Propionaldehyde Properties, Molecular Formula, Applications - WorldOfChemicals
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Propionaldehyde Properties


Molecule 3D Structure Image
Molecule Structure Image



Propionaldehyde is a saturated 3-carbon aldehyde and is a structural isomer of acetone. It is principally used as a precursor to trimethylolethane through a condensation reaction with methanol; this triol is an important intermediate in the production of alkyd resins.

Chemical Properties

Appearance Colorless liquid
Boiling Point 46-50 °C
CAS Number 123-38-6
ChEBI 17153
Density 0.81 g/cm3
Dipole Moment 2.52 D
EINECS Number 204-623-0
IUPAC Name Propanal
InChI 1S/C3H6O/c1-2-3-4/h3H,2H2,1H3
Melting Point −81 °C
Molar Mass 58.080 g/mol
Molecular Formula C3H6O
NFPA 704 H-2,F-3,R-2,C-NA
RTECS Number UE0350000
Refractive n20/D 1.362
Solubility 20 g/100 ml
Synonyms Methylacetaldehyde;Propionic Aldehyde;Propaldehyde
Viscosity 0.6 cP uses cookies to ensure that we give you the best experience on our website. By using this site, you agree to our Privacy Policy and our Terms of Use. X