Heats of Combustion of Fatty Acids and Fatty Acid Esters was written by Levine, Felicia;Kayea, Ronald V. III;Wexler, Robert;Sadvary, D. J.;Melick, Cory;La Scala, John. And the article was included in Journal of the American Oil Chemists’ Society in 2014.Synthetic Route of C12H22O4 This article mentions the following:
The military uses JP-8, a kerosene type hydrocarbon, to fuel most of its vehicles and is seeking a renewable alternative fuel that meets strict JP-8 specifications. Biodiesel is typically a mixture of different alkyl esters produced from the transesterification of triglycerides readily available in plant oils and used cooking oil. To date, no traditional biodiesel meets the requirements for heat of combustion, f.p., viscosity and oxidative stability to be a stand-alone replacement for JP-8. This work is a fundamental survey of the heat of combustion of single fatty acid esters and a predictive model for estimating the heat of combustion given a known mol. structure. The gross heat of combustion of various C6-C18 fatty acids and the Me, Pr and iso-Pr esters of these fatty acids was measured. This study sought to relate the effect of chain length, degree of unsaturation and branching to the critical fuel property of the gross heat of combustion (Hc). It was found that Hc (kJ/g) increased with chain length. A nearly linear relationship was found between wt% carbon and hydrogen, and Hc. Group contribution models previously published for hydrocarbons and polymers were modified to more accurately predict the heat of combustion of the fatty acids and esters. Modification of the molar heat values of carboxylic acid, Me, and methylene groups improved correlation of the model with the exptl. results. In the experiment, the researchers used many compounds, for example, Dimethyl decanedioate (cas: 106-79-6Synthetic Route of C12H22O4).
Dimethyl decanedioate (cas: 106-79-6) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Synthetic Route of C12H22O4
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics