Ethion information

Ethion
Names
	IUPAC name O,O,O′,O′-Tetraethyl S,S′-methylene bis(phosphorodithioate)
	Other names Diethion;[(Dethoxyphosphinothioylthio)methylthio]-diethoxy-thioxophosphorane
Identifiers
CAS Number	563-12-2 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:38663 ;
ChemSpider	3171 ;
ECHA InfoCard	100.008.403
KEGG	C18725 ;
PubChem CID	3286;
UNII	2TI07NO12Y ;
CompTox Dashboard (EPA)	DTXSID2024086 ;
	InChI InChI=1S/C9H22O4P2S4/c1-5-10-14(16,11-6-2)18-9-19-15(17,12-7-3)13-8-4/h5-9H2,1-4H3 Key: RIZMRRKBZQXFOY-UHFFFAOYSA-N ; InChI=1/C9H22O4P2S4/c1-5-10-14(16,11-6-2)18-9-19-15(17,12-7-3)13-8-4/h5-9H2,1-4H3 Key: RIZMRRKBZQXFOY-UHFFFAOYAJ;
	SMILES S=P(SCSP(=S)(OCC)OCC)(OCC)OCC;
Properties
Chemical formula	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; 260.9 K)
Boiling point	150 °C (302 °F; 423 K) (decomposes)
Solubility in water	0.0001% (20 °C)
Vapor pressure	0.0000015 mmHg (20 °C)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Combustible
Flash point	176.1 °C (349.0 °F; 449.2 K)
	NIOSH (US health exposure limits):
PEL (Permissible)	none
REL (Recommended)	TWA 0.4 mg/m3 [skin]
IDLH (Immediate danger)	N.D.
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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

^ ^a ^b ^c ^d ^e NIOSH Pocket Guide to Chemical Hazards. "#0257". National Institute for Occupational Safety and Health (NIOSH).
^ CDC - NIOSH Pocket Guide to Chemical Hazards

[PGCH-1] NIOSH Pocket Guide to Chemical Hazards. "#0257". National Institute for Occupational Safety and Health (NIOSH).

[2] CDC - NIOSH Pocket Guide to Chemical Hazards

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Names


IUPAC name O,O,O′,O′-Tetraethyl S,S′-methylene bis(phosphorodithioate)
Other names Diethion;[(Dethoxyphosphinothioylthio)methylthio]-diethoxy-thioxophosphorane
Identifiers
CAS Number	563-12-2^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:38663^Y
ChemSpider	3171^Y
ECHA InfoCard	100.008.403
KEGG	C18725^Y
PubChem CID	3286
UNII	2TI07NO12Y^Y
CompTox Dashboard (EPA)	DTXSID2024086
InChI InChI=1S/C9H22O4P2S4/c1-5-10-14(16,11-6-2)18-9-19-15(17,12-7-3)13-8-4/h5-9H2,1-4H3^Y Key: RIZMRRKBZQXFOY-UHFFFAOYSA-N^Y InChI=1/C9H22O4P2S4/c1-5-10-14(16,11-6-2)18-9-19-15(17,12-7-3)13-8-4/h5-9H2,1-4H3 Key: RIZMRRKBZQXFOY-UHFFFAOYAJ
SMILES S=P(SCSP(=S)(OCC)OCC)(OCC)OCC
Properties
Chemical formula	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; 260.9 K)
Boiling point	150 °C (302 °F; 423 K) (decomposes)
Solubility in water	0.0001% (20 °C)^[1]
Vapor pressure	0.0000015 mmHg (20 °C)^[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Combustible^[2]
Flash point	176.1 °C (349.0 °F; 449.2 K)
NIOSH (US health exposure limits):
PEL (Permissible)	none^[1]
REL (Recommended)	TWA 0.4 mg/m³ [skin]^[1]
IDLH (Immediate danger)	N.D.^[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references