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Definition: Amyl Alcohol |
Amyl AlcoholNoun1. A mixture of 2 or more isomeric alcohols; used as a solvent and in organic synthesis. Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
| Domain | Definition |
Food & Agriculture | Two of the principal higher alcohols containing 5 carobns atoms formed by yeasts in wine fermentation. Present in trace amounts in wines and brandy. Source: European Union. (references) |
Mining | C5 H11 OH ; a frothing agent. (references) |
Source: compiled by the editor from various references; see credits. | |
(From Wikipedia, the free Encyclopedia)
There are eight isomers of amyl alcohol (C5H11OH):Of these alcohols, the first four are primary, the last one a tertiary, the other three secondary alcohols; three of them, viz. active amyl alcohol, methyl (n) propyl carbinol, and methyl isopropyl carbinol, contain an asymmetric carbon atom and can consequently each exist in two optically active, and one optically inactive form.
- normal amyl alcohol CH3.(CH2)4.OH,
- isobutyl carbinol or isoamyl alcohol (CH3)2.CH.CH2.CH2OH,
- active amyl alcohol (CH3)(C2H5):CH.CH2OH,
- tertiary butyl carbinol (CH3)3C.CH2OH,
- diethyl carbinol (C2H5)2CH.OH,
- methyl (n) propyl carbinol (CH3.CH2.CH2)(CH3):CH:OH,
- methyl isopropyl carbinol (CH3)2:CH(CH3):CHOH, and
- dimethyl ethyl carbinol (CH3)2.(C2H5).:C.OH.
The most important is isobutyl carbinol, this being the chief constituent of fermentation amyl alcohol, and consequently a constituent of fusel oil. It may be separated from fusel oil by shaking with strong brine solution, separating the oily layer from the brine layer and distilling it, the portion boiling between 125C and 140C. being collected. For further purification it may be shaken with hot milk of lime, the oily layer separated, dried with calcium chloride and fractionated, the fraction boiling between 128C and 132C only being collected. It may be synthetically prepared from isobutyl alcohol by conversion into isovaleryl-aldehyde, which is subsequently reduced to isobutyl carbinol by means of sodium amalgam.
It is a colourless liquid of specific gravity 0.8248 (0C), boiling at 131.6C, slightly soluble in water, easily soluble in alcohol, ether, chloroform and benzene. It possesses a characteristic strong smell and a sharp burning taste. When perfectly pure, it is not a poison, although the impure product is. On passing its vapour through a red-hot tube, it undergoes decomposition with production of acetylene, ethylene, propylene, &c. It is oxidized by chromic acid mixture to isovaleryl-aldehyde; and it forms crystalline addition compounds with calcium and stannic chlorides.
The other amyl alcohols may be obtained synthetically. Of these, tertiary butyl carbinol has been the most difficult to obtain, its synthesis having only been accomplished in 1891, by L. Tissier (Comptes Rendus, 1891, 112, p. 1065) by the reduction of a mixture of trimethyl acetic acid and trimethylacetyl chloride with sodium amalgam. It is a solid which melts at 48-50C and boils at 112.3C.
(from an old encyclopedia)
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Amyl alcohol."
Crosswords: Amyl Alcohol |
| English words defined with "amyl alcohol": Active valeric acid, Amyl ♦ banana oil ♦ Potato whisky. (references) |
| Specialty definitions using "amyl alcohol": feints ♦ pentasol xanthate. (references) |
| Hypenated Usage | |
Ending with "amyl alcohol": n-amyl alcohol, sec-amyl alcohol. | |
| Source: compiled by the editor from various references; see credits. | |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
amyl alcohol | 4 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "amyl alcohol"; alternative meanings/domain in parentheses. | |
Danish | amylalkohol (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
Dutch | amylalcohol (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
Finnish | amyylialkoholi (isoamyl alcohol(CH3.(CH2)3.CH2OH)), isoamyylialkoholi (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
French | alcool amylique(CH3.(CH2)3.CH2OH), alcool amylique. (various references) | |
German | Amylalkohol (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
Greek | αμυλική αλκοόλη (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
Italian | alcool amilico(CH3.(CH2)3.CH2OH) (isoamyl alcohol(CH3.(CH2)3.CH2OH)), alcole amilico. (various references) | |
Pig Latin | amylay alcoholay.(various references) | |
Portuguese | álcool anúlico, álcool amílico (fusel oil). (various references) | |
Spanish | alcohol amílico (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
Swedish | amylalkohol (isoamyl alcohol(CH3.(CH2)3.CH2OH)), normal amylalkohol (isoamyl alcohol(CH3.(CH2)3.CH2OH)). (various references) | |
| Source: compiled by the editor from various translation references. | ||
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "a-a-c-h-l-l-l-m-o-o-y" | |
-3 letters: callaloo. | |
-4 letters: alcohol, locally. | |
-5 letters: calmly, challa, chally, cholla, coolly, halloa, halloo, holloa, mollah, moloch, moolah. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
