Isoprene
Bio-organic compound that serves as the building unit of terpenes / From Wikipedia, the free encyclopedia
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"Isoprenyl" redirects here. Not to be confused with isopropenyl.
Isoprene, or 2-methyl-1,3-butadiene, is a common volatile organic compound with the formula CH2=C(CH3)−CH=CH2. In its pure form it is a colorless volatile liquid. It is produced by many plants and animals[1] (including humans) and its polymers are the main component of natural rubber. C. G. Williams named the compound in 1860 after obtaining it from the pyrolysis of natural rubber; he correctly deduced the empirical formula C5H8.[2][3]
Quick Facts Names, Identifiers ...
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Names | |||
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IUPAC name
Isoprene | |||
Preferred IUPAC name
2-Methylbuta-1,3-diene | |||
Other names
2-Methyl-1,3-butadiene | |||
Identifiers | |||
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3D model (JSmol) |
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ChEBI | |||
ChemSpider |
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ECHA InfoCard | 100.001.040 | ||
KEGG |
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PubChem CID |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C5H8 | |||
Molar mass | 68.12 g/mol | ||
Density | 0.681 g/cm3 | ||
Melting point | −143.95 °C (−227.11 °F; 129.20 K) | ||
Boiling point | 34.067 °C (93.321 °F; 307.217 K) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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