伏虫隆原料生产伏虫隆一件******
价格:300.00
伏虫隆伏虫隆原料生产伏虫隆|一件******伏虫隆Teflubenzuron白色结晶Whitecrystal0.98库房通风低温干燥;与食品原料分开储运Ventilationandlowtemperaturedrying;separatestorageandtransportationwithfoodrawmaterials"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""CASno.:83121-18-0Englishname:TeflubenzuronEnglishsynonyms:dart;MK139;HOE522;Cme134;NEMOLT;NOMOLT;Diaract;Cme13406;TEFLURON;TerfluronChinesename:fluorinebenzeneureaEnglishsynonyms:fourfluorineurea;Fulong;Farmer'sdreams;Vinsectlong;Fluorinebenzeneurea;Vwormurea/fluorinebenzeneurea;Fluorinebenzeneurea(analysisstandard,99%(HPLC));Fluorinebenzeneurea(analysisstandard,98%(HPLC));1-(3,5-dichloro-2,4-2fluorinatedphenyl)-3-(2,6-2fluorobenzeneformyl)ureaMolecularformula:C14H6Cl2F4N2O2Molecularweight:381.11Storageconditi***:0to6°CChemicalpropertiesRefinementiswhitecrystal.M.p.223~225℃(222.5℃)technical,vaporpressure0.8x10to9pa(20℃),relativedensity1.68(20℃).20to23℃whensolubility:dimethylsulfoxide66g/L,cyclohexanone20g/L,acetone10g/L,ethanolis1.4g/L,toluene850mg/L,hexane50mg/L,0.02mg/Lomtemperaturestoragestability,when50℃,hydrolysishasahalf-lifeof5d(pH7),4h(pH9),thesoilhalf-life2~6weeks.useFluorinebenzoylureainsectgrowthregulator,isashellpolysaccharideenzymeinhibitors,inhibittheformationofchitin.Throughthenormalmoultinganddevelopmentoflarvaecontrol,toachievethegoalofpeciallythehighactivityofavarietyoflepidopterapests,forotheraleyrodidae,diptera,hymenoptera,coleopterainsectlarvaealsohasgoodeffect,formanyparasiticinsects,predatoryinsectsandspidersaremainlyusedforvegetables,fruittrees,cotton,tea,andsoon,suchasthecaterpillar,plutellaxylostellaintheegghatchingstageto1~2instarsChengFaperiod,with5%oilof2000~4000timesliquidspray.Fororganophosphorusandpyrethroidresistanceofplutellaxylostella,beetarmyworm,themoth,theegghatchingstageto1~2instarsChengFaperiodwith5%oilof1500~3000timesliquidspray.Ofcottonbollworm,pinkbollwormeggshatchinthesecondandthirdgenerationstagewith5%oilof1500~2000timesliquidspray,medicineafterabout10dinsecticidaleffectofmorethan85%.StorageandtransportpropertiesVentilatedwarehousetemperaturedrying;Separatedfromfoodrawmaterialstorageandtransportation"***C14H6Cl2F4N2O2381.11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。)
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