5-Nonen-2-one

Overview IFRA Request a quote

  • Identifiers

    CAS number
    27039-84-5

    Molecular formula
    C9H16O

    SMILES
    CCCC=CCCC(=O)C

  • Odor profile

    Fragrance
    Fruity 84.63%
    Fatty 68.81%
    Herbal 68.09%
    Green 59.18%
    Earthy 55.69%
    Dairy 53.12%
    Cheesy 51.26%
    Ketonic 46.68%
    Mushroom 44.36%
    Oily 42.13%

     

    Flavor
    Fruity 47.95%
    Green 36.4%
    Floral 35.65%
    Fatty 34.76%
    Fresh 34.74%
    Spicy 28.67%
    Citrus 27.37%
    Herbal 25.76%
    Mushroom 25.51%
    Oily 25.33%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.2

    pKa est.
    8.91 (weak base)

    Molecular weight
    140.22 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    191°C

    Flash point

    • 67.0 ˚C est.

    Solubility expt.

    • Sparingly soluble in water; soluble in many non-polar solvents
    • Soluble (in ethanol)

  • Synonyms

    • 5-Nonen-2-one
    • 27039-84-5
    • EINECS 248-181-7
    • 248-181-7
    • Non-5-en-2-one
    • DTXSID9067275
    • CHEBI:167144
    • DTXCID0037609
    • RXFZCBZCGBDPDT-UHFFFAOYSA-N
    • NS00083943

