The photodecomposition of bromacil

  • Kenneth W. Moilanen
  • Donald G. Crosby


The action of sunlight on dilute (1–10 ppm) aqueous solutions of the herbicide bromacil (5-bromo-3-sec-butyl-6-methyluracil) resulted in the formation of only one detectable photoproduct, 5-bromo-6-methyluracil, in very low yield. The almost quanitative recovery of starting material, even after prolonged periods of irradiation, indicated that bromacil was very stable toward sunlight. TheN-dealkylated photoproduct proved to be much less stable toward sunlight wave-lengths, forming principally 6-methyluracil. No 5-bromouracil was detected.


Aqueous Solution Photodecomposition Bromacil 
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Copyright information

© Springer-Verlag New York Inc. New York Inc. 1974

Authors and Affiliations

  • Kenneth W. Moilanen
    • 1
  • Donald G. Crosby
    • 1
  1. 1.Department of Environmental ToxicologyUniversity of CaliforniaDavis

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