tetraethyl pyrophosphate

noun

, Chemistry.

1. a colorless to amber, hygroscopic, poisonous liquid, (C 2 H 5 ) 4 P 2 O 7 , used as an insecticide and as a rodenticide.

Example Sentences

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 Project Gutenberg

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

From Project Gutenberg