2-Ethylbutyl 2-ethylbutyrate

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  • Identifiers

    CAS number
    55145-34-1

    Molecular formula
    C12H24O2

    SMILES
    CCC(CC)COC(=O)C(CC)CC

    Safety labels

  • Odor profile

    Fragrance
    Fruity 88.08%
    Oily 47.16%
    Herbal 45.97%
    Fatty 45.62%
    Apple 40.97%
    Sweet 37.36%
    Winey 31.49%
    Fermented 28.11%
    Woody 27.67%
    Ethereal 27.09%

     

    Flavor
    Fruity 74.48%
    Green 59.36%
    Waxy 46.66%
    Apple 40.54%
    Sweet 40.08%
    Berry 33.44%
    Tropical 32.53%
    Oily 32.19%
    Herbal 28.39%
    Pear 28.23%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    3.9

    pKa est.
    8.23 (weak base)

    Molecular weight
    200.32 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    218°C

    Flash point

    • 89.92 ˚C est.

  • Synonyms

    • 2-ethylbutyl 2-ethylbutanoate
    • 2-Ethylbutyl 2-ethylbutyrate
    • NCW25Q2KZD
    • EINECS 259-500-4
    • DTXSID60203651
    • Butanoic acid, 2-ethyl-, 2-ethylbutyl ester
    • RefChem:86948
    • DTXCID90126142
    • 259-500-4
    • 55145-34-1
    • UNII-NCW25Q2KZD
    • SCHEMBL16344910
    • RXQJGYAUTJRBMH-UHFFFAOYSA-N
    • DB-314037
    • NS00033247
    • 55145-34-1

