5-Propylfuran-2(5H)-one

Overview IFRA Request a quote

  • Identifiers

    CAS number
    57681-53-5

    Molecular formula
    C7H10O2

    SMILES
    CCCC1C=CC(=O)O1

  • Odor profile

    Fragrance
    Coconut 69.36%
    Sweet 67.39%
    Coumarinic 63.77%
    Caramellic 54.46%
    Nutty 53.41%
    Buttery 50.84%
    Lactonic 50.37%
    Spicy 47.24%
    Fruity 45.77%
    Creamy 44.55%

     

    Flavor
    Spice 39.85%
    Herbal 32.98%
    Celery 26.41%
    Minty 26.29%
    Caramel 25.71%
    Fatty 21.82%
    Lovage 20.09%
    Tonka 19.89%
    Leaves 19.7%
    Coconut 19.69%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.5

    pKa est.
    7.63 (neutral)

    Molecular weight
    126.15 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    237°C

    Flash point

    • 83.91 ˚C est.

  • Synonyms

    • 5-Propylfuran-2(5H)-one
    • 57681-53-5
    • 2(5H)-Furanone, 5-propyl-
    • EINECS 260-902-7
    • 5-Propyl-2(5H)-furanone
    • 2-hepten-4-olide
    • XXV2BP7ELX
    • 5-propyl furan-2(5H)-one
    • SCHEMBL3655170
    • DTXSID60866644
    • CLCLZCBNFSGUOD-UHFFFAOYSA-N
    • 5-Propyl-2,5-dihydrofuran-2-one
    • 4-Hydroxy-2-heptenoic acid lactone
    • DB-317808
    • NS00053901
    • 2-Heptenoic acid, 4-hydroxy-, gamma-lactone

