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2-Butynoic acid

View entire compound with spectra: 2 NMR, 4 FTIR, 1 Raman, and 2 MS (GC)

2-Butynoic acid
SpectraBase Compound ID 2GHAbhAwRtY
InChI InChI=1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
InChIKey LUEHNHVFDCZTGL-UHFFFAOYSA-N
Mol Weight 84.07 g/mol
Molecular Formula C4H4O2
Exact Mass 84.021129 g/mol

13C Nuclear Magnetic Resonance (NMR) Spectrum

13C Nuclear Magnetic Resonance (NMR) Spectrum

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SpectraBase Spectrum ID KWowdkRoaQW
Name 2-Butynoic acid
Source of Sample Sigma-Aldrich Co. LLC.
Catalog Number 303666
CAS Registry Number 590-93-2
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C4H4O2
InChI 1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
InChIKey LUEHNHVFDCZTGL-UHFFFAOYSA-N
Observed nucleus 13C
Purity 98%
Solvent CDCl3
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms Tetrolic acid
Wiley ID SIAL_13CNMR_006003