| Isoamyl acetate | |
|---|---|
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| IUPAC name | 3-methyl-1-butyl acetate |
| Other names | isopentyl acetate banana oil isopentyl ethanoate pear essence 3-methylbutyl acetate |
| Identifiers | |
| CAS number | [123-92-2] |
| SMILES | CC(C)CCOC(C)=O |
| Properties | |
| Molecular formula | C7H14O2 |
| Molar mass | 130. IUPAC Nomenclature is a system of naming Chemical compounds and of describing the science of Chemistry in general CAS registry numbers are unique numerical identifiers for Chemical compounds Polymers biological sequences mixtures and Alloys They are also referred to A chemical formula is a way of expressing information about the Atoms that constitute a particular Chemical compound, and how the relationship between those atoms changes Molar mass, symbol M, is the Mass of one mole of a substance ( Chemical element or Chemical compound) 19 g/mol |
| Density | 0. The density of a material is defined as its Mass per unit Volume: \rho = \frac{m}{V} Different materials usually have different 876 g/cm3 |
| Melting point |
-78 °C |
| Boiling point |
142 °C |
| Hazards | |
| NFPA 704 |
 3
1
0
|
| Flash point | 25 °C |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Isoamyl acetate, also known as isopentyl acetate, is an organic compound that is the ester formed from isoamyl alcohol and acetic acid. The melting point of a solid is the temperature range at which it changes state from solid to Liquid. The boiling point of a liquid is the temperature at which the Vapor pressure of the liquid equals the environmental pressure surrounding the liquid Symbolism The four divisions are typically color-coded with blue indicating level of Health Hazard, red indicating The flash point of a flammable liquid is the lowest Temperature at which it can form an ignitable mixture in air In Chemistry, the standard state of a material is its state at 1 bar (100 Kilopascals exactly An organic compound is any member of a large class of Chemical compounds whose Molecules contain Carbon. Esters are a class of Chemical compounds and Functional groups Esters consist of an inorganic or organic Acid in which at least Amyl alcohol is an Organic compound with the formula C5H11OH All eight Isomers of Amyl Alcohol are known Acetic acid, also known as ethanoic acid, is an organic chemical compound, giving Vinegar its sour taste It is a clear colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents.
Isoamyl acetate has a strong odor (similar to juicy fruit) which is also described as similar to both banana and pear. For the fruit see Banana. For other meanings see Banana (disambiguation. A pear is a pomaceous Fruit produced by a tree of Genus Pyrus. Banana oil is a term that is applied either to pure isoamyl acetate or to flavorings that are mixtures of isoamyl acetate, amyl acetate, nitrocellulose and other flavors. Amyl acetate (also pentyl ethanoate, pentyl acetate) is an Organic compound and an Ester with the chemical formula CH3COO(CH24CH3 Nitrocellulose (also cellulose nitrate, flash paper) is a highly flammable compound formed by Nitrating Cellulose through exposure to Pear oil commonly refers to a solution of isoamyl acetate in ethanol that is used as an artificial flavor.
Isoamyl acetate is also used to test the effectiveness of respirators or gas masks because it has a strong smell which is generally not experienced as unpleasant that can be detected at low concentrations, and has low toxicity. A respirator is a device designed to protect the wearer from inhaling harmful Dusts fumes vapors and/or Gases Respirators come in a wide range of types and sizes A gas mask is a Mask worn over the face to protect the wearer from inhaling airborne Pollutants and Toxic materials
It is also used as a solvent for some varnishes and nitrocellulose lacquers, as well as being a honey bee pheromone and can be used to attract large groups of honeybees to a small area. A pheromone (from Greek φέρω phero "to bear" + ‘ορμόνη " Hormone " is a Chemical that triggers a natural
Isoamyl acetate is released by a honey bee's sting apparatus where it serves as a pheromone beacon to attract other bees and provoke them to sting. This article refers collectively to all true honey bees for the "common" domesticated honey bee see European honey bee Honey bees A stinger (a Colloquialism for the term "sting" is a common term for a sharp organ or body part found in various Animals (typically Arthropods Honey bee Pheromones are mixtures of chemical substances released by individual bees into the hive or environment that cause changes in the physiology and behaviour [1]
Laboratory Synthesis
Isoamyl acetate can be prepared in the laboratory by the acid catalyzed Fischer esterification reaction between isoamyl alcohol and glacial acetic acid as shown in the reaction equation below. Fischer esterification or Fischer-Speier esterification is a special type of Esterification and the process of forming an Ester by Refluxing a Amyl alcohol is an Organic compound with the formula C5H11OH All eight Isomers of Amyl Alcohol are known Acetic acid, also known as ethanoic acid, is an organic chemical compound, giving Vinegar its sour taste Typically, concentrated sulfuric acid is used as the catalyst. Sulfuric (or sulphuric acid, H 2 S[[oxygen O]]4 is a strong Mineral acid. Catalysis is the process in which the rate of a Chemical reaction is increased by means of a Chemical substance known as a catalyst The reactants are refluxed in order to promote the reaction, the acid is neutralized and extracted, and the product is dried, then distilled. This article is about using reflux in chemical engineering and chemistry
References
- ^ Boch R; Shearer DA, Stone BC (September 8, 1962). Events 70 - Roman forces under Titus sack Jerusalem. 1264 - The Statute of Kalisz Year 1962 ( MCMLXII) was a Common year starting on Monday (the link is to a full 1962 calendar of the Gregorian calendar. "Identification of isoamyl acetate as an active component in the sting pheromone of the honey bee. ". Nature 195: 1018-20. England: Nature Publishing Group. ISSN 0028-0836. An International Standard Serial Number ( ISSN) is a unique eight-digit number used to identify a print or electronic Periodical publication. PMID 13870346.
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