2-Butynoic acid
- Formula: C4H4O2
- Molecular weight: 84.0734
- IUPAC Standard InChI: InChI=1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
- IUPAC Standard InChIKey: LUEHNHVFDCZTGL-UHFFFAOYSA-N
- CAS Registry Number: 590-93-2
- 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: Tetrolic acid; 1-Propynecarboxylic acid; 3-Methylpropiolic acid
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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 by: Robert L. Brown and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 476.2 | K | N/A | Weast and Grasselli, 1989 |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference |
|---|---|---|
| 373. | 0.020 | Farchan Laboratories, 1990 |
| 372.7 | 0.024 | Weast and Grasselli, 1989 |
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.
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]
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [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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