  • Applications

    5-Nonen-2-one (CAS 27039-84-5) is primarily used as a fragrance/odorant ingredient in the perfume and flavor industries, commonly employed as an aroma note or as a synthesis intermediate for additional fragrance compounds; in cosmetics and personal care, it may serve as a light fragrance component or a base scent in formulations; in cleaning and household products, it can contribute to odor profiles and long-lasting fragrance; in industrial manufacturing, it is used as a chemical intermediate in organic synthesis and as a processing aid where appropriate; in coatings and inks, it may be used as a fragrance additive or as a precursor for aroma-related formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3834.92
    methanol 3582.61
    isopropanol 3398.36
    water 0.7
    ethyl acetate 1937.82
    n-propanol 2841.24
    acetone 3385.2
    n-butanol 2708.04
    acetonitrile 1922.92
    DMF 2145.31
    toluene 927.25
    isobutanol 2105.26
    1,4-dioxane 2849.92
    methyl acetate 1520.1
    THF 3699.64
    2-butanone 2163.54
    n-pentanol 1828.7
    sec-butanol 2633.56
    n-hexane 1753.95
    ethylene glycol 483.89
    NMP 1646.35
    cyclohexane 1127.02
    DMSO 2408.47
    n-butyl acetate 1682.26
    n-octanol 929.82
    chloroform 3937.41
    n-propyl acetate 1154.63
    acetic acid 1631.04
    dichloromethane 2693.93
    cyclohexanone 2597.85
    propylene glycol 1055.91
    isopropyl acetate 1166.22
    DMAc 1481.24
    2-ethoxyethanol 1450.68
    isopentanol 2141.66
    n-heptane 623.17
    ethyl formate 788.2
    1,2-dichloroethane 1684.55
    n-hexanol 2418.85
    2-methoxyethanol 2338.41
    isobutyl acetate 721.81
    tetrachloromethane 820.91
    n-pentyl acetate 883.23
    transcutol 5152.78
    n-heptanol 771.75
    ethylbenzene 573.63
    MIBK 1024.13
    2-propoxyethanol 2291.49
    tert-butanol 3539.99
    MTBE 2756.75
    2-butoxyethanol 1003.43
    propionic acid 1601.92
    o-xylene 534.87
    formic acid 357.01
    diethyl ether 3020.57
    m-xylene 625.49
    p-xylene 621.67
    chlorobenzene 948.99
    dimethyl carbonate 298.57
    n-octane 184.39
    formamide 420.53
    cyclopentanone 2281.19
    2-pentanone 2025.84
    anisole 833.55
    cyclopentyl methyl ether 2189.14
    gamma-butyrolactone 1911.71
    1-methoxy-2-propanol 2017.22
    pyridine 1939.26
    3-pentanone 1257.55
    furfural 1280.89
    n-dodecane 101.89
    diethylene glycol 1212.28
    diisopropyl ether 821.72
    tert-amyl alcohol 2676.9
    acetylacetone 1373.44
    n-hexadecane 114.95
    acetophenone 644.21
    methyl propionate 1171.7
    isopentyl acetate 1378.34
    trichloroethylene 2678.48
    n-nonanol 743.45
    cyclohexanol 2412.34
    benzyl alcohol 698.68
    2-ethylhexanol 1323.33
    isooctanol 616.73
    dipropyl ether 1594.12
    1,2-dichlorobenzene 737.76
    ethyl lactate 430.14
    propylene carbonate 1002.94
    n-methylformamide 942.98
    2-pentanol 2079.48
    n-pentane 918.55
    1-propoxy-2-propanol 1860.86
    1-methoxy-2-propyl acetate 1172.78
    2-(2-methoxypropoxy) propanol 950.2
    mesitylene 400.23
    ε-caprolactone 1790.72
    p-cymene 337.57
    epichlorohydrin 1981.18
    1,1,1-trichloroethane 2110.64
    2-aminoethanol 1201.85
    morpholine-4-carbaldehyde 1603.46
    sulfolane 1998.59
    2,2,4-trimethylpentane 278.55
    2-methyltetrahydrofuran 3390.37
    n-hexyl acetate 1396.25
    isooctane 232.27
    2-(2-butoxyethoxy)ethanol 1416.03
    sec-butyl acetate 773.25
    tert-butyl acetate 1218.75
    decalin 394.34
    glycerin 906.81
    diglyme 1998.94
    acrylic acid 1013.19
    isopropyl myristate 457.09
    n-butyric acid 2347.52
    acetyl acetate 798.66
    di(2-ethylhexyl) phthalate 375.94
    ethyl propionate 908.85
    nitromethane 1618.92
    1,2-diethoxyethane 1862.32
    benzonitrile 989.48
    trioctyl phosphate 289.58
    1-bromopropane 1990.21
    gamma-valerolactone 2130.47
    n-decanol 524.42
    triethyl phosphate 334.21
    4-methyl-2-pentanol 934.76
    propionitrile 1617.31
    vinylene carbonate 824.88
    1,1,2-trichlorotrifluoroethane 1546.88
    DMS 682.7
    cumene 364.61
    2-octanol 608.27
    2-hexanone 1492.13
    octyl acetate 565.15
    limonene 699.0
    1,2-dimethoxyethane 2229.01
    ethyl orthosilicate 382.6
    tributyl phosphate 393.69
    diacetone alcohol 1240.52
    N,N-dimethylaniline 571.1
    acrylonitrile 1396.89
    aniline 1175.19
    1,3-propanediol 1500.46
    bromobenzene 1030.82
    dibromomethane 2388.9
    1,1,2,2-tetrachloroethane 2552.01
    2-methyl-cyclohexyl acetate 695.72
    tetrabutyl urea 488.46
    diisobutyl methanol 621.34
    2-phenylethanol 808.28
    styrene 748.56
    dioctyl adipate 604.77
    dimethyl sulfate 442.66
    ethyl butyrate 969.68
    methyl lactate 522.51
    butyl lactate 647.49
    diethyl carbonate 505.71
    propanediol butyl ether 1161.43
    triethyl orthoformate 644.87
    p-tert-butyltoluene 344.92
    methyl 4-tert-butylbenzoate 597.85
    morpholine 3652.54
    tert-butylamine 2476.65
    n-dodecanol 386.75
    dimethoxymethane 1207.4
    ethylene carbonate 778.65
    cyrene 589.25
    2-ethoxyethyl acetate 963.05
    2-ethylhexyl acetate 1057.29
    1,2,4-trichlorobenzene 856.81
    4-methylpyridine 1992.98
    dibutyl ether 1496.37
    2,6-dimethyl-4-heptanol 621.34
    DEF 1723.12
    dimethyl isosorbide 1121.51
    tetrachloroethylene 1681.66
    eugenol 594.45
    triacetin 946.04
    span 80 1002.49
    1,4-butanediol 604.18
    1,1-dichloroethane 2433.25
    2-methyl-1-pentanol 1440.47
    methyl formate 553.34
    2-methyl-1-butanol 1994.65
    n-decane 201.0
    butyronitrile 1958.15
    3,7-dimethyl-1-octanol 893.92
    1-chlorooctane 647.45
    1-chlorotetradecane 219.12
    n-nonane 243.39
    undecane 137.31
    tert-butylcyclohexane 382.75
    cyclooctane 333.73
    cyclopentanol 2073.28
    tetrahydropyran 3918.31
    tert-amyl methyl ether 1739.1
    2,5,8-trioxanonane 1310.41
    1-hexene 3094.18
    2-isopropoxyethanol 1143.37
    2,2,2-trifluoroethanol 344.64
    methyl butyrate 1245.02

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction