Methacrolein

C4H6OCAS 78-85-370.09 g/mol

O
AldehydeAlkene

Properties

Molecular formula
C4H6O
Molar mass
70.09 g/mol
Exact mass
70.0419 Da
Density
0.849 g/mL (at 25 °C)
Melting point
−81 °C
Boiling point
68.4 °C
Water solubility
miscible
logP
0.76Crippen estimate
Polar surface area
17.1 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
1

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Acute Toxic (GHS06)Health Hazard (GHS08)Environmental Hazard (GHS09)

Aggregated from 170 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P233, P240, P241, P242, P243, P260, P262, P264, P264+P265, P270, P271, P273, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P318, P320, P321, P330, P361+P364, P363, P370+P378, P391, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
78-85-3
SMILES
C=C(C)C=O
InChIKey
STNJBCKSHOAVAJ-UHFFFAOYSA-N
InChI
InChI=1S/C4H6O/c1-4(2)3-5/h3H,1H2,2H3

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Type any one amount. The others follow from the molar mass and density.

Names and synonyms

17 names · show all
  • 2-Propenal, 2-methyl-
  • Methacrylaldehyde
  • 2-Methyl-2-propenal
  • Isobutenal
  • Methacrylic aldehyde
  • α-Methylacrolein
  • 2-Methylacrolein
  • Methylacrylaldehyde
  • Methylacrolein
  • 2-Methylpropenal
  • 2-Methyl-2-propen-1-al
  • 2-Methylenepropanal
  • α-Methacrolein
  • α-Methylacrylaldehyde
  • 2-Formyl-1-propene
  • 2-Methacrolein
  • NSC 8260

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 78-85-3. Each row opens the sheet with its composition and PDF.

Work with Methacrolein

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere