1-Methoxy-1-pentyloxyethane

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  • Identifiers

    CAS number
    73142-32-2

    Molecular formula
    C8H18O2

    SMILES
    CCCCCOC(C)OC

  • Odor profile

    Fragrance
    Green 96.08%
    Ethereal 83.59%
    Alcoholic 77.2%
    Cognac 75.42%
    Vegetable 55.09%
    Fermented 53.73%
    Apple 43.81%
    Malty 42.02%
    Cocoa 38.26%
    Fruity 37.54%

     

    Flavor
    Green 64.33%
    Sweet 62.63%
    Fruity 62.45%
    Earthy 39.81%
    Fruit 38.26%
    Ether 36.85%
    Vegetable 36.0%
    Herbal 33.61%
    Ethereal 32.84%
    Wine 30.94%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.3

    pKa est.
    8.24 (weak base)

    Molecular weight
    146.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    152°C

    Flash point

    • 36.81 ˚C est.

  • Synonyms

    • 1-Methoxy-1-pentyloxyethane
    • 1-(1-Methoxyethoxy)pentane
    • 73142-32-2
    • acetaldehyde amyl methyl acetal
    • 1-methoxy-1-(pentyloxy)ethane
    • SCHEMBL15160848
    • Acetaldehyde methyl pentyl acetal
    • CHEBI:179847
    • DTXSID601311620

