Ethyl 2-hydroxy-2-methyl-3-oxohexanoate

  • Identifiers

    Molecular formula
    C9H16O4

    SMILES
    CCCC(=O)C(C)(C(=O)OCC)O

  • Odor profile

    Fragrance
    Fruity 78.56%
    Sweet 69.64%
    Caramellic 68.1%
    Buttery 64.7%
    Creamy 49.7%
    Milky 36.6%
    Nutty 35.46%
    Winey 35.11%
    Fatty 32.48%
    Dairy 28.46%

     

    Flavor
    Fruity 70.56%
    Creamy 42.71%
    Buttery 34.08%
    Mild 30.07%
    Bitter 29.04%
    Fatty 28.91%
    Grape 28.71%
    Sweet 27.87%
    Berry 27.65%
    Waxy 26.63%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.8

    pKa est.
    8.1 (weak base)

    Molecular weight
    188.22 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    226°C

    Flash point

    • 93.98 ˚C est.

  • Synonyms

    • SCHEMBL20268624
  • Applications

    Ethyl 2-hydroxy-2-methyl-3-oxohexanoate is primarily used as an organic synthesis intermediate, providing a beta-keto ester scaffold that supports carbon–carbon bond formation in the preparation of pharmaceutical and agrochemical compounds. It is commonly evaluated for enantioselective transformations and ring-forming reactions, enabling routes to more complex building blocks or precursors of active pharmaceutical ingredients (APIs). The compound can serve as a starting material for preparing derivative esters and related functional compounds, including crosslinkable or polymerizable esters relevant to specialty polymers and coatings. In research and process-development settings, it may act as a versatile reagent or intermediate in multistep syntheses, and its use is typically subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2225.33
    methanol 3207.91
    isopropanol 2070.48
    water 7.32
    ethyl acetate 1171.58
    n-propanol 1881.88
    acetone 2159.52
    n-butanol 1642.8
    acetonitrile 1301.12
    DMF 2889.03
    toluene 549.78
    isobutanol 1512.62
    1,4-dioxane 2811.22
    methyl acetate 1249.42
    THF 2529.23
    2-butanone 1407.49
    n-pentanol 1135.98
    sec-butanol 2055.23
    n-hexane 76.66
    ethylene glycol 578.42
    NMP 1718.94
    cyclohexane 218.4
    DMSO 2201.74
    n-butyl acetate 688.65
    n-octanol 420.48
    chloroform 2315.98
    n-propyl acetate 643.6
    acetic acid 2128.98
    dichloromethane 2021.44
    cyclohexanone 1867.92
    propylene glycol 692.67
    isopropyl acetate 734.48
    DMAc 1829.85
    2-ethoxyethanol 1458.99
    isopentanol 1320.99
    n-heptane 40.01
    ethyl formate 1030.46
    1,2-dichloroethane 1493.65
    n-hexanol 858.03
    2-methoxyethanol 2429.64
    isobutyl acetate 381.51
    tetrachloromethane 377.31
    n-pentyl acetate 484.19
    transcutol 1493.24
    n-heptanol 414.87
    ethylbenzene 317.96
    MIBK 659.11
    2-propoxyethanol 1201.41
    tert-butanol 2554.78
    MTBE 1478.6
    2-butoxyethanol 681.54
    propionic acid 1159.56
    o-xylene 406.67
    formic acid 1022.57
    diethyl ether 1222.09
    m-xylene 348.63
    p-xylene 410.58
    chlorobenzene 701.55
    dimethyl carbonate 422.7
    n-octane 33.18
    formamide 1269.37
    cyclopentanone 1799.47
    2-pentanone 1132.54
    anisole 617.13
    cyclopentyl methyl ether 992.38
    gamma-butyrolactone 2185.15
    1-methoxy-2-propanol 1508.07
    pyridine 1488.45
    3-pentanone 783.25
    furfural 1688.1
    n-dodecane 32.94
    diethylene glycol 1055.92
    diisopropyl ether 304.42
    tert-amyl alcohol 2234.6
    acetylacetone 1222.07
    n-hexadecane 37.84
    acetophenone 650.51
    methyl propionate 878.09
