tetraethyl pyrophosphate

American  

noun

Chemistry.

1. a colorless to amber, hygroscopic, poisonous liquid, (C 2 H5 ) 4 P 2 O 7 , used as an insecticide and as a rodenticide.

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Example Sentences

Several organic phosphorus compounds, including hexaethyl tetraphosphate, tetraethyl pyrophosphate, and parathion, have also been developed.

From Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 by Northern Nut Growers Association

Residues of hexaethyl tetraphosphate and tetraethyl pyrophosphate persist for only a short time and residues of parathion drop to a low level within 10 to 14 days after application.

From Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 by Northern Nut Growers Association