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3,7-DIMETHYL-1-OCTANOL Basic information
3,7-DIMETHYL-1-OCTANOL Chemical Properties
  • Melting point:-1.53°C (estimate)
  • Boiling point:98-99 °C9 mm Hg(lit.)
  • Density 0.828 g/mL at 20 °C(lit.)
  • vapor density 5.4 (vs air)
  • vapor pressure <0.01 mm Hg ( 20 °C)
  • refractive index n20/D 1.436(lit.)
  • FEMA 2391 | 3,7-DIMETHYL-1-OCTANOL
  • Flash point:203 °F
  • form Liquid
  • pka15.13±0.10(Predicted)
  • color Clear colorless
  • JECFA Number272
  • BRN 1719638
  • CAS DataBase Reference106-21-8(CAS DataBase Reference)
  • EPA Substance Registry System1-Octanol, 3,7-dimethyl- (106-21-8)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 23-26-36
  • RIDADR UN 3082 9 / PGIII
  • WGK Germany 1
  • RTECS RH0900000
  • HS Code 29051990
3,7-DIMETHYL-1-OCTANOL Usage And Synthesis
  • Chemical PropertiesTetrahydrogeraniol has been identified in citrus oils and is a colorless liquid with a waxy, rose-petal-like odor. It is prepared by hydrogenation of geraniol or citronellol in the presence of a nickel catalyst and is a by-product in the synthesis of citronellol from geraniol or nerol. Because of its stability, it is often used to perfume household products.
  • Chemical Properties3,7-Dimethyl-1-octanol has a sweet, rosy odor and bitter tas
  • Chemical PropertiesClear colorless liquid
  • PreparationUsually prepared by hydrogenation of geraniol, citronellol or citronellal.
  • Production Methods3,7-Dimethyl-1-octanol is commercially produced by the reduction of geraniol or by the reduction of citronellol, citronellal, or citral. It is used in fragrances and in foods.
  • Aroma threshold valuesAroma characteristics at 1%: fresh fatty, waxy, soapy, aldehydic citrus with lemon, lime and orange nuances. It has rosy and green woody notes
  • Taste threshold valuesTaste characteristics at 1 to 10 ppm: fatty, waxy, soapy with floral rosy and fresh citrus-woody nuances. Natural occurrence: Reported found in lemon, lemon peel oil and thyme; corresponds to the dl-form of dihydro-citronellol.
  • Safety ProfileModerately toxic by skin contact. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
3,7-DIMETHYL-1-OCTANOL Preparation Products And Raw materials
3,7-DIMETHYL-1-OCTANOL(106-21-8)Related Product Information
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