浅黄至浅棕色(纯品为无色,市售商品一般均有色)透明油状液体。无臭或微臭。味微苦。遇光易起变化而着色。呈中性。不溶于水。与乙醇、苯等有机溶剂混溶。 沸点180℃<133.3Pa)。相对密度 1.055,折射率1.50,闪点171℃(开杯)。不溶于水,可溶于二氯二氟甲烷等大多数有机溶剂中。大鼠急性口服LD5011500mg/kg,兔急性经皮LD501880mg/kg,无致癌性。由黄樟素经催化加氢还原后,与甲醛和盐酸进行氯甲基化,再同丁氧乙氧乙醇进行醚化反应制得。
它含有灭虫菊,增效醚和石油馏出物。
It contains resmethrin, piperonyl butoxide and a petroleum distillate.
经比较,多功能九四○增效剂的增效作用优于进口的增效醚。
By comparing different synergists, we found that the synergism of multi-function synergist 940 was superior to that of imported piperonyl butoxide.
用气相色谱法定量测定了家用气雾杀虫剂中的丙烯菊酯、氯菊酯和增效醚。
A method of quantitative analysis for allethrin, permethrin and piperonyl butoxide in insecticidal aerosol for household has been studied by GC FID.
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