2-Methylbutyl propionate

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  • Identifiers

    CAS number
    2438-20-2

    Molecular formula
    C8H16O2

    SMILES
    CCC(C)COC(=O)CC

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fruity 98.44%
    Sweet 76.62%
    Apple 71.08%
    Pineapple 68.98%
    Banana 65.83%
    Tropical 63.26%
    Ethereal 59.56%
    Ripe 49.54%
    Green 48.98%
    Pear 47.62%

    Scent© AI

  • Properties

    XLogP3-AA
    2.3

    pKa est.
    8.73 (weak base)

    Molecular weight
    144.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    156°C

    Flash point est.
    48.1 ˚C

  • Synonyms

    • 2-Methylbutyl propionate
    • 2-methylbutyl propanoate
    • 2438-20-2
    • 1-Butanol, 2-methyl-, propanoate
    • 1-Butanol, 2-methyl-, 1-propanoate
    • 1-Butanol, 2-methyl-, propionate
    • 2-Methylbutylpropionate
    • EINECS 219-449-0
    • DTXSID40862942
    • YM9VRQ4PCA
    • SCHEMBL2854978
    • DTXCID70811640
    • DB-003299
    • NS00047647
    • Q67879584
    • 219-449-0

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2976.25
    methanol 2859.14
    isopropanol 2658.27
    water 2.47
    ethyl acetate 1286.24
    n-propanol 2037.88
    acetone 1747.83
    n-butanol 1959.85
    acetonitrile 1871.66
    DMF 1343.62
    toluene 720.25
    isobutanol 1668.39
    1,4-dioxane 2226.4
    methyl acetate 1225.33
    THF 2188.77
    2-butanone 1535.71
    n-pentanol 1592.83
    sec-butanol 2259.65
    n-hexane 375.71
    ethylene glycol 271.67
    NMP 1159.97
    cyclohexane 491.56
    DMSO 1282.87
    n-butyl acetate 1766.08
    n-octanol 911.59
    chloroform 5085.23
    n-propyl acetate 1097.94
    acetic acid 2130.8
    dichloromethane 3650.98
    cyclohexanone 2068.04
    propylene glycol 542.19
    isopropyl acetate 847.05
    DMAc 1227.97
    2-ethoxyethanol 1279.02
    isopentanol 1804.54
    n-heptane 205.01
    ethyl formate 1074.86
    1,2-dichloroethane 1713.39
    n-hexanol 1665.87
    2-methoxyethanol 1653.16
    isobutyl acetate 717.58
    tetrachloromethane 823.28
    n-pentyl acetate 962.49
    transcutol 2875.83
    n-heptanol 797.19
    ethylbenzene 572.08
    MIBK 709.97
    2-propoxyethanol 1502.02
    tert-butanol 2739.79
    MTBE 1851.82
    2-butoxyethanol 1094.97
    propionic acid 1371.9
    o-xylene 508.29
    formic acid 501.81
    diethyl ether 1283.07
    m-xylene 457.16
    p-xylene 888.43
    chlorobenzene 1200.22
    dimethyl carbonate 205.04
    n-octane 99.3
    formamide 559.66
    cyclopentanone 1697.61
    2-pentanone 1118.91
    anisole 959.09
    cyclopentyl methyl ether 968.32
    gamma-butyrolactone 1769.64
    1-methoxy-2-propanol 1166.3
    pyridine 2406.7
    3-pentanone 638.27
    furfural 1857.53
    n-dodecane 81.66
    diethylene glycol 768.08
    diisopropyl ether 400.06
    tert-amyl alcohol 2506.09
    acetylacetone 904.54
    n-hexadecane 90.45
    acetophenone 869.5
    methyl propionate 671.54
    isopentyl acetate 1566.25
    trichloroethylene 3563.34
    n-nonanol 712.95
    cyclohexanol 1670.79
    benzyl alcohol 904.02
    2-ethylhexanol 1042.54
    isooctanol 658.82
    dipropyl ether 724.9
    1,2-dichlorobenzene 971.86
    ethyl lactate 375.24
    propylene carbonate 1195.41
    n-methylformamide 846.16
