二氯苯醚菊酯(以下简称“二氯”),系一新的人工合成除虫菊。1973年首先由英国报道,1975年我国也研究成功。它对人畜安全,大白鼠口服 LD_(50)为2,370毫克/公斤,比敌百虫(大白鼠口服 LD_(50)460毫克/公斤)还低得多,无致癌、致畸、致突变作用,不引起环境污染,药效试验表明,它对蚊蝇、蟑螂及多种农业害虫有优良药效,是一效果良好的卫生杀虫剂,现将该药的用法、药效及使用中的注意事项等,介绍如下:一、用于灭头虱(一)Ⅰ号灭头虱洗剂配制将“二氯”1克(以有效成分计),加95%酒精10毫升,再加稍许(约2毫升)丙酮助溶,然后慢慢加入海鸥牌洗涤剂(其他类 Permethrin (hereinafter referred to as “dichloro”), a new synthetic pyrethrum. First reported in Britain in 1973, in 1975 China also studied successfully. Its safety to human and animals, oral LD_ (50) 2,370 mg / kg, trichlorfon (oral LD_ (50) 460 mg / kg) is much lower, no carcinogenic, teratogenic and mutagenic effects, Does not cause environmental pollution, efficacy tests show that it has good efficacy on mosquitoes, cockroaches and a variety of agricultural pests, is a good effect of health insecticides, now the drug usage, efficacy and use of the attention Matters, etc., are described below: First, for the head lice (a) No. l anti-head lice lotion Preparation of the “dichloro” 1 gram (in active ingredients), add 95% alcohol 10 ml, 2 ml) acetone, and then slowly add seagull brand detergent (other types