Methyl propyl ether

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  • Identifiers

    CAS number
    557-17-5

    Molecular formula
    C4H10O

    SMILES
    CCCOC

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fragrance
    Ethereal 87.19%
    Sweet 60.05%
    Fruity 58.93%
    Alcoholic 55.84%
    Solvent 49.01%
    Fermented 44.66%
    Rummy 42.95%
    Winey 41.03%
    Fresh 34.36%
    Pungent 31.77%

     

    Flavor
    Sweet 61.69%
    Ether 50.86%
    Alcohol 45.61%
    Ethereal 45.41%
    Alcoholic 45.04%
    Green 40.51%
    Fusel 38.49%
    Earthy 34.03%
    Wine 32.79%
    Fruity 32.1%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.2

    pKa est.
    7.66 (neutral)

    Molecular weight
    74.12 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    40°C

    Flash point

    • -35.92 ˚C est.

  • Synonyms

    • 1-Methoxypropane
    • METHYL PROPYL ETHER
    • 557-17-5
    • Metopryl
    • Neothyl
    • Methyl n-propyl ether
    • Propane, 1-methoxy-
    • propyl methyl ether
    • alpha-Methoxy propane
    • Ether, methyl propyl
    • EINECS 209-158-7
    • UNII-37D15RN2Z8
    • 37D15RN2Z8
    • PROPOXY METHYL ETHER
    • Methoxypropane
    • UN2612
    • MeOPr
    • MFCD00059399
    • .alpha.-Methoxy propane
    • 1-Methoxypropane, 97%
    • ALPHA-METHOXYPROPANE
    • n-C3H7OCH3
    • DTXSID0074558
    • METHYL PROPYL ETHER [MI]
    • GEO-01712
    • AKOS038416065
    • UN 2612
    • M0510
    • NS00021213
    • D91344
    • Q420967
    • Methyl propyl ether [UN2612] [Flammable liquid]
    • InChI=1/C4H10O/c1-3-4-5-2/h3-4H2,1-2H
    • 209-158-7