    2-pentanol 1404.6
    n-pentane 266.47
    1-propoxy-2-propanol 1204.87
    1-methoxy-2-propyl acetate 799.74
    2-(2-methoxypropoxy) propanol 776.7
    mesitylene 301.73
    ε-caprolactone 1930.3
    p-cymene 388.99
    epichlorohydrin 2051.01
    1,1,1-trichloroethane 2221.42
    2-aminoethanol 767.99
    morpholine-4-carbaldehyde 1413.45
    sulfolane 1441.71
    2,2,4-trimethylpentane 171.62
    2-methyltetrahydrofuran 2175.78
    n-hexyl acetate 1308.65
    isooctane 119.92
    2-(2-butoxyethoxy)ethanol 1054.82
    sec-butyl acetate 735.04
    tert-butyl acetate 805.75
    decalin 226.78
    glycerin 500.34
    diglyme 1870.56
    acrylic acid 991.96
    isopropyl myristate 419.14
    n-butyric acid 2130.28
    acetyl acetate 695.68
    di(2-ethylhexyl) phthalate 407.42
    ethyl propionate 703.61
    nitromethane 1984.73
    1,2-diethoxyethane 1174.56
    benzonitrile 1655.36
    trioctyl phosphate 297.67
    1-bromopropane 1395.47
    gamma-valerolactone 2131.34
    n-decanol 477.03
    triethyl phosphate 336.48
    4-methyl-2-pentanol 751.9
    propionitrile 1552.6
    vinylene carbonate 1151.22
    1,1,2-trichlorotrifluoroethane 1442.19
    DMS 535.58
    cumene 409.88
    2-octanol 653.68
    2-hexanone 1232.1
    octyl acetate 549.6
    limonene 610.53
    1,2-dimethoxyethane 2133.79
    ethyl orthosilicate 347.84
    tributyl phosphate 385.34
    diacetone alcohol 866.1
    N,N-dimethylaniline 604.62
    acrylonitrile 1622.14
    aniline 972.73
    1,3-propanediol 1197.18
    bromobenzene 1311.89
    dibromomethane 2653.24
    1,1,2,2-tetrachloroethane 2878.65
    2-methyl-cyclohexyl acetate 697.58
    tetrabutyl urea 432.13
    diisobutyl methanol 508.75
    2-phenylethanol 896.97
    styrene 762.66
    dioctyl adipate 587.57
    dimethyl sulfate 303.35
    ethyl butyrate 957.47
    methyl lactate 345.12
    butyl lactate 662.68
    diethyl carbonate 586.12
    propanediol butyl ether 933.99
    triethyl orthoformate 584.51
    p-tert-butyltoluene 365.92
    methyl 4-tert-butylbenzoate 637.32
    morpholine 2772.0
    tert-butylamine 1980.02
    n-dodecanol 345.78
    dimethoxymethane 620.85
    ethylene carbonate 964.77
    cyrene 560.63
    2-ethoxyethyl acetate 915.14
    2-ethylhexyl acetate 1128.36
    1,2,4-trichlorobenzene 1132.83
    4-methylpyridine 2347.71
    dibutyl ether 881.72
    2,6-dimethyl-4-heptanol 508.75
    DEF 1116.08
    dimethyl isosorbide 960.67
    tetrachloroethylene 1873.8
    eugenol 703.88
    triacetin 800.77
    span 80 851.41
    1,4-butanediol 611.51
    1,1-dichloroethane 2503.91
    2-methyl-1-pentanol 1475.29
    methyl formate 574.71
    2-methyl-1-butanol 1643.55
    n-decane 144.77
    butyronitrile 2010.4
    3,7-dimethyl-1-octanol 850.52
    1-chlorooctane 535.37
    1-chlorotetradecane 187.12
    n-nonane 149.75
    undecane 103.35
    tert-butylcyclohexane 227.29
    cyclooctane 114.09
    cyclopentanol 1484.38
    tetrahydropyran 2408.82
    tert-amyl methyl ether 1155.87
    2,5,8-trioxanonane 1119.45
    1-hexene 1248.21
    2-isopropoxyethanol 1003.01
    2,2,2-trifluoroethanol 416.45
    methyl butyrate 1252.86

    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

Botanical

Name CAS Botanical Proportion
Hop (China) 8007-04-3 Humulus lupulus L., fam. Cannabaceae 0.1%