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Propyl benzoate has a nutty odor and sweet fruity or nut-like taste, and as such, it is used as a synthetic flavoring agent in foods. It also has antimicrobial properties and is used as a preservative in cosmetics. It occurs naturally in the sweet cherry and in clove stems, as well as in butter. [2] [3]
Benzyl benzoate can be a skin irritant when used as a topical scabicide. [7] Overdose can result in blistering and hives or a rash can occur as an allergic reaction. [12] [13] As an excipient in some testosterone-replacement injectable medications, benzyl benzoate has been reported as a cause of anaphylaxis in a case in Australia. [14]
It is a colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents. Isoamyl acetate has a strong odor which is described as similar to both banana and pear. [3] Pure isoamyl acetate, or mixtures of isoamyl acetate, amyl acetate, and other flavors in ethanol may be referred to as banana oil [4] or pear oil ...
At higher concentrations the odor can be unpleasant and may cause symptoms of central nervous system depression such as nausea, dizziness and headache. A common method for preparing isobutyl acetate is Fischer esterification , where precursors isobutyl alcohol and acetic acid are heated in the presence of a strong acid.
The efficacy of benzoic acid and benzoate is thus dependent on the pH of the food. [24] Benzoic acid, benzoates and their derivatives are used as preservatives for acidic foods and beverages such as citrus fruit juices ( citric acid ), sparkling drinks ( carbon dioxide ), soft drinks ( phosphoric acid ), pickles ( vinegar ) and other acidified ...
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Benzyl alcohol is a colorless liquid with a mild pleasant aromatic odor. It is useful as a solvent for its polarity, low toxicity, and low vapor pressure . Benzyl alcohol has moderate solubility in water (4 g/100 mL) and is miscible in alcohols and diethyl ether .
Amyl acetate (pentyl acetate) is an organic compound and an ester with the chemical formula CH 3 COO[CH 2] 4 CH 3 and the molecular weight 130.19 g/mol. It is colorless and has a scent similar to bananas [3] [4] and apples. [5]