Phorate

Phorate

Phorate

Chemical compound

Phorate is an organophosphate used as an insecticide and acaricide.

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Overview

At normal conditions, it is a pale yellow mobile liquid poorly soluble in water but readily soluble in organic solvents. It is relatively stable and hydrolyses only at very acidic or basic conditions. It is very toxic both for target organisms and for mammals including humans. It inhibits acetylcholinesterase and butyrylcholinesterase.[3]

Phorate is most commonly applied in granular form. It is non-biocumulative and has no residual action. But some metabolites may persist in soil. It also damages some seeds.[3]

Toxicity

Phorate (Thimate) is absorbed readily through all ways. Its toxicity is high. Oral LD50 to rats is 1.1 – 3.2 mg/kg, to mice 3.5 – 6.5 mg/kg (technical phorate). Similar values has been found out to birds.[3]

References

  1. [1]
    NIOSH Pocket Guide to Chemical Hazards. "#0502". National Institute for Occupational Safety and Health (NIOSH).
  2. [2]
    Farm Chemicals Handbook, Meister Publishing Co., Willoughby, OH (1991)
  3. [3]
    "Data sheets on pesticides No. 75 – Phorate". Archived from the original on 2014-07-02. Retrieved 2011-07-31.
  • Phorate in the Pesticide Properties DataBase (PPDB)
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