- Formula: C4H4
- Molecular weight: 52.0746
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: WFYPICNXBKQZGB-UHFFFAOYSA-N
- CAS Registry Number: 689-97-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: But-1-en-3-yne; Butenyne; Ethene, ethynyl-; Monovinylacetylene; Vinylacetylene; 1-Butene-3-yne; 1-Butyn-3-ene; 3-Buten-1-yne; Buten-3-yne; Ethynylethene; 1-Butenyne; Vinylethyne
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Phase change data
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
|Tboil||276.15||K||N/A||Hennion, Price, et al., 1954||Uncertainty assigned by TRC = 3. K; TRC|
Enthalpy of vaporization
|vapH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|26.0||236.||A||Stephenson and Malanowski, 1987||Based on data from 180. - 278. K. See also Stull, 1947.; AC|
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
|180.0 - 278.4||4.04028||954.825||-41.838||Stull, 1947||Coefficents calculated by NIST from author's data.|
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Hennion, Price, et al., 1954
Hennion, G.F.; Price, C.C.; McKeon, T.F., Jr., The Preparation of Vinylacetylene, J. Am. Chem. Soc., 1954, 76, 5160. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point vapH Enthalpy of vaporization
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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