Abstract
THE shortage of nicotine for use as an insecticide has stimulated the search for suitable substitutes. One of the organic phosphorus insecticides called hexanthyltetraphosphate (H.E.T.P.) seemed to fulfil man of the requirements ; but more recent research has indicated that tetraethyl pyrophosphate (T.E.P.P.) is responsible for at least the major part of the insecticidal activity of hexaethyltetraphos-phate, and that an insecticide containing a high percentage of this material was desirable. Messrs. Albright and Wilson have now available an insecticide containing 40 per cent tetraethyl pyrophosphate as compared with the 20 per cent contained in so-called hexaethyltetraphosphate. They are issuing a brochure describing the properties of this material and its use as an insecticide.
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POTTER, C. Tetraethyl Pyrophosphate as an Insecticide. Nature 163, 379 (1949). https://doi.org/10.1038/163379a0
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DOI: https://doi.org/10.1038/163379a0