trans-Crotonaldehyde
Properties
- Molecular formula
- C4H6O
- Molar mass
- 70.09 g/mol
- Exact mass
- 70.0419 Da
- Density
- 0.869 g/mL (at 20 °C)
- Melting point
- −76 °C
- Boiling point
- 104 °C
- Flash point
- 13 °C (closed cup)
- Water solubility
- 150 g/L (20 °C)
- logP
- 0.76Crippen estimate
- Polar surface area
- 17.1 Ų
- H-bond donors / acceptors
- 0 / 1
- Rotatable bonds
- 1
- Double bonds
- EE/Z, in SMILES order
Hazards
- H225 Highly Flammable liquid and vaporFlammable liquids
- H301 Toxic if swallowedAcute toxicity, oral
- H311 Toxic in contact with skinAcute toxicity, dermal
- H315 Causes skin irritationSkin corrosion/irritation
- H318 Causes serious eye damageSerious eye damage/eye irritation
- H330 Fatal if inhaledAcute toxicity, inhalation
- H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
- H341 Suspected of causing genetic defectsGerm cell mutagenicity
- H373 ** May causes damage to organs through prolonged or repeated exposureSpecific target organ toxicity, repeated exposure
- H400 Very toxic to aquatic lifeHazardous to the aquatic environment, acute hazard
Harmonised EU classification (CLP Annex VI, index 605-009-00-9[1]), via PubChem.
Precautionary statements
P203, P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P284, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P318, P319, P320, P321, P330, P332+P317, P361+P364, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, P501
Identifiers
123-73-9C/C=C/C=OMLUCVPSAIODCQM-NSCUHMNNSA-NInChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
13 names · show all
- 2-Butenal, (2E)-
- Crotonaldehyde, (E)-
- 2-Butenal, (E)-
- (2E)-2-Butenal
- trans-2-Butenal
- Topanel CA
- (E)-Crotonaldehyde
- (E)-2-Butenal
- trans-2-Buten-1-al
- 2(E)-Butenal
- trans-Crotonal
- (E)-But-2-en-1-al
- Crotonaldehyde
Safety data sheets
One stored sheet lists this compound in section 3, matched by the CAS number 123-73-9. Each row opens the sheet with its composition and PDF.
Work with trans-Crotonaldehyde
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.