3-Butynoic acid
CAS Registry Number®
2345-51-9
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CAS Name
3-Butynoic acidMolecular Formula
C4H4O2Molecular Mass
84.07Cite this Page
3-Butynoic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=2345-51-9 (retrieved ) (CAS RN: 2345-51-9). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
83 °CDensity (2)
1.32 g/cm³
Source(s)
Other Names and Identifiers
InChI
InChI=1S/C4H4O2/c1-2-3-4(5)6/h1H,3H2,(H,5,6)
InChIKey
InChIKey=KKAHGSQLSTUDAV-UHFFFAOYSA-N
SMILES
C(C(O)=O)C#C
Canonical SMILES
O=C(O)CC#C
Other Names for this Substance
- 3-Butynoic acid
- 2-Ethynylacetic acid