  • Applications

    2-Ethylbutyl 2-ethylbutyrate, CAS 55145-34-1, is primarily used as a fragrance ingredient and fixative in perfumery, helping to extend and stabilize aroma. It is also employed as a fragrance component in cosmetics and personal care products to impart a characteristic scent; it may act as a solvent carrier for fragrance compounds in formulations. Additionally, this compound is considered a fragrance additive in household products and air fresheners for indoor environments. In fragrance chemistry, it serves as an intermediate or building block for the synthesis of related esters. Depending on formulation and regulatory context, it may be used as a solvent or carrier for fragrance blends in various product types.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 6806.31
    methanol 6237.34
    isopropanol 6866.59
    water 1.91
    ethyl acetate 9695.96
    n-propanol 6468.27
    acetone 12578.25
    n-butanol 7081.93
    acetonitrile 9856.5
    DMF 7515.95
    toluene 4678.56
    isobutanol 6604.9
    1,4-dioxane 11758.79
    methyl acetate 7178.85
    THF 11806.21
    2-butanone 9670.42
    n-pentanol 3984.87
    sec-butanol 7043.05
    n-hexane 3217.31
    ethylene glycol 362.72
    NMP 8234.22
    cyclohexane 7212.4
    DMSO 4594.79
    n-butyl acetate 9671.72
    n-octanol 2647.11
    chloroform 24659.19
    n-propyl acetate 6201.63
    acetic acid 7217.7
    dichloromethane 19904.7
    cyclohexanone 18314.09
    propylene glycol 799.83
    isopropyl acetate 6323.88
    DMAc 5761.69
    2-ethoxyethanol 3613.38
    isopentanol 6988.24
    n-heptane 1365.34
    ethyl formate 5435.68
    1,2-dichloroethane 14804.82
    n-hexanol 5034.34
    2-methoxyethanol 5157.97
    isobutyl acetate 3653.67
    tetrachloromethane 5946.63
    n-pentyl acetate 5581.3
    transcutol 9788.29
    n-heptanol 2448.4
    ethylbenzene 2951.71
    MIBK 4756.7
    2-propoxyethanol 4613.43
    tert-butanol 9037.7
    MTBE 11685.37
    2-butoxyethanol 3171.86
    propionic acid 5136.04
    o-xylene 2808.84
    formic acid 1230.49
    diethyl ether 11638.58
    m-xylene 2762.88
    p-xylene 4679.97
    chlorobenzene 9173.0
    dimethyl carbonate 1469.79
    n-octane 699.51
    formamide 2204.8
    cyclopentanone 12370.97
    2-pentanone 8438.42
    anisole 4109.99
    cyclopentyl methyl ether 7845.69
    gamma-butyrolactone 11818.79
    1-methoxy-2-propanol 3808.43
    pyridine 13419.73
    3-pentanone 6476.94
    furfural 8232.72
    n-dodecane 379.37
    diethylene glycol 1865.57
    diisopropyl ether 3740.65
    tert-amyl alcohol 8601.24
    acetylacetone 6513.33
    n-hexadecane 466.46
    acetophenone 3622.27
    methyl propionate 4847.7
    isopentyl acetate 8082.15
    trichloroethylene 24335.89
    n-nonanol 2240.28
    cyclohexanol 9735.44
    benzyl alcohol 2883.5
    2-ethylhexanol 3633.07
    isooctanol 2212.31
    dipropyl ether 4683.89
    1,2-dichlorobenzene 7213.11
    ethyl lactate 1385.98
    propylene carbonate 6354.82
    n-methylformamide 4484.61
    2-pentanol 6073.05
    n-pentane 2361.2
    1-propoxy-2-propanol 4272.09
    1-methoxy-2-propyl acetate 4127.69
    2-(2-methoxypropoxy) propanol 2039.22
    mesitylene 2024.02
    ε-caprolactone 12848.71
    p-cymene 1698.05
    epichlorohydrin 12624.27
    1,1,1-trichloroethane 17716.46
    2-aminoethanol 1408.68
    morpholine-4-carbaldehyde 6602.4
    sulfolane 9352.13
    2,2,4-trimethylpentane 1042.14
    2-methyltetrahydrofuran 12413.95
    n-hexyl acetate 6233.61
    isooctane 753.94
    2-(2-butoxyethoxy)ethanol 3080.12
    sec-butyl acetate 4359.63
    tert-butyl acetate 5475.22
    decalin 1826.53
    glycerin 849.62
    diglyme 6167.65
    acrylic acid 3675.85
    isopropyl myristate 2048.64
    n-butyric acid 9584.26
    acetyl acetate 5043.95
    di(2-ethylhexyl) phthalate 1321.51
    ethyl propionate 4932.61
    nitromethane 9960.42
    1,2-diethoxyethane 6944.02
    benzonitrile 6398.24
    trioctyl phosphate 1143.29
    1-bromopropane 10604.52
    gamma-valerolactone 12555.87
    n-decanol 1496.85
    triethyl phosphate 1523.61
    4-methyl-2-pentanol 2948.89
    propionitrile 8421.02
    vinylene carbonate 5963.74
    1,1,2-trichlorotrifluoroethane 5917.03
    DMS 3148.55
    cumene 1900.98
    2-octanol 2348.83
    2-hexanone 5859.01
    octyl acetate 2523.76
    limonene 3141.01
    1,2-dimethoxyethane 8364.56
    ethyl orthosilicate 1629.98
    tributyl phosphate 1641.65
    diacetone alcohol 3758.88
    N,N-dimethylaniline 2491.24
    acrylonitrile 7414.64
    aniline 4914.42
    1,3-propanediol 3164.84
    bromobenzene 10290.11
    dibromomethane 15079.02
    1,1,2,2-tetrachloroethane 20404.17
    2-methyl-cyclohexyl acetate 3244.35
    tetrabutyl urea 1833.05
    diisobutyl methanol 2046.12
    2-phenylethanol 3004.7
    styrene 3843.01
    dioctyl adipate 2313.63
    dimethyl sulfate 1911.34
    ethyl butyrate 5093.54
    methyl lactate 1344.5
    butyl lactate 2699.14
    diethyl carbonate 2930.91
    propanediol butyl ether 2175.53
    triethyl orthoformate 3105.74
    p-tert-butyltoluene 1584.72
    methyl 4-tert-butylbenzoate 2678.35
    morpholine 13133.62
    tert-butylamine 7261.16
    n-dodecanol 1083.19
    dimethoxymethane 3886.75
    ethylene carbonate 5884.54
    cyrene 1609.81
    2-ethoxyethyl acetate 4779.57
    2-ethylhexyl acetate 6335.53
    1,2,4-trichlorobenzene 7286.79
    4-methylpyridine 12519.55
    dibutyl ether 5271.3
    2,6-dimethyl-4-heptanol 2046.12
    DEF 8127.91
    dimethyl isosorbide 3585.05
    tetrachloroethylene 14130.63
    eugenol 2208.65
    triacetin 3205.42
    span 80 2392.16
    1,4-butanediol 1159.89
    1,1-dichloroethane 17997.52
    2-methyl-1-pentanol 4264.98
    methyl formate 3138.41
    2-methyl-1-butanol 6436.44
    n-decane 803.38
    butyronitrile 10584.92
    3,7-dimethyl-1-octanol 2790.87
    1-chlorooctane 2906.81
    1-chlorotetradecane 929.5
    n-nonane 890.6
    undecane 515.13
    tert-butylcyclohexane 1455.72
    cyclooctane 1626.36
    cyclopentanol 7226.15
    tetrahydropyran 18468.77
    tert-amyl methyl ether 6740.91
    2,5,8-trioxanonane 3021.46
    1-hexene 6667.27
    2-isopropoxyethanol 2821.24
    2,2,2-trifluoroethanol 2108.14
    methyl butyrate 7367.96

    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