2-Butynedioic acid
CAS Registry Number®
142-45-0
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CAS Name
2-Butynedioic acidMolecular Formula
C4H2O4Molecular Mass
114.06Cite this Page
2-Butynedioic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=142-45-0 (retrieved ) (CAS RN: 142-45-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
193-194 °C
Source(s)
Other Names and Identifiers
InChI
InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
InChIKey
InChIKey=YTIVTFGABIZHHX-UHFFFAOYSA-N
SMILES
C(#CC(O)=O)C(O)=O
Canonical SMILES
O=C(O)C#CC(=O)O
Other Names for this Substance
- 2-Butynedioic acid
- Acetylenedicarboxylic acid
- Butynedioic acid
- 2-Butyne-1,4-dioic acid
- NSC 1903
