Isomalathion

Isomalathion
Names
	IUPAC name diethyl 2-(methoxy-methylsulfanylphosphoryl)sulfanylbutanedioate
	Other names S-Methylmalathion
Identifiers
CAS Number	3344-12-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	82649 ;
PubChem CID	91529;
UNII	9XEP5P83AO ;
CompTox Dashboard (EPA)	DTXSID9058363 ;
	InChI InChI=1S/C10H19O6PS2/c1-5-15-9(11)7-8(10(12)16-6-2)19-17(13,14-3)18-4/h8H,5-7H2,1-4H3 Key: LPQDGVLVYVULMX-UHFFFAOYSA-N ; InChI=1/C10H19O6PS2/c1-5-15-9(11)7-8(10(12)16-6-2)19-17(13,14-3)18-4/h8H,5-7H2,1-4H3 Key: LPQDGVLVYVULMX-UHFFFAOYAO;
	SMILES CCOC(=O)CC(C(=O)OCC)SP(=O)(OC)SC;
Properties
Chemical formula	C10H19O6PS2
Molar mass	330.36 g/mol
	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

Isomalathion is an impurity found in some batches of malathion, depending on its method of preparation. It is significantly more toxic to humans than malathion, and resulted in an epidemic of human poisoning in 1976.[1]

References

Rengasamy, S.; Parmer, Balraj S. (1988). "Investigation of some factors influencing isomalathion formation in malathion products". Journal of Agricultural and Food Chemistry. 36 (5): 1025–1030. doi:10.1021/jf00083a030.

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[1] Rengasamy, S.; Parmer, Balraj S. (1988). "Investigation of some factors influencing isomalathion formation in malathion products". Journal of Agricultural and Food Chemistry. 36 (5): 1025–1030. doi:10.1021/jf00083a030.