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4-Ethylheptane; Hexane. Isomers where hexane is the longest chain: Trimethyl ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
4.172 055 713 266 37 × 10 44: C 97 H 196: n-heptanonacontane 98 7.856 847 598 530 88 × 10 38: 1.336 772 071 150 80 × 10 45: C 98 H 198: n-octanonacontane 99 2.156 596 319 845 08 × 10 39: 4.284 272 900 597 84 × 10 45: C 99 H 200: n-nonanonacontane 100 5.921 072 038 125 81 × 10 39: 1.373 431 909 183 29 × 10 47: C 100 H 202: n-hectane 101 1 ...
In organic chemistry, an alkane, or paraffin (a historical trivial name that also has other meanings), is an acyclic saturated hydrocarbon. In other words, an alkane consists of hydrogen and carbon atoms arranged in a tree structure in which all the carbon–carbon bonds are single. [1] Alkanes have the general chemical formula C n H 2n+2.
It is an alkane, and one of the many structural isomers of heptane, consisting of a five carbon chain with a two carbon branch at the middle carbon. An example of an alcohol derived from 3-ethylpentane is the tertiary alcohol 3-ethylpentan-3-ol .
The longest possible main alkane chain is used; therefore 3-ethyl-4-methylhexane instead of 2,3-diethylpentane, even though these describe equivalent structures. The di-, tri- etc. prefixes are ignored for the purpose of alphabetical ordering of side chains (e.g. 3-ethyl-2,4-dimethylpentane, not 2,4-dimethyl-3-ethylpentane).
Heptane or n-heptane is the straight-chain alkane with the chemical formula H 3 C(CH 2) 5 CH 3 or C 7 H 16.When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane).
3-Methylheptane is a branched alkane isomeric to octane. Its structural formula is CH 3 CH 2 CH(CH 3)CH 2 CH 2 CH 2 CH 3. It has one stereocenter. Its refractive index is 1.398 (20 °C, D). [citation needed]
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