理化性质工业品纯度94-96%时,为黄色油状液体,有芳香气味;纯度降低则带有蒜臭味.不溶于水,能溶于大多数有机溶剂.在酸性和中性介质中稳定;遇碱易分解. 毒理与毒性对高等动物的毒理与其它有机磷农药相似,主要是影响胆碱脂酶的活性,而使乙酰胆碱过量累积,精神疲劳过度而麻痹中毒死亡.对大白鼠口服致死中量LD_(50)为198毫克/公斤.具有胃毒和触杀作用. 剂型 1.5%和3%粉剂,50%乳油,90%原油. Physical and chemical properties of industrial purity of 94-96%, yellow oily liquid, aromatic smell; lower purity with garlic odor. Insoluble in water, soluble in most organic solvents. In acidic and neutral medium stability; Toxicity and toxicity of toxic alkali toxicity of higher animals and other organophosphorus pesticides similar to mainly affect the activity of cholinesterase, leaving the excessive accumulation of acetylcholine, mental fatigue and paralysis poisoning death. Oral administration of rats The lethal LD_ (50) was 198 mg / kg with stomach poisoning and contact toxicity. Formulation 1.5% and 3% powder, 50% EC, 90% crude.