(2E)-2-butenal


(2E)-2-butenal; (2E)-but-2-enal; (E)-2-butenal; (E)-but-2-enal; trans-2-butenal; crotonaldehyde; trans-crotonaldehyde; crotonic aldehyde; β-methylacrolein; 3-methylpropenealdehyde; propylenealdehyde
Links:🌍 Wikipedia, 📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Crotonaldehyd); p. 201, 261, 563, 691, 720, 756, 776, 796, 815
CAS RN:[4170-30-3]
Formula:C4H6O; 70.09 g/mol
InChiKey:MLUCVPSAIODCQM-NSCUHMNNSA-N
SMILES:C/C=C/C=O
Molecular structure of (2E)-2-butenal
Use:fuel gas warning agent; leather tanning; organic syntheses
Density:0.856 g/mL
Molar volume:81.9 mL/mol
Refractive index:1.438
Molecular refractive power:21.52 mL/mol
Dipole moment:3.67 D
Melting point:-77 °C
Boiling point:102 °C
Vapour pressure:4 Torr
Log10 partition octanol / water:0.63

Isomers

2,3-butadien-1-ol
Molecular structure of 2,3-butadien-1-ol
(2E)-2-butenal
Molecular structure of (2E)-2-butenal
butenone
Molecular structure of butenone
2-butyn-1-ol
Molecular structure of 2-butyn-1-ol
3-butyn-1-ol
Molecular structure of 3-butyn-1-ol
(R)-(+)-3-butyn-2-ol
Molecular structure of (R)-(+)-3-butyn-2-ol
(S)-(-)-3-butyn-2-ol
Molecular structure of (S)-(-)-3-butyn-2-ol
but-3-yn-2-ol
Molecular structure of but-3-yn-2-ol
cyclobutanone
Molecular structure of cyclobutanone
cyclopropanecarboxaldehyde
Molecular structure of cyclopropanecarboxaldehyde
2,3-dihydrofuran
Molecular structure of 2,3-dihydrofuran
2,5-dihydrofuran
Molecular structure of 2,5-dihydrofuran
ethenoxyethene
Molecular structure of ethenoxyethene
2-ethenyloxirane
Molecular structure of 2-ethenyloxirane
ethoxyacetylene
Molecular structure of ethoxyacetylene
1-methoxypropa-1,2-diene
Molecular structure of 1-methoxypropa-1,2-diene
1-methoxyprop-1-yne
Molecular structure of 1-methoxyprop-1-yne
3-methoxyprop-1-yne
Molecular structure of 3-methoxyprop-1-yne
2-methylpropenal
Molecular structure of 2-methylpropenal
2-methyl-1-propen-1-one
Molecular structure of 2-methyl-1-propen-1-one
(S)-2-vinyloxirane
Molecular structure of (S)-2-vinyloxirane