    isopentyl acetate 609.51
    trichloroethylene 2599.08
    n-nonanol 336.43
    cyclohexanol 1645.71
    benzyl alcohol 726.21
    2-ethylhexanol 385.4
    isooctanol 317.11
    dipropyl ether 288.59
    1,2-dichlorobenzene 611.17
    ethyl lactate 337.28
    propylene carbonate 1112.43
    n-methylformamide 1574.58
    2-pentanol 1176.05
    n-pentane 104.53
    1-propoxy-2-propanol 657.01
    1-methoxy-2-propyl acetate 575.1
    2-(2-methoxypropoxy) propanol 423.35
    mesitylene 239.87
    ε-caprolactone 1474.72
    p-cymene 176.52
    epichlorohydrin 2258.94
    1,1,1-trichloroethane 1328.04
    2-aminoethanol 1036.67
    morpholine-4-carbaldehyde 1667.82
    sulfolane 2078.38
    2,2,4-trimethylpentane 83.25
    2-methyltetrahydrofuran 1762.24
    n-hexyl acetate 654.48
    isooctane 53.56
    2-(2-butoxyethoxy)ethanol 641.61
    sec-butyl acetate 422.18
    tert-butyl acetate 782.49
    decalin 102.08
    glycerin 865.54
    diglyme 1221.7
    acrylic acid 956.52
    isopropyl myristate 209.29
    n-butyric acid 1539.49
    acetyl acetate 715.83
    di(2-ethylhexyl) phthalate 216.77
    ethyl propionate 532.05
    nitromethane 2695.59
    1,2-diethoxyethane 595.0
    benzonitrile 812.48
    trioctyl phosphate 175.32
    1-bromopropane 837.18
    gamma-valerolactone 2181.17
    n-decanol 229.16
    triethyl phosphate 196.31
    4-methyl-2-pentanol 501.24
    propionitrile 1092.61
    vinylene carbonate 1020.68
    1,1,2-trichlorotrifluoroethane 1418.16
    DMS 447.72
    cumene 220.11
    2-octanol 338.62
    2-hexanone 677.66
    octyl acetate 289.56
    limonene 276.64
    1,2-dimethoxyethane 1892.5
    ethyl orthosilicate 184.43
    tributyl phosphate 192.12
    diacetone alcohol 928.65
    N,N-dimethylaniline 419.4
    acrylonitrile 1211.7
    aniline 747.56
    1,3-propanediol 1466.9
    bromobenzene 676.59
    dibromomethane 1300.74
    1,1,2,2-tetrachloroethane 2168.51
    2-methyl-cyclohexyl acetate 343.13
    tetrabutyl urea 255.82
    diisobutyl methanol 223.84
    2-phenylethanol 544.59
    styrene 388.1
    dioctyl adipate 271.97
    dimethyl sulfate 648.86
    ethyl butyrate 399.62
    methyl lactate 502.57
    butyl lactate 363.28
    diethyl carbonate 278.64
    propanediol butyl ether 597.88
    triethyl orthoformate 272.8
    p-tert-butyltoluene 176.62
    methyl 4-tert-butylbenzoate 456.47
    morpholine 2817.97
    tert-butylamine 1286.44
    n-dodecanol 165.08
    dimethoxymethane 1391.16
    ethylene carbonate 933.6
    cyrene 524.33
    2-ethoxyethyl acetate 538.04
    2-ethylhexyl acetate 437.41
    1,2,4-trichlorobenzene 721.94
    4-methylpyridine 1361.5
    dibutyl ether 305.2
    2,6-dimethyl-4-heptanol 223.84
    DEF 1291.93
    dimethyl isosorbide 698.69
    tetrachloroethylene 1485.83
    eugenol 451.12
    triacetin 430.14
    span 80 396.78
    1,4-butanediol 749.75
    1,1-dichloroethane 1482.66
    2-methyl-1-pentanol 956.22
    methyl formate 1376.65
    2-methyl-1-butanol 1369.34
    n-decane 55.5
    butyronitrile 1151.19
    3,7-dimethyl-1-octanol 333.98
    1-chlorooctane 235.58
    1-chlorotetradecane 89.99
    n-nonane 53.22
    undecane 41.54
    tert-butylcyclohexane 86.73
    cyclooctane 58.13
    cyclopentanol 1546.73
    tetrahydropyran 2351.75
    tert-amyl methyl ether 963.16
    2,5,8-trioxanonane 712.8
    1-hexene 341.88
    2-isopropoxyethanol 864.3
    2,2,2-trifluoroethanol 614.74
    methyl butyrate 829.39

    Scent© AI

1 of 4
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