2-Methyl-2-propenal

  • Identifiers

    CAS mumber
    78-85-3

    Molecular formula
    C4H6O

    SMILES
    CC(=C)C=O

    Retention indicies (RI)

    • DB5: 577.0
    • Carbowax: 974.0

  • Properties

    XLogP3-AA
    0.7 Well soluble in MMB, TEC, DEP

    Molecular weight
    70.09 g/mol

    Melting points

    • -81 °C
    • -81 °C

    Boiling points

    • 68.4 °C
    • 68 °C

    Flash points

    • 35 °F (NFPA, 2010)
    • 35 °F (2 °C) (OPEN CUP)
    • -15 °C

    Solubilities

    • MISCIBLE WITH WATER, ETHANOL, ETHER
    • Water solubility = 5.9% (59,000 mg/L) at 20 °C
    • Solubility in water, g/100ml at 20 °C: 6 (soluble)

  • Synonyms

    • METHACROLEIN
    • Methacrylaldehyde
    • 78-85-3
    • 2-Methyl-2-propenal
    • 2-Propenal, 2-methyl-
    • 2-Methylacrolein
    • Isobutenal
    • 2-Methylprop-2-enal
    • 2-Methylpropenal
    • Acrolein, 2-methyl-
    • Methylacrylaldehyde
    • 2-Methylenepropanal
    • Methacrylic aldehyde
    • Methakrylaldehyd
    • Methakrylaldehyd [Czech]
    • HSDB 182
    • Methacrolein (stabilized with HQ)
    • .alpha.-Methacrolein
    • NSC 8260
    • .alpha.-Methylacrolein
    • Methacraldehyde
    • CCRIS 1153
    • EINECS 201-150-1
    • UN2396
    • UNII-9HRB24892H
    • BRN 1209258
    • 2-Methylacrylaldehyde
    • METHACRYALDEHYDE
    • AI3-37779
    • NSC-8260
    • METHACROLEIN [HSDB]
    • CH2=C(CH3)CHO
    • UN 2396 (Salt/Mix)
    • DTXSID0052540
    • 9HRB24892H
    • 4-01-00-03455 (Beilstein Handbook Reference)
    • MFCD00006974
    • alpha-Methylacrolein
    • 2-Methylpropenal [Czech]
    • 2-methyl-propenal
    • Methacrolein (Stabilized with 1% Hydroquinone)
    • methacroleine
    • 2Methylacrolein
    • 2Methylpropenal
    • 2Methyl2propenal
    • 2Methylenepropanal
    • alphaMethylacrolein
    • Acrolein, 2methyl
    • 2Propenal, 2methyl
    • Methacrolein, 95%
    • 2-Methylacrylaldehyde #
    • 2-METHYL PROPENAL
    • Methacrylaldehyde, inhibited
    • 2-FORMYL-1-PROPENE
    • WLN: VHY1&U1
    • CHEMBL4063095
    • DTXCID7031113
    • CHEBI:88384
    • NSC8260
    • .ALPHA.-METHYLACRYLALDEHYDE
    • METHACRYLALDEHYDE, STABILIZED
    • AKOS000119839
    • FM25133
    • M0078
    • NS00022801
    • EN300-19749
    • H10713
    • A839511
    • Q420234
    • 2-Methyl-2-propenal;Methacrylaldehyde;2-Methylacrolein
    • Methacrolein (Stabilized with 1per cent Hydroquinone)
    • F2191-0163
    • Methacrylaldehyde, inhibited [UN2396] [Flammable liquid]
1 3

Botanical

Name CAS Botanical Proportion
Melittis melissophyllum Melittis melissophylum L., ssp. albida Guss, fam. Lamiaceae (Labiatae) 0.08%
Santolina chamaecyparisus (Egypt) 84961-58-0 Santolina chamaecyparisus L., fam. Asteraceae (Compositae) 0.3%
Zizyphus jujuba fruit (Malaysia) Zizyphus jujuba Mill. var. inermis, fam. Rhamnaceae 1.8%
Phalaenopsis schilleriana headspace Phalaenopsis schilleriana Rehb. f., fam. Orchidaceae 0.5%