5-Acetyl-2,3-dimethylfuran

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  • Identifiers

    CAS number
    73761-44-1

    Molecular formula
    C8H10O2

    SMILES
    CC1=C(OC(=C1)C(=O)C)C

    Safety labels

  • Odor profile

    Fragrance
    Sweet 71.75%
    Nutty 66.51%
    Caramellic 59.36%
    Roasted 57.12%
    Musty 44.22%
    Coumarinic 42.84%
    Hay 42.45%
    Burnt 38.28%
    Earthy 36.89%
    Creamy 35.3%

     

    Flavor
    Nutty 59.16%
    Sweet 54.42%
    Musty 48.9%
    Caramel 45.34%
    Burnt 44.13%
    Earthy 43.53%
    Cocoa 41.66%
    Coffee 39.89%
    Potato 39.24%
    Roasted 38.71%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.8

    pKa est.
    7.43 (neutral)

    Molecular weight
    138.16 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    204°C

    Flash point

    • 65.88 ˚C est.

  • Synonyms

    • 73761-44-1
    • 5-ACETYL-2,3-DIMETHYLFURAN
    • 1-(4,5-DIMETHYLFURAN-2-YL)ETHANONE
    • 2-ACETYL-4,5-DIMETHYLFURAN
    • 1-(4,5-dimethylfuran-2-yl)ethan-1-one
    • 1-(4,5-dimethyl-2-furyl)ethanone
    • 1-(4,5-dimethyl-2-furanyl)Ethanone
    • 2-acetyl-4,5-di-methylfuran
    • SCHEMBL10242709
    • AKOS005167013
    • DB-074737
    • CS-0238827
    • EN300-201038
    • 73761-44-1

