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甲胺磷对家蝇胆碱酯酶的抑制I_(50)为3.9×10~(-5)克分子,大白鼠经口LD_(50)为18.9毫克/公斤。皮肤接触甲胺磷1小时后,接触部位发红,水肿,3小时后出现弥漫性出血点,有的融合成紫斑。在甲胺磷的合成生产和包装过程中,误吸入甲胺磷蒸气或因皮肤接触甲胺磷原油(或乳油)而中毒的患者,在临床上却很少出现典型的有机磷农药中毒的症状,如:肌肉震颤、瞳孔缩小,出现头痛、头晕、厌食,剧烈呕吐、胸闷、心悸,随着中毒的加重可以出现心律不齐及期前收
Methamidophos on Housefly cholinesterase inhibition I_ (50) of 3.9 × 10 -5 molecules, the rat oral LD_ (50) of 18.9 mg / kg. Methadaplatin 1 hour after the skin contact, contact parts of redness, edema, diffuse bleeding after 3 hours point, and some fusion into purple spots. In the synthetic production and packaging of methamidophos, patients who were mistakenly inhaled with methamidophos vapor or who had been poisoned by dermal exposure to methamidophos (or cream) had few clinical signs of typical organophosphorus pesticide poisoning , Such as: muscle tremors, miosis, headache, dizziness, anorexia, severe vomiting, chest tightness, palpitations, with increased poisoning can occur arrhythmia and pre-term income