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Ethion

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Title: Ethion  
Author: World Heritage Encyclopedia
Language: English
Subject: Ethoprop, Methidathion, Omethoate, Chlorethoxyfos, Dicrotophos
Collection: Anticholinesterases, Organophosphate Insecticides, Phosphorodithioates
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Ethion

Ethion
Skeletal formula of ethion
Ball-and-stick model of the ethion molecule
Names
IUPAC name
O,O,O′,O′-Tetraethyl S,S′-methylene bis(phosphorodithioate)
Other names
Diethion;[(Dethoxyphosphinothioylthio)methylthio]-diethoxy-thioxophosphorane
Identifiers
 Y
ChEBI  Y
ChemSpider  Y
Jmol-3D images Image
KEGG  Y
PubChem
UNII  Y
Properties
C9H22O4P2S4
Molar mass 384.48 g/mol
Appearance Colorless to amber-colored, odorless liquid
Density 1.22 g/cm3
Melting point −12.2 °C (10.0 °F; 261.0 K)
Boiling point 150 °C (302 °F; 423 K) (decomposes)
0.0001% (20°C)[1]
Vapor pressure 0.0000015 mmHg (20°C)[1]
Hazards
Main hazards Combustible[2]
Flash point 176.1 °C (349.0 °F; 449.3 K)
US health exposure limits (NIOSH):
PEL (Permissible)
none[1]
REL (Recommended)
TWA 0.4 mg/m3 [skin][1]
N.D.[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 Y  (: Y/N?)

Ethion (C9H22O4P2S4) is an insecticide. Ethion is known to affect a neural enzyme called acetylcholinesterase and prevent it from working.

Review

Ethion was one of many substances that was approved for use based on data from

  1. ^ a b c d e "NIOSH Pocket Guide to Chemical Hazards #0257".  
  2. ^ CDC - NIOSH Pocket Guide to Chemical Hazards
  3. ^ "Pesticide Residues in Food", Data and recommendations of the joint meeting of the FAO Panel of Experts on Pesticide Residues in Food and the Environment and the WHO Expert Group on Pesticide Residues, Rome: Food and Agriculture Organization of the United Nations, 2 December 1982, retrieved 2012-07-16 

References

[3]

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