Endothion is an organic compound used as an insecticide and acaricides. It is part of the chemical class of organophosphorus compounds. It is generally described as white crystals with a slight odor. It is used as an insecticide, but not sold in the United States or Canada.

CAS：2778-04-3
中文别名：
英文别名：Exothion;S-5-methoxy-4-oxo-4H-pyran-2-ylmethyl O,O-dimethyl phosphorothioate;ENDOTHION;Caswell No. 422;2-(dimethoxyphosphorylsulfanylmethyl)-5-methoxypyran-4-one;Endothion [ISO];Niagara 5767;Endocid;Phosphate 100;S-[(5-methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethyl phosphorothioate;Endocide;Phosphopyron;2-(Dimethoxyphosphorylmercapto-methyl)-5-methoxy-pyran-4-on;Phosphopyrone;2-dimethoxyphosphinoylthiomethyl-5-methoxypyran-4-one;2-(dimethoxyphosphorylsulfanyl-methyl)-5-methoxy-pyran-4-one;Endothion;
分子式：C9H13O6PS
分子量：280.235
精确质量：280.017
Psa：110.08
Logp：2.2825

UNII：V047DQ6B7X

密度：1.35g/cm3
沸点：411.3ºC at 760mmHg
熔点：96ºC
闪点：202.5ºC
折射率：1.518
储存条件：库房通风低温干燥,与食品原料分开储运
蒸汽压：5.65E-07mmHg at 25°C

危险类别码：R24/25
危险品运输编码：UN 2783
海关编码：2932999013
危险类别：6.1(a)
包装等级：II