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1-OCTENE

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1-OCTENE Basic information
1-OCTENE Chemical Properties
  • Melting point:?101 °C (lit.)
  • Boiling point:122-123 °C (lit.)
  • Density 0.715 g/mL at 25 °C (lit.)
  • vapor density 3.9 (vs air)
  • vapor pressure 36 mm Hg ( 38 °C)
  • refractive index n20/D 1.408(lit.)
  • FEMA 4293 | 1-OCTENE
  • Flash point:70 °F
  • storage temp. Store below +30°C.
  • solubility Soluble in acetone, benzene, and chloroform (Weast, 1986). Miscible with alcohol, ether (Windholz et al., 1983), and many aliphatic hydrocarbons.
  • pka>14 (Schwarzenbach et al., 1993)
  • form Liquid
  • color Clear
  • Specific Gravity0.714
  • Odor Threshold0.001ppm
  • explosive limit0.7-6.8%(V)
  • Water Solubility Miscible with water, ether, alcohol and acetone.
  • Merck 14,1764
  • JECFA Number2191
  • BRN 1734497
  • Henry's Law Constant0.952 at 25 °C (Hine and Mookerjee, 1975)
  • Stability:Stable. Highly flammable. Incompatible with strong oxidizing agents, acids.
  • CAS DataBase Reference111-66-0(CAS DataBase Reference)
  • EPA Substance Registry System1-Octene (111-66-0)
Safety Information
MSDS
1-OCTENE Usage And Synthesis
  • Chemical Propertiescolourless liquid
  • Chemical PropertiesColorless, clear liquid; gasoline aroma.
  • Physical propertiesClear, colorless, flammable liquid with a mild but unpleasant hydrocarbon odor. Based on a triangle bag odor method, an odor threshold concentration of 1.0 ppbv was reported by Nagata and Takeuchi (1990).
  • UsesPlasticizer; surfactants. Used as a comonomer in the production of high density polyethylene and linear low density polyethylene. Starting material for synthesis of a variety of compounds including nananoic acid.
  • DefinitionChEBI: An octene with an unsaturation C-1.
  • Aroma threshold valuesHigh strength odor; recommend smelling in a 1.00% solution or less.
  • Synthesis Reference(s)Journal of the American Chemical Society, 93, p. 1487, 1971 DOI: 10.1021/ja00735a030
    Tetrahedron Letters, 25, p. 1283, 1984 DOI: 10.1016/S0040-4039(01)80135-0
  • General DescriptionA colorless liquid. Flash point 70°F. Insoluble in water and less dense (at about 6 lb / gal) than water. Hence floats on water. Vapors are heavier than air and may settle in depressions. Reported to biodegrade very slowly. Used in organic synthesis, surfactants, and plasticizers.
  • Air & Water ReactionsHighly flammable. Insoluble in water.
  • Reactivity Profile1-OCTENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.
  • Health HazardGenerally low toxicity. Mildly anesthetic at high vapor concentrations. May irritate eyes.
  • SourceIdentified as one of 140 volatile constituents in used soybean oils collected from a processing plant that fried various beef, chicken, and veal products (Takeoka et al., 1996).
  • Environmental FateBiological. Biooxidation of 1-octene may occur yielding 7-octen-1-ol, which may oxidize to 7- octenoic acid (Dugan, 1972).
    Photolytic. Atkinson and Carter (1984) reported a rate constant of 8.1 x 10-18 cm3/molecule?sec for the reaction of 1-octene and OH radicals in the atmosphere.
    Chemical/Physical. The reaction of ozone and OH radicals with 1-octene was studied in a flexible outdoor Teflon chamber (Paulson and Seinfeld, 1992). 1-Octene reacted with ozone producing heptanal, a thermally stabilized C7 biradical, and hexane at yields of 80, 10, and 1%, respectively. With OH radicals, only 15% of 1-octene was converted to heptanal. In both reactions, the remaining compounds were tentatively identified as alkyl nitrates (Paulson and Seinfeld, 1977). Grosjean et al. (1996) investigated the atmospheric chemistry of 1-octene with ozone and an ozone-nitrogen oxide mixture under ambient conditions. The reaction of 1-octene and ozone in the dark yielded formaldehyde, hexanal, heptanal, cyclohexanone, and a compound tentatively identified as 2-oxoheptanal. The sunlight irradiation of 1-octene with ozone-nitrogen oxide yielded the following carbonyls: formaldehyde, acetaldehyde, propanal, 2-butanone, butanal, pentanal, glyoxal, hexanal, heptanal, and pentanal.
    Chemical/Physical. Complete combustion in air yields carbon dioxide and water.
  • Purification MethodsDistil 1-octene under nitrogen from sodium which removes water and peroxides. Peroxides can also be removed by percolation through dried, acid washed, alumina. Store it under N2, or Ar in the dark. [Strukul & Michelin J Am Chem Soc 107 7563 1985, Beilstein 1 H 221, 1 II 199, 1 IV 874.]
1-OCTENE Preparation Products And Raw materials
1-OCTENE(111-66-0)Related Product Information
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