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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Toxicol In Vitro. 2021 Jan 23;72:105102. doi: 10.1016/j.tiv.2021.105102

Table 1.

Organophosphate compounds, the abbreviations used in this paper and the corresponding toxicities of their parent insecticides

Organophosphate (active metabolite) Commercial Pesticide or Model Compound Rat Oral LD50 (mg/kg)
Azinphos-methyl-oxon Azinphos-methyl 12 mg/kg
Methyl paraoxon Methyl parathion 6 mg/kg
Dicapthon-oxon Dicapthon 400 mg/kg
Methyl coumaphos-oxon Model Compound NA
Paraoxon Parathion 2 mg/kg
Chlorpyrifos-oxon Chlorpyrifos 96 mg/kg
Ethyl cyanophos-oxon Model Compound NA
Ethyl ronnel-oxon Model Compound NA
Diazoxon Diazinon 1250 mg/kg
Naftalophos Naftalophos 140 mg/kg
Nitropyrifos-oxon Model Compound NA
Phoxim-oxon Phoxim 2000 mg/kg
a

LD50 values (rat oral) for the commercial organophosphates (parent compound) are presented as reported in Meister et al., 1992 or EPA, 2006. NA (not available) = LD50 values have not been determined for model compounds (experimental use only).