  • Applications

    Methyl propyl ether (CAS 557-17-5) is a versatile solvent primarily used for coatings, inks, and adhesives in industrial manufacturing, helping dissolve components and adjust formulation viscosity; it is also employed in cleaning and degreasing formulations to remove oils from metals and electronic components; as a chemical intermediate in organic synthesis, it participates in the production of other ethers and related compounds; in polymer processing, it is used as a solvent for processing and dissolving polymers in coatings and plastics formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 4938.66
    methanol 5593.63
    isopropanol 2730.83
    water 14.48
    ethyl acetate 1624.1
    n-propanol 3185.16
    acetone 1613.83
    n-butanol 3229.76
    acetonitrile 2018.33
    DMF 982.43
    toluene 536.74
    isobutanol 1800.82
    1,4-dioxane 2314.39
    methyl acetate 1275.46
    THF 2923.41
    2-butanone 1368.13
    n-pentanol 1634.45
    sec-butanol 2266.04
    n-hexane 689.58
    ethylene glycol 850.72
    NMP 977.46
    cyclohexane 984.69
    DMSO 1295.72
    n-butyl acetate 1998.54
    n-octanol 609.1
    chloroform 4433.92
    n-propyl acetate 844.1
    acetic acid 5073.5
    dichloromethane 3885.25
    cyclohexanone 1753.58
    propylene glycol 879.18
    isopropyl acetate 708.99
    DMAc 667.2
    2-ethoxyethanol 1630.35
    isopentanol 1846.96
    n-heptane 755.29
    ethyl formate 1253.65
    1,2-dichloroethane 1764.33
    n-hexanol 2328.91
    2-methoxyethanol 2819.56
    isobutyl acetate 436.09
    tetrachloromethane 1618.03
    n-pentyl acetate 740.5
    transcutol 3312.23
    n-heptanol 738.12
    ethylbenzene 240.7
    MIBK 463.76
    2-propoxyethanol 2319.68
    tert-butanol 2342.74
    MTBE 1407.34
    2-butoxyethanol 1073.55
    propionic acid 2097.13
    o-xylene 267.74
    formic acid 1659.63
    diethyl ether 2226.8
    m-xylene 265.56
    p-xylene 303.52
    chlorobenzene 771.47
    dimethyl carbonate 167.34
    n-octane 167.85
    formamide 1192.26
    cyclopentanone 1511.66
    2-pentanone 1133.45
    anisole 477.86
    cyclopentyl methyl ether 1373.27
    gamma-butyrolactone 1581.74
    1-methoxy-2-propanol 1490.49
    pyridine 1801.09
    3-pentanone 705.38
    furfural 1448.2
    n-dodecane 81.56
    diethylene glycol 1627.7
    diisopropyl ether 412.81
    tert-amyl alcohol 1899.26
    acetylacetone 689.11
    n-hexadecane 87.07
    acetophenone 357.42
    methyl propionate 773.81
    isopentyl acetate 1220.36
    trichloroethylene 2825.62
    n-nonanol 503.61
    cyclohexanol 2091.38
    benzyl alcohol 555.29
    2-ethylhexanol 1313.11
    isooctanol 522.36
    dipropyl ether 1392.81
    1,2-dichlorobenzene 581.54
    ethyl lactate 296.35
    propylene carbonate 897.91
    n-methylformamide 1075.56
    2-pentanol 1689.34
    n-pentane 805.5
    1-propoxy-2-propanol 1870.32
    1-methoxy-2-propyl acetate 818.85
    2-(2-methoxypropoxy) propanol 577.65
    mesitylene 156.08
    ε-caprolactone 1540.04
    p-cymene 288.03
    epichlorohydrin 1783.3
    1,1,1-trichloroethane 2023.63
    2-aminoethanol 1653.73
    morpholine-4-carbaldehyde 1270.58
    sulfolane 1203.45
    2,2,4-trimethylpentane 208.8
    2-methyltetrahydrofuran 2740.02
    n-hexyl acetate 796.68
    isooctane 136.63
    2-(2-butoxyethoxy)ethanol 975.2
    sec-butyl acetate 486.5
    tert-butyl acetate 575.9
    decalin 186.43
    glycerin 981.59
    diglyme 1583.07
    acrylic acid 1465.55
    isopropyl myristate 267.04
    n-butyric acid 3186.09
    acetyl acetate 757.62
    di(2-ethylhexyl) phthalate 232.9
    ethyl propionate 553.08
    nitromethane 2421.1
    1,2-diethoxyethane 1481.28
    benzonitrile 758.28
    trioctyl phosphate 184.67
    1-bromopropane 1784.9
    gamma-valerolactone 1741.52
    n-decanol 340.86
    triethyl phosphate 293.92
    4-methyl-2-pentanol 585.24
    propionitrile 1554.36
    vinylene carbonate 813.5
    1,1,2-trichlorotrifluoroethane 1563.43
    DMS 335.83
    cumene 166.02
    2-octanol 456.45
    2-hexanone 809.06
    octyl acetate 357.05
    limonene 601.35
    1,2-dimethoxyethane 1818.05
    ethyl orthosilicate 350.55
    tributyl phosphate 252.24
    diacetone alcohol 653.47
    N,N-dimethylaniline 256.58
    acrylonitrile 1380.17
    aniline 920.28
    1,3-propanediol 2155.1
    bromobenzene 731.13
    dibromomethane 2830.74
    1,1,2,2-tetrachloroethane 2134.95
    2-methyl-cyclohexyl acetate 558.19
    tetrabutyl urea 270.89
    diisobutyl methanol 533.7
    2-phenylethanol 718.76
    styrene 346.97
    dioctyl adipate 341.7
    dimethyl sulfate 181.42
    ethyl butyrate 1057.14
    methyl lactate 333.16
    butyl lactate 481.65
    diethyl carbonate 499.6
    propanediol butyl ether 746.58
    triethyl orthoformate 639.63
    p-tert-butyltoluene 262.49
    methyl 4-tert-butylbenzoate 318.9
    morpholine 3016.28
    tert-butylamine 1729.57
    n-dodecanol 253.15
    dimethoxymethane 736.88
    ethylene carbonate 739.05
    cyrene 347.91
    2-ethoxyethyl acetate 719.32
    2-ethylhexyl acetate 1004.74
    1,2,4-trichlorobenzene 698.34
    4-methylpyridine 1391.24
    dibutyl ether 898.99
    2,6-dimethyl-4-heptanol 533.7
    DEF 1034.44
    dimethyl isosorbide 742.7
    tetrachloroethylene 1874.65
    eugenol 377.53
    triacetin 483.99
    span 80 658.28
    1,4-butanediol 836.62
    1,1-dichloroethane 2101.67
    2-methyl-1-pentanol 1177.76
    methyl formate 692.99
    2-methyl-1-butanol 1898.65
    n-decane 155.79
    butyronitrile 2150.6
    3,7-dimethyl-1-octanol 644.62
    1-chlorooctane 419.9
    1-chlorotetradecane 146.28
    n-nonane 183.13
    undecane 103.87
    tert-butylcyclohexane 190.11
    cyclooctane 229.27
    cyclopentanol 1919.07
    tetrahydropyran 3127.5
    tert-amyl methyl ether 998.91
    2,5,8-trioxanonane 894.46
    1-hexene 1343.25
    2-isopropoxyethanol 972.14
    2,2,2-trifluoroethanol 900.21
    methyl butyrate 855.18

    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