Dioxathion, systematically known as p-dioxane-2,3-diyl ethyl phosphorodithioate, is an organophosphate pesticide. It is used as an insecticide on livestock and as an acaricide on citrus fruits, deciduous fruits and nuts.

CAS：78-34-2
中文别名：敌恶磷;二恶磷;
英文别名：S,S’-(1,4-dioxane-2,3-diyl) O,O,O’,O’-tetraethyl bis(phosphorodithioate);O,O,O’,O’-tetraethyl S,S’-1,4-dioxane-2,3-diyl bis(phosphorodithioate);Delnatex;Dioxation;Deltic;Dioxothion;Dioxane phosphate;Kavadel;(+-)-trans-2,3-Bis-diaethoxythiophosphorylmercapto-[1,4]dioxan;DIOXATHION;Delnav;Navadel;(3-diethoxyphosphinothioylsulfanyl-1,4-dioxan-2-yl)sulfanyl-diethoxy-sulfanylidene-λ⁵-phosphane;S,S’-1,4-dioxane-2,3-diyl bis(O,O-diethyl phosphorodithioate);Dioxathion;(+-)-trans-2,3-bis-diethoxythiophosphorylmercapto-[1,4]dioxane;dioxation;delnav;Delanov;
分子式：C12H26O6P2S4
分子量：456.539
精确质量：456.009
Psa：189.78
Logp：6.048

UNII：J2DF82JA7N

外观与性状：暗琥珀色粘性液体
密度：1.257(26/4ºC)
沸点：60 - 68ºC at 0.5 mm Hg
熔点：-20ºC
折射率：1.553
稳定性：Stable. Incompatible with strong acids, alkalies. May react with iron or tin.
储存条件：库房通风低温干燥,与食品原料分开储运

RTECS号：TE3350000
安全说明：S24/25
危险类别码：R24; R26/28; R50/53
WGK Germany：1
海关编码：29181600
危险品运输编码：3018
危险类别：6.1(a)
包装等级：I
危险品标志：T+; N