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Piperonyl acetone

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Piperonyl acetone Basic information
Piperonyl acetone Chemical Properties
Safety Information
  • Safety Statements 22-24/25
  • WGK Germany 2
  • TSCA Yes
  • ToxicityThe acute oral LD50 value in rats was reported as 4Og/kg and the acute dermal LD50 value in rabbits exceeded 5 g/kg (Wohl, 1974).
MSDS
Piperonyl acetone Usage And Synthesis
  • Description4-(3,4-Methylenedioxyphenyl)-2-butanone has an intensely sweet, floral, slightly woody odor. May be prepared by condensation of heliotropin with acetone, followed by hydrogenation in the presence of a palladium catalyst.
  • Chemical Properties4-(3,4-Methylenedioxyphenyl)-2-butanone has an intensely sweet, floral, slightly woody odor reminiscent of raspberry, cotton candy (i.e., candy floss) with a cassie, heliotrope association.
  • OccurrenceHas apparently not been reported to occur in nature.
  • PreparationBy condensation of heliotropin with acetone, followed by hydrogenation in the presence of a palladium catalyst
  • Taste threshold valuesTaste characteristics at 40 ppm: sweet, berry-like with spicy, jamy nuances
  • MetabolismThe oxygen-aromatic carbon link of aromatic ethers is generally biologically stable, and possible metabolites include the p-hydroxy derivative of the ether, the phenol or the p-hydroxyphenol (Williams, 1959). Ketones are not readily metabolized in the body. As a derivative of 2-butanone, piperonyl acetone might be expected to be partially reduced to the secondary alcohol and excreted as the glucuronide (Williams, 1959), since Saneyoshi (1911) isolated the glucuronide of 2-butanol from the urine of rabbits receiving methyl ethyl ketone.
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