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Title: Dioxathion  
Author: World Heritage Encyclopedia
Language: English
Subject: Chlorethoxyfos, Dicrotophos, Ethoprop, Propoxur, Fenamiphos
Collection: Anticholinesterases, Dioxanes, Organophosphate Insecticides, Pesticides, Phosphorodithioates
Publisher: World Heritage Encyclopedia


CAS number  YesY
ChemSpider  YesY
Jmol-3D images Image 1
Molecular formula C12H26O6P2S4
Molar mass 456.2 g/mol
Appearance Thick reddish-brown liquid/powder, garlic odor
Density 1.26 g/cm3
Melting point −20 ºC
Solubility in water Insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY   YesY/N?)

Dioxathion, pesticide. It is used as an insecticide on livestock and as an acaricide on citrus fruits, deciduous fruits and nuts.


Under the trade name Delnav, it can be used to control insects and mites on apples, pears, quince, grapes, and walnuts, and finds use in the control of ticks, horn flies, lice and sheep keds in various livestock, either as a spray or as a dip. Under the trade name Deltic, it is a restricted use pesticide for exterior control of fleas, ticks and mites, in kennels, dog houses, yards, and other recreational areas.


Dioxathion is an carbamates, may be at an increased risk. There are no known carcinogenic or reproductive effects, but long term exposure may result in nerve damage, poor motor coordination, and personality changes of anxiety, depression or irritability.

Short-term effects may include irritation to the organophosphate poisoning.

Dioxathion must be stored away from alkalis, iron, tin and strong acids. Contact can be avoided by using protective clothing and eyeware. If poisoning occurs, a physician may administer atropine sulfate, or pralidoxime in case of severe poisoning.


  • New Jersey Dept of Health and Senior Services - Hazardous Substance Fact Sheet
  • CDC - NIOSH Pocket Guide to Chemical Hazards
  • Spectrum Laboratories Chemical Fact Sheet
  • Compendium of Pesticide Common Names
  • Cornell University Pesticide Management Education Program
  • Safety Information Resources, Inc. International Chemical Safety Cards
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