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In 1929 Graham Edgar and George Calingaert made 3,3-dimethylpentane and measured its physical characteristics for the first time. The measurements were at 20 °C, not the standard conditions used in later times. [3] For 3,3-dimethylpentane they measured a density of 0.6934 at 20 °C with a rate of change Δd/ΔT of 0.000848.
Download QR code; Print/export Download as PDF; Printable version; In other projects ... pentane or 3-Isopropyl-2,4-dimethylpentane; Diethyl+Methyl. 3,3-Diethyl-2 ...
Download QR code; Print/export Download as PDF; Printable version; In other projects ... 2,3-Dimethylpentane; 2,4-Dimethylpentane; 3,3-Dimethylpentane
Thus, the name is 3-methylpentane to avoid ambiguity: The 3- is because the methyl is attached to the third of the five carbon atoms. If there is more than one of the same alkyl group attached to a chain, then the prefixes are used on the alkyl groups to indicate multiples (i.e., di, tri, tetra, etc.)
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... 3,3-Diethyl-2,2-dimethylpentane;
Download QR code; Print/export Download as PDF; Printable version; In other projects ... 3-Ethyl-2,3-dimethylpentane; 3-Ethyl-2,4-dimethylpentane;
2,3-Dimethylpentane is notable for being one of the two simplest alkanes with optical (enantiomeric) isomerism. The optical center is the middle carbon of the pentane backbone, which is connected to one hydrogen atom, one methyl group, one ethyl group – C 2 H 5, and one isopropyl group – CH(CH 3) 2.
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