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3-Methylbutyl 3-methylbutanoate

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3-Methylbutyl 3-methylbutanoate Basic information
3-Methylbutyl 3-methylbutanoate Chemical Properties
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36/37/39
  • WGK Germany 2
  • RTECS NY1508000
  • HS Code 2915 60 90
  • ToxicityLD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 5000 mg/kg
MSDS
3-Methylbutyl 3-methylbutanoate Usage And Synthesis
  • DescriptionIsoamyl isovalerate has a characteristic fruity odor and a sweet apple-like flavor. May be prepared by passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper uranium based catalyst at 240 - 280°C in the presence of hydrogen.
  • Chemical PropertiesIsoamyl isovalerate has a fruity, sweet, apple, apricot, mango-characteristic fruity odor and sweet-apple-like flavor.
  • OccurrenceReported found in the ether oil from leaves of Eucalyptus microcorys, angelica root oil and mastic gum leaf and fruit oils. Also reported in wine, oil of hop, olive oil, banana, tomato, peppermint and spearmint oil, beer, rum, whiskies, cider, sherry, plum, quince, cherimoya and lamb’s lettuce.
  • UsesAs apple essence for flavoring liqueurs and candy.
  • PreparationBy passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper–uranium-based catalyst at 240 to 280°C in the presence of hydrogen
  • Aroma threshold valuesDetection: 20 ppb; aroma characteristics at 1.0% in ethanol: sweet, fruity, green apple and estry.
  • Taste threshold valuesTaste characteristics at 15 ppm: green, fruity, estry, apple, pineapple and tutti-frutti
  • Synthesis Reference(s)The Journal of Organic Chemistry, 52, p. 4319, 1987 DOI: 10.1021/jo00228a032
3-Methylbutyl 3-methylbutanoate Preparation Products And Raw materials
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