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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.
n-Butyl acetate is an organic compound with the formula CH 3 CO 2 (CH 2) 3 CH 3. A colorless, flammable liquid, it is the ester derived from n- butanol and acetic acid . It is found in many types of fruit, where it imparts characteristic flavors and has a sweet smell of banana or apple.
Isobutyl formate (2-methylpropyl methanoate) is an organic ester with the chemical formula C 5 H 10 O 2. It is formed by the Fischer esterification of isobutanol with formic acid, with the aid of an acid catalyst. It is used as a flavor and fragrance ingredient because of its odor which is sweet, ethereal, and slightly fruity. [2] [3]
Methyl butyrate, also known under the systematic name methyl butanoate, is the methyl ester of butyric acid.Like most esters, it has a fruity odor, in this case resembling apples or pineapples. [2]
The LD 50 for rats is 13 g/kg. [7] Exposure in humans to significant quantities of sec-butyl acetate can cause irritation to the eyes, mouth, throat, nose, and skin. [8] Ingestion and inhalation of sec-butyl acetate can cause central nervous system depression producing symptoms of dizziness and disorientation. [8]
Methyl phenylacetate is an organic compound that is the methyl ester of phenylacetic acid, with the structural formula C 6 H 5 CH 2 CO 2 CH 3. It is a colorless liquid that is only slightly soluble in water, but soluble in most organic solvents. Methyl phenylacetate has a strong odor similar to honey.
Isoamyl acetate, also known as isopentyl acetate, is an ester formed from isoamyl alcohol and acetic acid, with the molecular formula C 7 H 14 O 2. 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]
Pentyl is a five-carbon alkyl group or substituent with chemical formula-C 5 H 11.It is the substituent form of the alkane pentane.. In older literature, the common non-systematic name amyl was often used for the pentyl group.