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Mass spectrum of propoxur


White, odorless crystalline powder. Propoxur is a carbamate Insecticide commonly used to kill cockroaches. It is also used in flea and tick collars. Propoxur is fast acting and has a good residual effect (5 days).



Chemical structure


Synonyms and Related Terms

PHC; o-isopropoxy phenyl methyl carbamate; Baygon [Mobay]; Raid®; Blattanex; Bolfo; Invisi-Gard; Isocarb; o-IMPC; Propyon; Rhoden; Sendran; Suncide; Tendex; Tugon Fliegenkugel; Unden; Undene


  • Toxic by ingestion, inhalation and skin absorption. LD50=90-128 mg/kg
  • Decomposes to form methyl isocyanate.
  • May stain fabrics, plastics, paper and rubber.

Physical and Chemical Properties

Soluble in most polar solvent. Slight soluble in water. Unstable in alkaline media.

Composition (CH3)2CHOC6H4OOCNHCH3
CAS 114-26-1
Melting Point 91.5 C
Molecular Weight mol. wt. = 209.2

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8022
  • Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
  • G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991
  • J. Dawson, CCI Technical Bulletin, 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002