  • Applications

    1-Methoxy-1-pentyloxyethane (CAS 73142-32-2) is commonly used as a solvent and co-solvent in industrial manufacturing, notably in coatings, inks, and adhesives; it may serve as a processing solvent or reaction medium and as an intermediate in organic synthesis; it is evaluated as a carrier for fragrance oils and cosmetic actives in cosmetics and personal care formulations; it can be considered as a high-boiling polar aprotic solvent for electronics-related formulations, including electrolyte systems; and it is applicable in cleaning formulations and as a solvent for analytical work. Subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 10055.37
    methanol 10030.45
    isopropanol 7686.94
    water 4.81
    ethyl acetate 4844.68
    n-propanol 7605.21
    acetone 4735.51
    n-butanol 7219.92
    acetonitrile 5113.17
    DMF 2787.55
    toluene 2155.01
    isobutanol 5284.41
    1,4-dioxane 7741.44
    methyl acetate 3410.61
    THF 7314.42
    2-butanone 3873.99
    n-pentanol 4553.88
    sec-butanol 6931.45
    n-hexane 2784.97
    ethylene glycol 1173.45
    NMP 2125.16
    cyclohexane 4028.59
    DMSO 3904.32
    n-butyl acetate 4434.41
    n-octanol 1571.9
    chloroform 12660.28
    n-propyl acetate 2826.48
    acetic acid 6476.25
    dichloromethane 9797.36
    cyclohexanone 5693.68
    propylene glycol 1705.53
    isopropyl acetate 2595.99
    DMAc 2097.33
    2-ethoxyethanol 4067.78
    isopentanol 5256.3
    n-heptane 1557.26
    ethyl formate 2780.66
    1,2-dichloroethane 5348.74
    n-hexanol 5183.63
    2-methoxyethanol 5782.85
    isobutyl acetate 1545.99
    tetrachloromethane 3563.29
    n-pentyl acetate 2037.27
    transcutol 6808.12
    n-heptanol 1523.81
    ethylbenzene 1114.17
    MIBK 1634.95
    2-propoxyethanol 4590.56
    tert-butanol 8424.75
    MTBE 6339.56
    2-butoxyethanol 2048.39
    propionic acid 3842.99
    o-xylene 1112.55
    formic acid 1615.08
    diethyl ether 7685.77
    m-xylene 1138.74
    p-xylene 1457.33
    chlorobenzene 2572.29
    dimethyl carbonate 490.25
    n-octane 391.79
    formamide 1578.43
    cyclopentanone 3559.21
    2-pentanone 3279.57
    anisole 1728.82
    cyclopentyl methyl ether 4319.41
    gamma-butyrolactone 3474.59
    1-methoxy-2-propanol 3660.48
    pyridine 5732.41
    3-pentanone 2098.54
    furfural 3142.52
    n-dodecane 198.12
    diethylene glycol 2570.48
    diisopropyl ether 1620.48
    tert-amyl alcohol 6959.66
    acetylacetone 2183.12
    n-hexadecane 220.61
    acetophenone 1279.62
    methyl propionate 2154.34
    isopentyl acetate 3038.91
    trichloroethylene 8109.36
    n-nonanol 1254.48
    cyclohexanol 6426.87
    benzyl alcohol 1658.46
    2-ethylhexanol 3027.24
    isooctanol 1168.29
    dipropyl ether 3464.79
    1,2-dichlorobenzene 1965.12
    ethyl lactate 920.21
    propylene carbonate 2199.13
    n-methylformamide 2154.84
    2-pentanol 4827.94
    n-pentane 2351.25
    1-propoxy-2-propanol 3446.24
    1-methoxy-2-propyl acetate 1951.66
    2-(2-methoxypropoxy) propanol 1222.99
    mesitylene 716.74
    ε-caprolactone 4846.48
    p-cymene 780.7
    epichlorohydrin 4558.62
    1,1,1-trichloroethane 6413.87
    2-aminoethanol 2782.95
    morpholine-4-carbaldehyde 3173.28
    sulfolane 2884.17
    2,2,4-trimethylpentane 659.47
    2-methyltetrahydrofuran 7895.31
    n-hexyl acetate 2296.27
    isooctane 408.58
    2-(2-butoxyethoxy)ethanol 1898.31
    sec-butyl acetate 1805.87
    tert-butyl acetate 2199.7
    decalin 779.13
    glycerin 1639.97
    diglyme 3639.38
    acrylic acid 2595.06
    isopropyl myristate 691.54
    n-butyric acid 6746.12
    acetyl acetate 2327.17
    di(2-ethylhexyl) phthalate 571.42
    ethyl propionate 2002.95
    nitromethane 4757.49
    1,2-diethoxyethane 3752.18
    benzonitrile 2618.75
    trioctyl phosphate 436.34
    1-bromopropane 5550.76
    gamma-valerolactone 4400.36
    n-decanol 803.53
    triethyl phosphate 774.77
    4-methyl-2-pentanol 1899.74
    propionitrile 4566.17
    vinylene carbonate 2085.08
    1,1,2-trichlorotrifluoroethane 3847.95
    DMS 972.04
    cumene 701.09
    2-octanol 1124.12
    2-hexanone 2717.18
    octyl acetate 853.11
    limonene 1550.78
    1,2-dimethoxyethane 5608.85
    ethyl orthosilicate 921.23
    tributyl phosphate 626.28
    diacetone alcohol 1887.69
    N,N-dimethylaniline 1020.85
    acrylonitrile 3701.92
    aniline 2847.6
    1,3-propanediol 3828.95
    bromobenzene 2760.5
    dibromomethane 7548.64
    1,1,2,2-tetrachloroethane 7064.48
    2-methyl-cyclohexyl acetate 1355.75
    tetrabutyl urea 678.7
    diisobutyl methanol 1254.76
    2-phenylethanol 1722.86
    styrene 1591.98
    dioctyl adipate 901.99
    dimethyl sulfate 639.56
    ethyl butyrate 2562.58
    methyl lactate 868.26
    butyl lactate 1189.52
    diethyl carbonate 1335.9
    propanediol butyl ether 1550.47
    triethyl orthoformate 1714.04
    p-tert-butyltoluene 755.69
    methyl 4-tert-butylbenzoate 876.36
    morpholine 9886.94
    tert-butylamine 6607.06
    n-dodecanol 586.51
    dimethoxymethane 2076.17
    ethylene carbonate 2114.96
    cyrene 852.74
    2-ethoxyethyl acetate 1876.83
    2-ethylhexyl acetate 2437.58
    1,2,4-trichlorobenzene 2152.89
    4-methylpyridine 5012.4
    dibutyl ether 2722.9
    2,6-dimethyl-4-heptanol 1254.76
    DEF 3522.25
    dimethyl isosorbide 1525.82
    tetrachloroethylene 5579.35
    eugenol 898.32
    triacetin 1391.11
    span 80 1450.55
    1,4-butanediol 1644.71
    1,1-dichloroethane 6849.23
    2-methyl-1-pentanol 3548.7
    methyl formate 1347.39
    2-methyl-1-butanol 5140.33
    n-decane 390.72
    butyronitrile 5598.76
    3,7-dimethyl-1-octanol 1558.49
    1-chlorooctane 1140.37
    1-chlorotetradecane 375.74
    n-nonane 471.1
    undecane 256.72
    tert-butylcyclohexane 703.21
    cyclooctane 826.34
    cyclopentanol 4882.51
    tetrahydropyran 11303.97
    tert-amyl methyl ether 3812.51
    2,5,8-trioxanonane 1875.83
    1-hexene 5559.01
    2-isopropoxyethanol 2772.51
    2,2,2-trifluoroethanol 1307.69
    methyl butyrate 3028.56

    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