Acetaldehyde
Properties
- Molecular formula
- C2H4O
- Molar mass
- 44.05 g/mol
- Exact mass
- 44.0262 Da
- Density
- 0.788 g/mL (at 16 °C)
- Melting point
- −123.5 °C
- Boiling point
- 21 °C
- pKa
- 13.57 (25 °C)
- Flash point
- -38.89 °C (closed cup)
- Water solubility
- miscible (25 °C)
- logP
- 0.21Crippen estimate
- Polar surface area
- 17.1 Ų
- H-bond donors / acceptors
- 0 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H224 Extremely flammable liquid and vaporFlammable liquids
- H319 Causes serious eye irritationSerious eye damage/eye irritation
- H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
- H341 Suspected of causing genetic defectsGerm cell mutagenicity
- H350 May cause cancerCarcinogenicity
Harmonised EU classification (CLP Annex VI), via PubChem.
Precautionary statements
P203, P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P318, P319, P337+P317, P370+P378, P403+P233, P403+P235, P405, P501
Identifiers
CAS number
75-07-0SMILES
CC=OInChIKey
IKHGUXGNUITLKF-UHFFFAOYSA-NInChI
InChI=1S/C2H4O/c1-2-3/h2H,1H3Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
4 names
- Acetic aldehyde
- Ethanal
- Ethyl aldehyde
- NSC 7594
Work with Acetaldehyde
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds