5-ethoxydihydro-2(3H)-furanone

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  • Identifiers

    CAS number
    932-85-4

    Molecular formula
    C6H10O3

    SMILES
    CCOC1CCC(=O)O1

    Safety labels

  • Odor profile

    Fragrance
    Sweet 60.27%
    Fruity 47.05%
    Herbal 44.47%
    Caramellic 41.27%
    Nutty 39.05%
    Coconut 38.54%
    Woody 38.22%
    Coumarinic 38.07%
    Spicy 35.48%
    Ethereal 35.03%

     

    Flavor
    Sweet 78.18%
    Fatty 41.0%
    Caramel 39.97%
    Coconut 37.99%
    Fruity 36.04%
    Fruit 35.97%
    Creamy 34.8%
    Nutty 33.95%
    Oily 33.23%
    Herbal 31.76%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    0.6

    pKa est.
    7.75 (neutral)

    Molecular weight
    130.14 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    235°C

    Flash point

    • 80.9 ˚C est.

  • Synonyms

    • 5-ethoxyoxolan-2-one
    • 5-Ethoxydihydro-2(3H)-furanone
    • CHEBI:87307
    • RefChem:1072848
    • 932-85-4
    • 2(3H)-Furanone, 5-ethoxydihydro-
    • 5-Ethoxy-4,5-dihydro-2(3H)furanone
    • NSC611096
    • 5-Ethoxy-4,5-dihydro-2(3H)-furanone
    • 4-Ethoxy-g-butyrolactone
    • .gamma.-Ethoxybutyrolactone
    • SCHEMBL2317576
    • SCHEMBL5831463
    • 4-Ethoxy-.gamma.-butyrolactone
    • 5-Ethoxydihydrofuran-2(3H)-one
    • DTXSID40326716
    • laquo gammaRaquo -ethoxybutyrolactone
    • NSC-611096
    • 4-Ethoxy-laquo gammaRaquo -butyrolactone
    • 4-Ethoxy-4-hydroxybutyric acid g-lactone
    • Q27159514
    • Butanoic acid, 4-oxo-, ethyl hemiacetal, .gamma.-lactone
    • 932-85-4

