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Propyl propanoate (also known as propyl propionate and n-propyl propionate) is the organic compound with the molecular formula C 6 H 12 O 2. It is the ester of propanol and propionic acid. Like most esters, propyl propanoate is a colorless liquid with a fruity odor. The scent of propyl propionate is described as a chemically tinged pineapple or ...
The propionate / ˈ p r oʊ p i ə n eɪ t /, or propanoate, ion is C 2 H 5 COO −, the conjugate base of propionic acid. It is the form found in biological systems at physiological pH. A propionic, or propanoic, compound is a carboxylate salt or ester of propionic acid. In these compounds, propionate is often written in shorthand, as CH 3 CH ...
The most important resonance form of carbon monoxide is – C≡O +. An important minor resonance contributor is the non-octet carbenic structure :C=O. Carbon monoxide has a computed fractional bond order of 2.6, indicating that the "third" bond is important but constitutes somewhat less than a full bond. [20]
Esters of carboxylic acids with low molecular weight are commonly used as fragrances and found in essential oils and pheromones. Phosphoesters form the backbone of DNA molecules. Nitrate esters, such as nitroglycerin, are known for their explosive properties, while polyesters are important plastics, with monomers linked by ester moieties.
1-Propanol (also propan-1-ol, propanol, n-propyl alcohol) is a primary alcohol with the formula CH 3 CH 2 CH 2 OH and sometimes represented as PrOH or n-PrOH.It is a colourless liquid and an isomer of 2-propanol. 1-Propanol is used as a solvent in the pharmaceutical industry, mainly for resins and cellulose esters, and, sometimes, as a disinfecting agent.
Methyl propionate, also known as methyl propanoate, is an organic compound with the molecular formula CH 3 CH 2 CO 2 CH 3. It is a colorless liquid with a fruity, rum -like odor. [ 2 ]
Solid properties Std enthalpy change of formation, Δ f H o solid-763 kJ/mol Standard molar entropy, S o solid: 112.7 J/(mol K) Heat capacity, c p: 106.3 J/(mol K) at –124 °C Liquid properties Std enthalpy change of formation, Δ f H o liquid –303.0 kJ/mol Standard molar entropy, S o liquid: 192.8 J/(mol K) Enthalpy of combustion, Δ c H o ...
[25] [26] The low space-filling of 58.5% (at 90 K), due to the bad stacking properties of the molecule, is the reason for the particularly low melting point. Propane undergoes combustion reactions in a similar fashion to other alkanes. In the presence of excess oxygen, propane burns to form water and carbon dioxide.