 83121-18-0
English name: Teflubenzuron
English synonyms: dart;MK139;HOE522;Cme134;NEMOLT;NOMOLT;Diaract;Cme13406;TEFLURON;Terfluron
Chinese name: fluorine benzene urea
English synonyms: four fluorine urea;Fulong;Farmer&＃39;s dreams;V insect long;Fluorine benzene urea;V worm urea/fluorine benzene urea;Fluorine benzene urea (analysis standard, 99% (HPLC));Fluorine benzene urea (analysis standard, 98% (HPLC));1 - (3, 5 - dichloro - 2, 4-2 fluorinated phenyl) - 3 - (2, 6-2 fluorobenzene formyl) urea
Molecular formula: C14H6Cl2F4N2O2
Molecular weight: 381.11
Storage conditi***: 0 to 6 ° C
Chemical properties
Refinement is white crystal.M.p. 223 ~ 225 ℃ (222.5 ℃) technical, vapor pressure 0.8 x 10 to 9 pa (20 ℃), relative density 1.68 (20 ℃).20 to 23 ℃ when solubility: dimethyl sulfoxide 66 g/L, cyclohexanone 20 g/L, acetone 10 g/L, ethanol is 1.4 g/L, toluene 850 mg/L, hexane 50 mg/L, 0.02 mg/L om temperature storage stability, when 50 ℃, hydrolysis has a half-life of 5 d (pH 7), 4 h (pH 9), the soil half-life 2 ~ 6 weeks.
use
Fluorine benzoyl urea insect growth regulator, is a shell polysaccharide enzyme inhibitors, inhibit the formation of chitin.Through the normal moulting and development of larvae control, to achieve the goal of pecially the high activity of a variety of lepidoptera pests, for other aleyrodidae, diptera, hymenoptera, coleoptera insect larvae also has good effect, for many parasitic insects, predatory insects and spiders are mainly used for vegetables, fruit trees, cotton, tea, and so on, such as the caterpillar, plutella xylostella in the egg hatching stage to 1 ~ 2 instars ChengFa period, with 5% oil of 2000 ~ 4000 times liquid spray.For organophosphorus and pyrethroid resistance of plutella xylostella, beet armyworm, the moth, the egg hatching stage to 1 ~ 2 instars ChengFa period with 5% oil of 1500 ~ 3000 times liquid spray.Of cotton bollworm, pink bollworm eggs hatch in the second and third generation stage with 5% oil of 1500 ~ 2000 times liquid spray, medicine after about 10 d insecticidal effect of more than 85%.Storage and transport properties
Ventilated warehouse temperature drying;Separated from food raw material storage and transportation" *** C14H6Cl2F4N2O2 381.11
伏虫隆是一种***，纯品为固体，对粉虱科、双翅目、蛸翅目、膜翅目、鳞翅目和木虱科的幼虫有防效。
伏虫隆原料生产 伏虫隆|一件*** ***
用途属性
【用途】
该***以30～150g(a.i.)/ha对粉虱科、双翅目、蛸翅目、膜翅目、鳞翅目和木虱科的幼虫有防效。用于甘蓝、柑橘、棉花、葡萄、仁果、马铃薯、核果、高粱、大豆、树木、***、蔬菜。它可***幼龄期昆虫的发育，阻碍脱皮。一种悬浮剂（150g/L）对许多寄生性昆虫，捕食性昆虫以及蜘蛛无作用。本品还可用于防治大多数幼龄期的飞蝗。
【制备或来源】
无水***与2,3,4,5－四氯***在无水***中于140℃反应15小时制得2，4-二氟－3，5－二氯***，然后在***中，在95～100℃用铁粉还原反应8小时，得到2，4-二氟－3，5二***胺。2，6-二***甲酰胺与草酰氯在***中回流反应5小时，得到2，6-二***甲酰异***酸酯，然后再与上述的2，4-二氟-3，5-二***胺在***中于室温下反应15小时，即制得产品。