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propynal

Structure via PubChem · Public domain (PubChem)

EntityQ21099676· pop 13· linked from 194 articles

Also known as propargylaldehyde, propiolaldehyde, prop-2-ynal, formylacetylene, propiolic aldehyde

Propiolaldehyde is an organic compound with molecular formula HC2CHO. It is the simplest chemical compound containing both alkyne and aldehyde functional groups. It is a colorless liquid with explosive properties.

Chemical data

Formula
C3H2O
Molecular weight
54.05 g/mol
IUPAC name
prop-2-ynal
SMILES
C#CC=O
InChIKey
IJNJLGFTSIAHEA-UHFFFAOYSA-N
XLogP
0.2
Polar surface area
17.1 Ų
H-bond donors
0
H-bond acceptors
1
Formal charge
0

via PubChem

Drug data · ChEMBL

Molecule type
Small molecule

via ChEMBL · EBI

Wikidata facts

Mass
54.011
Show 3 more facts
canonical SMILES
C#CC=O
chemical formula
C₃H₂O
Commons category
Propynal
Sources (2)

via Wikidata · CC0

~1 min read

Encyclopedic overview

6 sections
Contents
  • Reactions
  • Preparation
  • Occurrence in interstellar medium
  • Hazards
  • See also
  • References

Propiolaldehyde is an organic compound with molecular formula HC2CHO. It is the simplest chemical compound containing both alkyne and aldehyde functional groups. It is a colorless liquid with explosive properties.

==Reactions== The compound exhibits reactions expected for an electrophilic alkynyl aldehyde. It is a dienophile and a good Michael acceptor. Grignard reagents add to the carbonyl center. Its explosive properties are attributed to the exothermicity of its polymerization.

Excerpted from Wikipedia’s “propynal” article, available under the CC BY-SA 4.0 licence.