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(E)-2-Butenal

View entire compound with spectra: 14 NMR, 5 FTIR, 1 Raman, 30 MS (GC), and 2 Near IR

(E)-2-Butenal
SpectraBase Compound ID JUraUiZjMKG
InChI InChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChIKey MLUCVPSAIODCQM-NSCUHMNNSA-N
Mol Weight 70.09 g/mol
Molecular Formula C4H6O
Exact Mass 70.041865 g/mol

Vapor Phase (Gas) Infrared Spectrum

Vapor Phase (Gas) Infrared Spectrum

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SpectraBase Spectrum ID 2M450vakAyp
Name Crotonaldehyde, predominantly trans
Source of Sample Sigma-Aldrich Co. LLC.
Catalog Number 262668
CAS Registry Number 123-73-9
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C4H6O
InChI 1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChIKey MLUCVPSAIODCQM-NSCUHMNNSA-N
Molecular Weight 70.090 g/mol
Purity 99+%, PREDOMINANTLY TRANS
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms Crotonaldehyde
Wiley ID SIAL_VP-FTIR_002674