5-Butylfuran-2(5H)-one

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  • Identifiers

    CAS number
    30336-14-2

    Molecular formula
    C8H12O2

    SMILES
    CCCCC1C=CC(=O)O1

    Safety labels

  • Odor profile

    Fragrance
    Coconut 66.96%
    Lactonic 58.3%
    Coumarinic 51.21%
    Fruity 49.48%
    Buttery 48.05%
    Sweet 46.98%
    Creamy 43.21%
    Nutty 42.72%
    Caramellic 42.12%
    Spicy 41.94%

     

    Flavor
    Herbal 47.61%
    Spice 36.38%
    Celery 31.84%
    Fatty 28.83%
    Coconut 27.03%
    Oily 25.97%
    Fresh 24.26%
    Minty 24.05%
    Tonka 22.88%
    Caramel 21.2%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.0

    pKa est.
    7.61 (neutral)

    Molecular weight
    140.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    259°C

    Flash point

    • 90.75 ˚C est.

  • Synonyms

    • 5-Butylfuran-2(5H)-one
    • 30336-14-2
    • 5-butyl-2(5H)-furanone
    • EINECS 250-133-5
    • (1)-5-Butylfuran-2(5H)-one
    • 2-octen-4-olide
    • EINECS 274-596-8
    • 2(5H)-Furanone, 5-butyl-
    • SCHEMBL9993726
    • DTXSID30952684
    • 70404-04-5
    • NS00050283
    • 30336-14-2

  • Applications

    5-Butylfuran-2(5H)-one (CAS 30336-14-2) is regarded as a useful intermediate in organic synthesis and is often evaluated as a solvent or processing aid for selective reactions; in the fragrance and cosmetics sectors, it may function as an aroma compound or fragrance ingredient; in the polymer and plastics field, as well as in coatings and inks, it can serve as a building block for specialty polymers or as a solvent/processing aid for surface treatment; and in broader industrial manufacturing, it may be used as an additive or processing aid to optimize formulation and production performance.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 797.23
    methanol 989.85
    isopropanol 484.76
    water 0.31
    ethyl acetate 694.8
    n-propanol 548.57
    acetone 1468.87
    n-butanol 504.81
    acetonitrile 733.79
    DMF 2028.53
    toluene 387.58
    isobutanol 400.22
    1,4-dioxane 802.52
    methyl acetate 705.54
    THF 1435.71
    2-butanone 1020.24
    n-pentanol 370.24
    sec-butanol 458.24
    n-hexane 49.96
    ethylene glycol 216.67
    NMP 1708.86
    cyclohexane 58.0
    DMSO 3097.93
    n-butyl acetate 562.25
    n-octanol 175.04
    chloroform 1745.88
    n-propyl acetate 480.93
    acetic acid 742.57
    dichloromethane 1877.34
    cyclohexanone 1178.83
    propylene glycol 294.94
    isopropyl acetate 396.43
    DMAc 1225.31
    2-ethoxyethanol 511.06
    isopentanol 494.73
    n-heptane 17.81
    ethyl formate 439.71
    1,2-dichloroethane 1316.59
    n-hexanol 370.04
    2-methoxyethanol 937.27
    isobutyl acetate 269.76
    tetrachloromethane 183.48
    n-pentyl acetate 287.19
    transcutol 2834.95
    n-heptanol 135.12
    ethylbenzene 215.27
    MIBK 422.67
    2-propoxyethanol 603.64
    tert-butanol 532.14
    MTBE 507.43
    2-butoxyethanol 324.53
    propionic acid 589.19
    o-xylene 232.14
    formic acid 295.76
    diethyl ether 458.37
    m-xylene 272.46
    p-xylene 250.56
    chlorobenzene 714.94
    dimethyl carbonate 306.42
    n-octane 7.91
    formamide 524.31
    cyclopentanone 1585.18
    2-pentanone 799.28
    anisole 522.96
    cyclopentyl methyl ether 634.77
    gamma-butyrolactone 1582.36
    1-methoxy-2-propanol 711.0
    pyridine 1050.3
    3-pentanone 513.29
    furfural 1403.36
    n-dodecane 7.87
    diethylene glycol 490.16
    diisopropyl ether 134.64
    tert-amyl alcohol 508.54
    acetylacetone 828.41
    n-hexadecane 9.62
    acetophenone 514.37
    methyl propionate 622.91
    isopentyl acetate 473.22
    trichloroethylene 2457.6
    n-nonanol 139.32
    cyclohexanol 465.24
    benzyl alcohol 429.97
    2-ethylhexanol 212.97
    isooctanol 118.92
    dipropyl ether 184.53
    1,2-dichlorobenzene 620.43
    ethyl lactate 219.35
    propylene carbonate 759.6
    n-methylformamide 898.86
    2-pentanol 340.17
    n-pentane 36.61
    1-propoxy-2-propanol 435.26
    1-methoxy-2-propyl acetate 493.51
    2-(2-methoxypropoxy) propanol 439.06
    mesitylene 150.97
    ε-caprolactone 908.68
    p-cymene 105.01
    epichlorohydrin 1657.81
    1,1,1-trichloroethane 924.49
    2-aminoethanol 390.08
    morpholine-4-carbaldehyde 1154.16
    sulfolane 2104.84
    2,2,4-trimethylpentane 28.85
    2-methyltetrahydrofuran 1061.46
    n-hexyl acetate 484.29
    isooctane 24.3
    2-(2-butoxyethoxy)ethanol 640.3
    sec-butyl acetate 300.66
    tert-butyl acetate 446.93
    decalin 46.09
    glycerin 382.95
    diglyme 1045.9
    acrylic acid 562.03
    isopropyl myristate 138.8
    n-butyric acid 659.35
    acetyl acetate 392.09
    di(2-ethylhexyl) phthalate 175.91
    ethyl propionate 394.06
    nitromethane 1439.52
    1,2-diethoxyethane 552.46
    benzonitrile 615.41
    trioctyl phosphate 109.05
    1-bromopropane 619.81
    gamma-valerolactone 1449.96
    n-decanol 99.71
    triethyl phosphate 142.95
    4-methyl-2-pentanol 205.66
    propionitrile 499.65
    vinylene carbonate 697.44
    1,1,2-trichlorotrifluoroethane 1069.93
    DMS 445.49
    cumene 135.41
    2-octanol 104.57
    2-hexanone 559.07
    octyl acetate 188.54
    limonene 150.05
    1,2-dimethoxyethane 799.04
    ethyl orthosilicate 131.54
    tributyl phosphate 163.96
    diacetone alcohol 571.57
    N,N-dimethylaniline 311.16
    acrylonitrile 741.62
    aniline 551.71
    1,3-propanediol 474.84
    bromobenzene 787.47
    dibromomethane 1195.9
    1,1,2,2-tetrachloroethane 1848.7
    2-methyl-cyclohexyl acetate 257.38
    tetrabutyl urea 209.06
    diisobutyl methanol 119.99
    2-phenylethanol 382.04
    styrene 315.82
    dioctyl adipate 245.75
    dimethyl sulfate 584.26
    ethyl butyrate 312.51
    methyl lactate 335.4
    butyl lactate 286.17
    diethyl carbonate 216.8
    propanediol butyl ether 505.91
    triethyl orthoformate 184.77
    p-tert-butyltoluene 104.14
    methyl 4-tert-butylbenzoate 332.07
    morpholine 1093.05
    tert-butylamine 317.68
    n-dodecanol 71.56
    dimethoxymethane 726.74
    ethylene carbonate 495.33
    cyrene 383.07
    2-ethoxyethyl acetate 457.83
    2-ethylhexyl acetate 349.04
    1,2,4-trichlorobenzene 769.55
    4-methylpyridine 1152.73
    dibutyl ether 213.49
    2,6-dimethyl-4-heptanol 119.99
    DEF 827.96
    dimethyl isosorbide 624.28
    tetrachloroethylene 958.5
    eugenol 361.86
    triacetin 449.97
    span 80 362.3
    1,4-butanediol 208.14
    1,1-dichloroethane 1139.91
    2-methyl-1-pentanol 383.75
    methyl formate 625.55
    2-methyl-1-butanol 445.83
    n-decane 13.59
    butyronitrile 545.29
    3,7-dimethyl-1-octanol 222.43
    1-chlorooctane 107.96
    1-chlorotetradecane 37.81
    n-nonane 13.2
    undecane 10.05
    tert-butylcyclohexane 41.25
    cyclooctane 18.64
    cyclopentanol 538.71
    tetrahydropyran 833.19
    tert-amyl methyl ether 360.37
    2,5,8-trioxanonane 645.44
    1-hexene 231.83
    2-isopropoxyethanol 370.52
    2,2,2-trifluoroethanol 222.37
    methyl butyrate 568.6

    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