  • Applications

    5-Acetyl-2,3-dimethylfuran (CAS 73761-44-1) is used as a fragrance ingredient and odorant in perfumery; it also serves as a fragrance component in cosmetics and personal care products. It may be employed as an aroma compound in flavor formulations and other aroma applications. The compound is commonly utilized as an intermediate in the synthesis of additional fragrance-related materials for industrial manufacturing, and as a scent additive in household and cleaning products. Uses are typically governed by local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1375.0
    methanol 2017.99
    isopropanol 1265.43
    water 60.17
    ethyl acetate 1024.99
    n-propanol 1147.86
    acetone 1644.68
    n-butanol 986.43
    acetonitrile 1133.56
    DMF 2630.76
    toluene 545.89
    isobutanol 965.5
    1,4-dioxane 1864.94
    methyl acetate 1515.42
    THF 1641.2
    2-butanone 1306.01
    n-pentanol 631.41
    sec-butanol 1124.71
    n-hexane 118.57
    ethylene glycol 677.05
    NMP 1113.08
    cyclohexane 108.84
    DMSO 1541.69
    n-butyl acetate 406.12
    n-octanol 401.46
    chloroform 2238.33
    n-propyl acetate 468.96
    acetic acid 602.86
    dichloromethane 2191.88
    cyclohexanone 1012.41
    propylene glycol 696.57
    isopropyl acetate 571.27
    DMAc 2006.44
    2-ethoxyethanol 1244.38
    isopentanol 783.94
    n-heptane 57.99
    ethyl formate 951.8
    1,2-dichloroethane 1314.41
    n-hexanol 523.04
    2-methoxyethanol 2161.73
    isobutyl acetate 307.64
    tetrachloromethane 460.05
    n-pentyl acetate 343.76
    transcutol 1164.3
    n-heptanol 293.69
    ethylbenzene 377.5
    MIBK 531.15
    2-propoxyethanol 989.16
    tert-butanol 1298.71
    MTBE 1138.05
    2-butoxyethanol 552.22
    propionic acid 730.07
    o-xylene 405.74
    formic acid 468.22
    diethyl ether 961.55
    m-xylene 372.62
    p-xylene 556.22
    chlorobenzene 647.14
    dimethyl carbonate 541.9
    n-octane 50.42
    formamide 757.72
    cyclopentanone 1186.82
    2-pentanone 879.58
    anisole 903.63
    cyclopentyl methyl ether 735.76
    gamma-butyrolactone 1304.79
    1-methoxy-2-propanol 1436.29
    pyridine 1039.85
    3-pentanone 687.68
    furfural 1408.81
    n-dodecane 50.1
    diethylene glycol 892.62
    diisopropyl ether 289.07
    tert-amyl alcohol 1033.61
    acetylacetone 1096.22
    n-hexadecane 55.79
    acetophenone 630.09
    methyl propionate 923.43
    isopentyl acetate 392.85
    trichloroethylene 1934.34
    n-nonanol 325.02
    cyclohexanol 678.94
    benzyl alcohol 638.25
    2-ethylhexanol 295.22
    isooctanol 243.83
    dipropyl ether 283.46
    1,2-dichlorobenzene 617.74
    ethyl lactate 308.09
    propylene carbonate 753.48
    n-methylformamide 1365.85
    2-pentanol 669.1
    n-pentane 110.74
    1-propoxy-2-propanol 550.25
    1-methoxy-2-propyl acetate 461.22
    2-(2-methoxypropoxy) propanol 448.28
    mesitylene 242.48
    ε-caprolactone 891.02
    p-cymene 166.38
    epichlorohydrin 1796.39
    1,1,1-trichloroethane 1267.63
    2-aminoethanol 932.72
    morpholine-4-carbaldehyde 1646.49
    sulfolane 1149.44
    2,2,4-trimethylpentane 85.98
    2-methyltetrahydrofuran 1211.76
    n-hexyl acetate 555.82
    isooctane 60.81
    2-(2-butoxyethoxy)ethanol 560.37
    sec-butyl acetate 339.73
    tert-butyl acetate 565.56
    decalin 96.3
    glycerin 825.07
    diglyme 1156.18
    acrylic acid 613.11
    isopropyl myristate 205.43
    n-butyric acid 728.36
    acetyl acetate 609.57
    di(2-ethylhexyl) phthalate 189.23
    ethyl propionate 480.87
    nitromethane 1612.63
    1,2-diethoxyethane 511.8
    benzonitrile 672.48
    trioctyl phosphate 147.6
    1-bromopropane 824.86
    gamma-valerolactone 1690.57
    n-decanol 240.32
    triethyl phosphate 188.9
    4-methyl-2-pentanol 358.83
    propionitrile 878.34
    vinylene carbonate 790.61
    1,1,2-trichlorotrifluoroethane 1014.21
    DMS 510.29
    cumene 271.91
    2-octanol 279.98
    2-hexanone 553.65
    octyl acetate 267.59
    limonene 207.19
    1,2-dimethoxyethane 1797.66
    ethyl orthosilicate 185.9
    tributyl phosphate 172.15
    diacetone alcohol 691.11
    N,N-dimethylaniline 571.28
    acrylonitrile 1070.9
    aniline 654.75
    1,3-propanediol 1120.49
    bromobenzene 675.95
    dibromomethane 1329.22
    1,1,2,2-tetrachloroethane 1660.67
    2-methyl-cyclohexyl acetate 248.82
    tetrabutyl urea 221.14
    diisobutyl methanol 175.62
    2-phenylethanol 458.8
    styrene 444.19
    dioctyl adipate 251.74
    dimethyl sulfate 820.98
    ethyl butyrate 328.26
    methyl lactate 517.43
    butyl lactate 260.72
    diethyl carbonate 253.4
    propanediol butyl ether 511.75
    triethyl orthoformate 230.83
    p-tert-butyltoluene 176.05
    methyl 4-tert-butylbenzoate 430.16
    morpholine 1733.9
    tert-butylamine 788.15
    n-dodecanol 182.04
    dimethoxymethane 1620.63
    ethylene carbonate 632.46
    cyrene 422.42
    2-ethoxyethyl acetate 467.91
    2-ethylhexyl acetate 293.42
    1,2,4-trichlorobenzene 713.27
    4-methylpyridine 1241.21
    dibutyl ether 341.97
    2,6-dimethyl-4-heptanol 175.62
    DEF 1053.7
    dimethyl isosorbide 603.22
    tetrachloroethylene 1083.75
    eugenol 465.69
    triacetin 411.23
    span 80 317.71
    1,4-butanediol 547.57
    1,1-dichloroethane 1535.09
    2-methyl-1-pentanol 539.77
    methyl formate 1367.04
    2-methyl-1-butanol 815.21
    n-decane 78.46
    butyronitrile 825.84
    3,7-dimethyl-1-octanol 331.32
    1-chlorooctane 264.0
    1-chlorotetradecane 116.27
    n-nonane 76.24
    undecane 60.76
    tert-butylcyclohexane 108.0
    cyclooctane 49.25
    cyclopentanol 818.98
    tetrahydropyran 1088.01
    tert-amyl methyl ether 794.01
    2,5,8-trioxanonane 701.05
    1-hexene 353.13
    2-isopropoxyethanol 719.26
    2,2,2-trifluoroethanol 429.67
    methyl butyrate 676.12

    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