  • Applications

    5-Propylfuran-2(5H)-one (CAS 57681-53-5) is a furanone lactone with a fruity odor, primarily used as a fragrance ingredient in the perfume industry and as a flavoring aroma in food applications. It is also employed in cosmetics and personal care as a fragrance component, and in household and cleaning products to improve scent and impart a pleasant aroma. In industrial contexts, 5-Propylfuran-2(5H)-one often serves as an intermediate or building block for the synthesis of other aroma compounds and fragrance formulations. Use and formulation limits may vary by local regulation.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 621.08
    methanol 633.84
    isopropanol 446.69
    water 0.59
    ethyl acetate 720.03
    n-propanol 419.59
    acetone 1298.94
    n-butanol 418.63
    acetonitrile 679.2
    DMF 1596.2
    toluene 217.31
    isobutanol 337.6
    1,4-dioxane 851.43
    methyl acetate 688.43
    THF 1658.02
    2-butanone 818.34
    n-pentanol 284.98
    sec-butanol 373.56
    n-hexane 28.7
    ethylene glycol 162.31
    NMP 1591.89
    cyclohexane 43.36
    DMSO 2086.99
    n-butyl acetate 431.29
    n-octanol 172.67
    chloroform 1555.69
    n-propyl acetate 351.04
    acetic acid 824.9
    dichloromethane 1820.7
    cyclohexanone 1032.89
    propylene glycol 217.59
    isopropyl acetate 410.29
    DMAc 922.98
    2-ethoxyethanol 381.5
    isopentanol 376.17
    n-heptane 17.62
    ethyl formate 391.39
    1,2-dichloroethane 1056.39
    n-hexanol 331.2
    2-methoxyethanol 683.1
    isobutyl acetate 225.72
    tetrachloromethane 129.74
    n-pentyl acetate 250.67
    transcutol 1633.19
    n-heptanol 135.65
    ethylbenzene 126.94
    MIBK 365.66
    2-propoxyethanol 522.57
    tert-butanol 518.13
    MTBE 466.19
    2-butoxyethanol 259.84
    propionic acid 572.81
    o-xylene 153.84
    formic acid 203.07
    diethyl ether 440.04
    m-xylene 183.35
    p-xylene 162.87
    chlorobenzene 488.05
    dimethyl carbonate 282.85
    n-octane 10.25
    formamide 346.28
    cyclopentanone 1503.26
    2-pentanone 645.62
    anisole 371.08
    cyclopentyl methyl ether 563.43
    gamma-butyrolactone 1699.98
    1-methoxy-2-propanol 601.15
    pyridine 784.16
    3-pentanone 418.82
    furfural 1051.61
    n-dodecane 14.65
    diethylene glycol 417.48
    diisopropyl ether 137.86
    tert-amyl alcohol 410.98
    acetylacetone 789.08
    n-hexadecane 17.14
    acetophenone 361.52
    methyl propionate 583.82
    isopentyl acetate 364.75
    trichloroethylene 1908.48
    n-nonanol 145.27
    cyclohexanol 371.28
    benzyl alcohol 285.77
    2-ethylhexanol 177.56
    isooctanol 117.83
    dipropyl ether 161.6
    1,2-dichlorobenzene 432.95
    ethyl lactate 182.08
    propylene carbonate 763.4
    n-methylformamide 639.64
    2-pentanol 295.52
    n-pentane 25.17
    1-propoxy-2-propanol 374.77
    1-methoxy-2-propyl acetate 419.78
    2-(2-methoxypropoxy) propanol 378.58
    mesitylene 117.11
    ε-caprolactone 793.32
    p-cymene 92.0
    epichlorohydrin 1489.44
    1,1,1-trichloroethane 760.07
    2-aminoethanol 265.72
    morpholine-4-carbaldehyde 997.85
    sulfolane 2010.01
    2,2,4-trimethylpentane 25.27
    2-methyltetrahydrofuran 1018.16
    n-hexyl acetate 442.81
    isooctane 22.98
    2-(2-butoxyethoxy)ethanol 490.54
    sec-butyl acetate 245.71
    tert-butyl acetate 440.63
    decalin 36.11
    glycerin 287.29
    diglyme 747.92
    acrylic acid 516.12
    isopropyl myristate 156.21
    n-butyric acid 667.98
    acetyl acetate 425.22
    di(2-ethylhexyl) phthalate 169.83
    ethyl propionate 309.39
    nitromethane 1376.2
    1,2-diethoxyethane 386.76
    benzonitrile 443.88
    trioctyl phosphate 120.24
    1-bromopropane 527.71
    gamma-valerolactone 1318.19
    n-decanol 109.54
    triethyl phosphate 131.17
    4-methyl-2-pentanol 180.79
    propionitrile 453.36
    vinylene carbonate 641.8
    1,1,2-trichlorotrifluoroethane 754.09
    DMS 393.08
    cumene 97.38
    2-octanol 111.27
    2-hexanone 376.14
    octyl acetate 206.87
    limonene 139.44
    1,2-dimethoxyethane 615.54
    ethyl orthosilicate 118.24
    tributyl phosphate 156.89
    diacetone alcohol 487.15
    N,N-dimethylaniline 217.75
    acrylonitrile 656.74
    aniline 329.05
    1,3-propanediol 362.3
    bromobenzene 538.08
    dibromomethane 1063.87
    1,1,2,2-tetrachloroethane 1290.58
    2-methyl-cyclohexyl acetate 232.3
    tetrabutyl urea 194.44
    diisobutyl methanol 110.46
    2-phenylethanol 287.53
    styrene 184.58
    dioctyl adipate 244.69
    dimethyl sulfate 503.36
    ethyl butyrate 255.05
    methyl lactate 280.45
    butyl lactate 212.11
    diethyl carbonate 187.54
    propanediol butyl ether 363.72
    triethyl orthoformate 166.09
    p-tert-butyltoluene 91.98
    methyl 4-tert-butylbenzoate 324.5
    morpholine 1011.27
    tert-butylamine 287.74
    n-dodecanol 84.79
    dimethoxymethane 666.32
    ethylene carbonate 492.32
    cyrene 333.77
    2-ethoxyethyl acetate 383.47
    2-ethylhexyl acetate 261.24
    1,2,4-trichlorobenzene 540.71
    4-methylpyridine 727.41
    dibutyl ether 192.61
    2,6-dimethyl-4-heptanol 110.46
    DEF 665.15
    dimethyl isosorbide 596.39
    tetrachloroethylene 684.17
    eugenol 315.9
    triacetin 448.01
    span 80 322.31
    1,4-butanediol 163.95
    1,1-dichloroethane 1024.32
    2-methyl-1-pentanol 290.14
    methyl formate 522.25
    2-methyl-1-butanol 335.87
    n-decane 20.37
    butyronitrile 490.86
    3,7-dimethyl-1-octanol 191.76
    1-chlorooctane 117.05
    1-chlorotetradecane 50.75
    n-nonane 18.76
    undecane 17.12
    tert-butylcyclohexane 35.96
    cyclooctane 14.56
    cyclopentanol 516.22
    tetrahydropyran 828.59
    tert-amyl methyl ether 307.77
    2,5,8-trioxanonane 552.63
    1-hexene 140.17
    2-isopropoxyethanol 295.57
    2,2,2-trifluoroethanol 230.71
    methyl butyrate 426.98

    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