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N-pentane appears as a clear colorless liquid with a petroleum-like odor. Flash point 57 °F. Boiling point 97 °F. Less dense than water and insoluble in water. Hence floats on water. Vapors are heavier than air.
The boiling points of the pentane isomers range from about 9 to 36 °C. As is the case for other alkanes, the more thickly branched isomers tend to have lower boiling points. The same tends to be true for the melting points of alkane isomers, and that of isopentane is 30 °C lower than that of n-pentane.
pentane. Formula: C 5 H 12. Molar Mass: 72.151. Additional Names: n-pentane. Please be patient while the web interface loads... Property Availability . For this compound, WTT contains critically evaluated recommendations for: (Please note that if more than 50 points are used for regression, only the 50 most-constraining points are reported)
Formula: C 5 H 12. Molecular weight: 72.1488. IUPAC Standard InChI:InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3 Copy. IUPAC Standard InChIKey:OFBQJSOFQDEBGM-UHFFFAOYSA-N Copy. CAS Registry Number: 109-66-0.
Quantity Value Units Method Reference Comment; T boil: 309.2 ± 0.2: K: AVG: N/A: Average of 81 out of 94 values; Individual data points Quantity Value Units Method Reference Comment; T fus: 143.4 ± 0.7
CAS Registry Number: 109-66-0. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Other names: n-Pentane; Skellysolve A; n-C5H12; Pentan; Pentanen; Pentani; Amyl hydride; NSC 72415. Permanent link for this species.
