Disulfoton

Disulfoton

Names
IUPAC name O,O-Diethyl S-2-(ethylsulfanyl)ethyl phosphorodithioate
Other names O,O-Diethyl S-2-(ethylthio)-ethyl phosphorodithioate, Di-Syston, Thiodemeton
Identifiers
CAS Number	298-04-4
3D model (Jmol)	Interactive image
ChEBI	CHEBI:38661
ChEMBL	ChEMBL1332314
ChemSpider	3006
ECHA InfoCard	100.005.505
KEGG	C18400
PubChem	3118
UNII	3CY5EKL6MT
InChI InChI=1S/C8H19O2PS3/c1-4-9-11(12,10-5-2)14-8-7-13-6-3/h4-8H2,1-3H3 Key: DOFZAZXDOSGAJZ-UHFFFAOYSA-N InChI=1/C8H19O2PS3/c1-4-9-11(12,10-5-2)14-8-7-13-6-3/h4-8H2,1-3H3 Key: DOFZAZXDOSGAJZ-UHFFFAOYAD
SMILES S=P(OCC)(SCCSCC)OCC
Properties
Chemical formula	C8H19O2PS3
Molar mass	274.404
Appearance	Oily, colorless to yellow liquid
Odor	Characteristic, sulfurous[1]
Density	1.14 g/mL
Solubility in water	0.03% (22.7°C)[1]
Vapor pressure	0.0002 mmHg (20°C)[1]
Hazards
Main hazards	Toxic
Flash point	> 82 °C; 180 °F; 355 K[1]
US health exposure limits (NIOSH):
PEL (Permissible)	none[1]
REL (Recommended)	TWA 0.1 mg/m^3 [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).
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Infobox references

Disulfoton is an organophosphate acetylcholinesterase inhibitor used as an insecticide. It is manufactured under the name Di-Syston by Bayer CropScience.

The use of the substance has been restricted by the US government. Bayer, the manufacturer, exited the US market December 31, 2009.^[2]

See also

• Demeton, its phosphorothioate equivalent

References

1. "NIOSH Pocket Guide to Chemical Hazards #0245". National Institute for Occupational Safety and Health (NIOSH).
2. Environmental Protection Agency. "Restricted Use Products (RUP) Report: Six Month Summary List". Retrieved 1 December 2009.

External links

• Agency for Toxic Substances and Disease Registry: Disulfoton
• National Institute for Occupational Safety and Health: Disulfoton