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Denatonium
Saccharide Denatonium
saccharide (DNS), or benzidlethyl methyl ammonium saccharide, is the
active ingredient for Ro-pelTM, a taste repellent for pest
animals and birds, manufactured by Burlington Biomedical and Scientific
Corp. DNS ( 0.065%) and the essential oil of thyme, thymol ( 0.035%), make
up just 0.1% of the total product in Ro-pelTM. The other 99.9%
of Ro-pelTM are inerts, which are not required to be listed by
the manufacturer. Please see ‘Pesticide Ingredients’ for information
and potential hazards associated with these unknown ingredients. Thymol
is used for fungi and bacteria control, as well as many non-pesticide uses
in cosmetics, pharmaceutical preparations, food flavorings and perfumes
(U.S. EPA 1993). DNS
is classified as a class III toxicity pesticide, on a scale of I to IV, I
being the highest toxicity class (FCH 2000). According to toxicology
studies performed by the manufacturer, 1g/kg of DNS has shown to produce
weakness, gasping and imbalance in mice. The acute oral LD50
(lethal dose for 50% of the test population) for rabbits is 1.39g/kg. It
can cause skin and eye irritation and the label instructs the user not to
spray DNS anywhere indoors (Burlington Biomedical & Scientific Corp
2000). Resources: Burlington
Biomedical & Scientific Corp. 2001. Specimen Label Ro-pelTM.
Farmingdale, NY. <www.dragonchemical.com/slanimalrodentbird.htm>. Burlington
Biomedical & Scientific Corp. 2000. Toxicology of denatonium
saccharide. Farmingdale, NY. <www.burlingtoncorp.com/s_toxicity.htm>. Farm
Chemicals Handbook 2000 (FCH).
2000. Meister Publishing Company. Willoughby, OH. U.S. EPA. 1993. Reregistration Eligibility Document: Thymol. Office of Pesticide Programs. Washington, DC. <http://www.epa.gov/oppsrrd1/REDs/index_h2z.html#T>.
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