Add time:07/25/2019         Source:sciencedirect.com

The vapor pressures and vaporization enthalpies of dibenzofuran, (−) Ambroxide™ and GALAXOLIDE (cas 1222-05-5)™ are evaluated by correlation gas chromatography. (−) Ambroxide™ and Galaxolide™ are important commercial products, the latter of which has been the subject of some controversy regarding its impact on the environment. All are cyclic ethers. Dibenzofuran, with established literature values was chosen to evaluate the effectiveness of using hydrocarbons to evaluate both vaporization enthalpies and liquid vapor pressures of simple ethers. Vaporization enthalpy results on dibenzofuran are consistent with the literature value. Current results suggest that hydrocarbons can also be employed to successfully evaluate both liquid vapor pressures and vaporization enthalpies at ambient temperatures for substances for this class of compounds if suitable standards are unavailable.

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