Methional

  • Identifiers

    CAS number
    3268-49-3

    Molecular formula
    C4H8OS

    SMILES
    CSCCC=O

    Retention indicies (RI)

    • DB5: 908.0
    • Carbowax: 1450.0

  • Odor profile

    sulfurous 70.86%
    vegetable 68.4%
    onion 67.08%
    garlic 65.14%
    cabbage 63.95%
    potato 58.18%
    cheesy 54.69%
    alliaceous 54.59%
    tomato 52.61%
    pungent 52.44%

    Scent© AI

  • Properties

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

    Molecular weight
    104.17 g/mol

    Melting points

    • -75 °C

    Boiling points

    • BP: 62 °C at 11 mm Hg
    • 165 °C

    Flash points

    • 142 °F (NFPA, 2010)
    • 142 °F (61 °C) (closed cup)
    • 58-63 °C

    Solubilities

    • In water, 16.3% vol at 25 °C, pH 7
    • Solubility in water, g/100ml at 37.8 °C: 17.5
    • insoluble in water; soluble in alcohol, propylene glycol and oil
    • 1 ml in 1 ml 95% alcohol (in ethanol)

  • Synonyms

    • 3-(Methylthio)propionaldehyde
    • Methional
    • 3268-49-3
    • 3-(METHYLTHIO)PROPANAL
    • Propanal, 3-(methylthio)-
    • 3-methylsulfanylpropanal
    • 4-Thiapentanal
    • 3-(Methylsulfanyl)propanal
    • 3-methylthiopropanal
    • 3-(Methylmercapto)propionaldehyde
    • Propionaldehyde, 3-(methylthio)-
    • 3-Methylmercaptopropyl aldehyde
    • Methylmercaptopropionic aldehyde
    • Methional (natural)
    • beta-(Methylthio)propionaldehyde
    • 3-Methylthiopropional
    • methylmercaptopropionaldehyde
    • beta-(Methylmercapto)propionaldehyde
    • 3-methylthiopropionaldehyde
    • NSC 15874
    • FEMA No. 2747
    • 3-methylsulfanyl-propanal
    • 3-methylthio-propionaldehyde
    • EINECS 221-882-5
    • 0AAO8V0F1R
    • UN2785
    • .beta.-(Methylmercapto)propionaldehyde
    • 3-[Methylthio]propionaldehyde
    • BRN 1739289
    • CCRIS 8434
    • 3-methylmercapto-propionaldehyde
    • 3-Methyl-thiopropanal
    • DTXSID9027528
    • CHEBI:49017
    • AI3-36656
    • 3-(Methythio)-propanal
    • 3-(methylthio)-propanal
    • NSC-15874
    • 3-(methylthio)-propionaldehyde
    • DTXCID507528
    • 3-methylsulfanyl-propionaldehyde
    • HSDB 8499
    • EC 221-882-5
    • .beta.-(Methylthio)propionaldehyde
    • 3-METHYLTHIOPROPIONALDEHYDE [FCC]
    • 3-(METHYLTHIO) PROPIONALDEHYDE [FHFI]
    • C4H8OS
    • CAS-3268-49-3
    • UNII-0AAO8V0F1R
    • 4Thiapentanal
    • Thia4pentanal
    • Methylmercaptoaldehyde
    • MFCD00007022
    • THIAPENTANAL
    • 3(Methylthio)propanal
    • 4-Thiapentanal [UN2785] [Poison]
    • 3-(Methylthiol)propanal
    • 3-methylthio-1-propanal
    • Propanal, 3(methylthio)
    • 3-(Methylthio)-1-propanal
    • 3-(methythio)propionaldehyde
    • 3-(methylthio)propan-1-one
    • Methional, >=97%, FG
    • SCHEMBL40685
    • 3Methylmercaptopropyl aldehyde
    • 3-(Methylsulfanyl)propanal #
    • beta(Methylthio)propionaldehyde
    • 3-(methylthio) propionaldehyde
    • 3-methylsulphanylpropionaldehyde
    • Propionaldehyde, 3(methylthio)
    • CHEMBL333298
    • 3(Methylmercapto)propionaldehyde
    • Methional, natural, 98%, FG
    • beta -(methylthio)propionaldehyde
    • FEMA 2747
    • beta-(Methylthio) propionaldehyde
    • beta(Methylmercapto)propionaldehyde
    • beta(Methylthio)propionic aldehyde
    • NSC15874
    • 3-(Methylthio)propanal (Methional)
    • 3-(Methylthio)propionaldehyde, 8CI
    • METHYL MERCAPTOPROPIONALDEHYDE
    • Tox21_201978
    • Tox21_303157
    • beta -(methylmercapto)propionaldehyde
    • beta-(Methylmercapto) propionaldehyde
    • AKOS000119355
    • FM35573
    • UN 2785
    • 4-Thiapentanal [UN2785] [Poison]
    • NCGC00091800-01
    • NCGC00091800-02
    • NCGC00257223-01
    • NCGC00259527-01
    • 3-(methylthio)propionaldehyde (methional)
    • MS-20669
    • BETA-(METHYLTHIO)PROPIONIC ALDEHYDE
    • DB-003340
    • M0951
    • NS00006695
    • EN300-20267
    • A10691
    • Q2191936
    • 3-(Methylmercapto)propionaldehyde, 3-(Methylthio)propanal
    • 3-(Methylthio)propionaldehyde, analytical reference material
    • 221-882-5
    • 3-(Methylthio)-propanal; 3-Methylsulfanylpropionaldehyde; 3-Methylthio-1-propanal; 3-(Methylthio)propionaldehyde; ss-(Methylthio)propionic aldehyde
1 4

Botanical

Name CAS Botanical Proportion
Tamarind 1 dried fruit Tamarindus indica L., fam. Leguminosae 0.1%
Carob bean extract 1 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.05%