  • Applications

    5-ethoxydihydro-2(3H)-furanone (CAS 932-85-4) is primarily used as an aroma chemical and a synthetic intermediate in fragrance chemistry, where it is evaluated as a fragrance ingredient or odorant and serves as a building block for derivative fragrance molecules. It is also considered for cosmetics and personal care formulations to impart or modify scent, and may be included in household products and cleaners for fragrance contributions. Additionally, it serves as a versatile intermediate in industrial manufacturing for the synthesis of related furanone compounds and is of interest in research and development for exploring new fragrance derivatives.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 552.16
    methanol 1012.24
    isopropanol 411.2
    water 33.8
    ethyl acetate 361.22
    n-propanol 340.23
    acetone 889.92
    n-butanol 273.74
    acetonitrile 863.52
    DMF 1316.2
    toluene 130.99
    isobutanol 260.61
    1,4-dioxane 605.73
    methyl acetate 486.1
    THF 707.21
    2-butanone 478.77
    n-pentanol 207.03
    sec-butanol 302.21
    n-hexane 13.31
    ethylene glycol 287.79
    NMP 1306.97
    cyclohexane 14.79
    DMSO 1602.49
    n-butyl acetate 158.23
    n-octanol 106.89
    chloroform 1116.73
    n-propyl acetate 196.53
    acetic acid 1481.09
    dichloromethane 1261.0
    cyclohexanone 577.15
    propylene glycol 274.05
    isopropyl acetate 221.5
    DMAc 1210.37
    2-ethoxyethanol 468.63
    isopentanol 234.77
    n-heptane 8.32
    ethyl formate 308.02
    1,2-dichloroethane 526.93
    n-hexanol 130.58
    2-methoxyethanol 798.36
    isobutyl acetate 133.35
    tetrachloromethane 98.07
    n-pentyl acetate 133.72
    transcutol 920.64
    n-heptanol 71.05
    ethylbenzene 80.18
    MIBK 200.76
    2-propoxyethanol 352.24
    tert-butanol 427.3
    MTBE 274.91
    2-butoxyethanol 189.33
    propionic acid 578.71
    o-xylene 111.63
    formic acid 725.85
    diethyl ether 209.88
    m-xylene 108.28
    p-xylene 124.52
    chlorobenzene 323.38
    dimethyl carbonate 207.89
    n-octane 5.34
    formamide 778.25
    cyclopentanone 852.11
    2-pentanone 327.93
    anisole 253.21
    cyclopentyl methyl ether 278.25
    gamma-butyrolactone 1161.43
    1-methoxy-2-propanol 539.0
    pyridine 548.98
    3-pentanone 241.32
    furfural 1045.1
    n-dodecane 8.28
    diethylene glycol 373.67
    diisopropyl ether 62.15
    tert-amyl alcohol 336.83
    acetylacetone 516.76
    n-hexadecane 9.37
    acetophenone 305.35
    methyl propionate 342.73
    isopentyl acetate 151.27
    trichloroethylene 1222.51
    n-nonanol 87.71
    cyclohexanol 240.08
    benzyl alcohol 265.14
    2-ethylhexanol 75.96
    isooctanol 65.41
    dipropyl ether 71.85
    1,2-dichlorobenzene 319.47
    ethyl lactate 146.84
    propylene carbonate 528.6
    n-methylformamide 753.63
    2-pentanol 173.57
    n-pentane 12.21
    1-propoxy-2-propanol 193.07
    1-methoxy-2-propyl acetate 204.19
    2-(2-methoxypropoxy) propanol 250.43
    mesitylene 65.36
    ε-caprolactone 527.05
    p-cymene 52.3
    epichlorohydrin 885.14
    1,1,1-trichloroethane 426.98
    2-aminoethanol 400.13
    morpholine-4-carbaldehyde 953.94
    sulfolane 1275.88
    2,2,4-trimethylpentane 15.11
    2-methyltetrahydrofuran 488.93
    n-hexyl acetate 229.74
    isooctane 9.67
    2-(2-butoxyethoxy)ethanol 287.36
    sec-butyl acetate 142.28
    tert-butyl acetate 230.68
    decalin 18.72
    glycerin 430.73
    diglyme 500.41
    acrylic acid 666.89
    isopropyl myristate 82.19
    n-butyric acid 512.97
    acetyl acetate 339.92
    di(2-ethylhexyl) phthalate 113.07
    ethyl propionate 183.78
    nitromethane 1972.04
    1,2-diethoxyethane 193.58
    benzonitrile 407.09
    trioctyl phosphate 68.87
    1-bromopropane 208.74
    gamma-valerolactone 1036.01
    n-decanol 62.68
    triethyl phosphate 88.36
    4-methyl-2-pentanol 101.46
    propionitrile 399.07
    vinylene carbonate 550.16
    1,1,2-trichlorotrifluoroethane 736.87
    DMS 238.54
    cumene 66.26
    2-octanol 60.09
    2-hexanone 200.42
    octyl acetate 110.6
    limonene 71.56
    1,2-dimethoxyethane 530.71
    ethyl orthosilicate 77.42
    tributyl phosphate 91.82
    diacetone alcohol 295.38
    N,N-dimethylaniline 178.71
    acrylonitrile 637.32
    aniline 270.75
    1,3-propanediol 427.42
    bromobenzene 320.4
    dibromomethane 609.77
    1,1,2,2-tetrachloroethane 768.93
    2-methyl-cyclohexyl acetate 121.68
    tetrabutyl urea 124.19
    diisobutyl methanol 52.45
    2-phenylethanol 172.02
    styrene 116.63
    dioctyl adipate 143.95
    dimethyl sulfate 457.71
    ethyl butyrate 127.03
    methyl lactate 264.28
    butyl lactate 131.72
    diethyl carbonate 106.34
    propanediol butyl ether 243.31
    triethyl orthoformate 93.86
    p-tert-butyltoluene 50.8
    methyl 4-tert-butylbenzoate 225.22
    morpholine 647.32
    tert-butylamine 218.22
    n-dodecanol 48.09
    dimethoxymethane 471.83
    ethylene carbonate 378.48
    cyrene 280.97
    2-ethoxyethyl acetate 211.3
    2-ethylhexyl acetate 111.43
    1,2,4-trichlorobenzene 399.78
    4-methylpyridine 580.98
    dibutyl ether 93.62
    2,6-dimethyl-4-heptanol 52.45
    DEF 473.04
    dimethyl isosorbide 354.01
    tetrachloroethylene 452.54
    eugenol 217.79
    triacetin 294.04
    span 80 199.53
    1,4-butanediol 208.31
    1,1-dichloroethane 558.6
    2-methyl-1-pentanol 192.27
    methyl formate 538.79
    2-methyl-1-butanol 237.21
    n-decane 11.79
    butyronitrile 339.17
    3,7-dimethyl-1-octanol 105.7
    1-chlorooctane 57.74
    1-chlorotetradecane 27.01
    n-nonane 10.42
    undecane 9.57
    tert-butylcyclohexane 18.93
    cyclooctane 6.05
    cyclopentanol 321.74
    tetrahydropyran 336.54
    tert-amyl methyl ether 198.05
    2,5,8-trioxanonane 374.75
    1-hexene 61.41
    2-isopropoxyethanol 286.57
    2,2,2-trifluoroethanol 453.68
    methyl butyrate 270.17

    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