2-Pentyne

• Formula: C₅H₈
• Molecular weight: 68.1170
• IUPAC Standard InChI: InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: NKTDTMONXHODTI-UHFFFAOYSA-N Copy
• CAS Registry Number: 627-21-4
• 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: Ethylmethylacetylene; 1-Ethyl-2-methylacetylene; C2H5C≡CCH3; pent-2-yne
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• Information on this page:
  • Normal boiling point
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Normal boiling point

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Farchan Laboratories, 1990
Farchan Laboratories, Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Mikhant'ev and Litvin, 1966
Mikhant'ev, B.I.; Litvin, Y.A., Synthesis of 1-Pentyne and 2-Pentyne, Tr. Probl. Lab. Khim. Vysokomol. Soedin., Voronezh. Gos. Univ., 1966, No. 4, 61-2. [all data]

Miller, Greenlee, et al., 1954
Miller, H.M.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., J. Org. Chem., 1954, 19, 1882. [all data]

Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L., Synthesis and Physical Properties of Several Acetylenic Hydrocarbons, J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 51. [all data]

Jacobs, Akawie, et al., 1951
Jacobs; Akawie; Copper, Rearrangements Involving 1-Pentyne, 2-Pentyne and 1,2-Pentadiene, J. Am. Chem. Soc., 1951, 73, 1273. [all data]

Henne and Greenlee, 1945
Henne, A.L.; Greenlee, K.W., Preparation and Physical Constants of Acetylenic Compounds, J. Am. Chem. Soc., 1945, 67, 484-5. [all data]

Boord, Perilstein, et al., 1944
Boord, C.E.; Perilstein, W.L.; Greenlee, K.W., , Am. Pet. Inst. Hydrocarbon Res. Proj., Sixth Annu. Ref., Ohio State Univ., Aug. 31, 1944. [all data]

Boord, 1944
Boord, C.E., , Am. Pet. Inst. Hydrocarbon Res. Proj. No. 123-S, Ohio State Univ., 1944. [all data]

Greenlee, 1942
Greenlee, K.W., , Ph.D. Thesis, Ohio State Univ., Columbus, OH, 1942. [all data]

Schaad and Ipatieff, 1940
Schaad, R.E.; Ipatieff, V.N., Catalytic Hydration of Acetylene and Some Alkylacetylenes, J. Am. Chem. Soc., 1940, 62, 178. [all data]

Mowat and Smith, 1938
Mowat, E.L.R.; Smith, J.C., J. Chem. Soc., 1938, 1938, 19. [all data]

Sherrill and Launspach, 1938
Sherrill, M.L.; Launspach, E.H., The Physical Constants of cis-Pentene-2, J. Am. Chem. Soc., 1938, 60, 2562. [all data]

Sherrill and Matlack, 1937
Sherrill, M.L.; Matlack, L.S., Additional dat on the cis and trans isomers of pentene-2., J. Am. Chem. Soc., 1937, 59, 2134. [all data]

Nicodemus, 1936
Nicodemus, O., Angew. Chem., 1936, 49, 787. [all data]

Krestinskii and Kelbovskaya, 1935
Krestinskii, V.N.; Kelbovskaya, M.K., Chem. Ber., 1935, 68, 512. [all data]

Bourguel, 1927
Bourguel, M., Bull. Soc. Chim. Fr., 1927, 41, 1475. [all data]

Bourguel, 1925
Bourguel, M., Bull. Soc. Chim. Fr., 1925, 37, 546. [all data]

Bourguel, 1923
Bourguel, M., C. R. Hebd. Seances Acad. Sci., 1923, 176, 751. [all data]

Van Risseghem, 1914
Van Risseghem, H., Beta-pentene and some of its derivatives, C. R. Hebd. Seances Acad. Sci., 1914, 158, 1694-8. [all data]

Favorskii, 1888
Favorskii, A., J. Prakt. Chem., 1888, 37, 382. [all data]

Notes

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• Symbols used in this document:
  

  Tboil

  Boiling point

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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