Dibutyl ether

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  • Identifiers

    CAS number
    142-96-1

    Molecular formula
    C8H18O

    SMILES
    CCCCOCCCC

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Ethereal 78.32%
    Fruity 75.98%
    Sweet 71.46%
    Alcoholic 62.21%
    Fermented 56.53%
    Winey 48.22%
    Solvent 45.56%
    Cognac 44.23%
    Green 43.12%
    Apple 37.82%

    Scent© AI

    Odor threshold>

    • Odor threshold high = 0.37 mg/m3, low = 2.50 mg/m3
    • 0.37 mg/cu m (odor low) 2.50 mg/cu m (odor high).

  • Properties

    XLogP3-AA
    3.2

    Molecular weight
    130.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -144 °F (NTP, 1992)
    • -95.2 °C
    • -95 °C

    Boiling point

    • 288 °F at 760 mmHg (NTP, 1992)
    • 140.8 °C
    • 142 °C

    Flash point est.
    27.78 ˚C

    Flash point expt.

    • 77 °F (NTP, 1992)
    • 37 °C (CLOSED CUP)
    • 25 °C c.c.

    Solubility expt.

    • less than 1 mg/mL at 72.5 °F (NTP, 1992)
    • Miscible with benzene and most org solvents
    • Sol in all prop in alc, ether; very sol in acetone
    • Miscible with oxygenated solvents
    • In water, 300 mg/L at 25 °C
    • Solubility in water, g/100ml:

  • Synonyms

    • Butyl ether
    • DIBUTYL ETHER
    • Di-n-butyl ether
    • 142-96-1
    • 1-Butoxybutane
    • Butane, 1,1'-oxybis-
    • n-Butyl ether
    • Dibutyl oxide
    • Butyl oxide
    • Ether butylique
    • di-n-butylether
    • 1,1'-Oxybis(butane)
    • 1,1'-oxydibutane
    • n-Dibutyl ether
    • CCRIS 6010
    • HSDB 306
    • 1-Butoxy-butane
    • UNII-PBM2R52P5G
    • NSC 8459
    • EINECS 205-575-3
    • BRN 1732752
    • 1,1'-Oxybisbutane
    • (n-C4H9)2O
    • DTXSID1022007
    • AI3-00402
    • NSC-8459
    • N-BUTYL ETHER [MI]
    • PBM2R52P5G
    • DIBUTYL ETHER [HSDB]
    • DTXCID002007
    • EC 205-575-3
    • 4-01-00-01520 (Beilstein Handbook Reference)
    • UN 1149
    • Ether butylique [French]
    • 5-Oxanonane
    • DIBUTYL ETHER (NORMAL) (BUTYL ETHER)
    • DIBUTYL ETHER (NORMAL) {BUTYL ETHER}
    • butylether
    • butyloxide
    • dibutylether
    • dibutyloxide
    • n-butylether
    • 1Butoxybutane
    • Dinbutyl ether
    • nDibutyl ether
    • di n-butylether
    • din butyl ether
    • di-n butyl ether
    • di-1-butyl ether
    • nBu2O
    • di(1-butyl) ether
    • MFCD00009461
    • UN1149
    • Butane,1'-oxybis-
    • di-n-butyl, ether-
    • Butyl ether (8CI)
    • Bu2O
    • BUTYL ETHERS
    • n-Bu2O
    • 1,1'Oxybis(butane)
    • Butane, 1,1'oxybis
    • Di(but-1-yl) ether
    • Di-(1-butyl) ether
    • 1-BUTOXY BUTANE
    • SCHEMBL15167
    • CHEMBL48132
    • Dibutyl ether, p.a., 99%
    • WLN: 4O4
    • NSC8459
    • Dibutyl ether, anhydrous, 99.3%
    • (C4H9)2O
    • Tox21_201037
    • STL280282
    • AKOS015915425
    • Dibutyl ether, ReagentPlus(R), >=99%
    • NCGC00248903-01
    • NCGC00258590-01
    • CAS-142-96-1
    • Dibutyl ether, purum, >=99.0% (GC)
    • LS-13538
    • B0721
    • NS00004547
    • EN300-315383
    • A807991
    • Q1207808
    • F0001-0501

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3259.32
    methanol 2030.05
    isopropanol 3745.57
    water 0.44
    ethyl acetate 3395.62
    n-propanol 3525.14
    acetone 3753.07
    n-butanol 4146.7
    acetonitrile 3004.13
    DMF 2145.96
    toluene 2108.84
    isobutanol 3067.34
    1,4-dioxane 4932.38
    methyl acetate 2438.47
    THF 7362.33
    2-butanone 3265.24
    n-pentanol 2845.7
    sec-butanol 4059.13
    n-hexane 6343.13
    ethylene glycol 309.23
    NMP 2482.07
    cyclohexane 8136.54
    DMSO 2510.24
    n-butyl acetate 5733.07
    n-octanol 2412.2
    chloroform 13595.06
    n-propyl acetate 2884.28
    acetic acid 3069.89
    dichloromethane 9096.1
    cyclohexanone 6496.71
    propylene glycol 756.25
    isopropyl acetate 2276.42
    DMAc 1514.12
    2-ethoxyethanol 1850.65
    isopentanol 3680.28
    n-heptane 6389.48
    ethyl formate 1920.82
    1,2-dichloroethane 4921.39
    n-hexanol 4828.25
    2-methoxyethanol 2507.74
    isobutyl acetate 1804.13
    tetrachloromethane 3782.86
    n-pentyl acetate 3003.34
    transcutol 5105.64
    n-heptanol 2114.96
    ethylbenzene 1489.4
    MIBK 1712.84
    2-propoxyethanol 3132.82
    tert-butanol 5153.17
    MTBE 4253.02
    2-butoxyethanol 2111.06
    propionic acid 2635.02
    o-xylene 1275.8
    formic acid 349.72
    diethyl ether 4785.66
    m-xylene 1233.75
    p-xylene 2088.42
    chlorobenzene 3427.52
    dimethyl carbonate 452.09
    n-octane 1635.64
    formamide 450.82
    cyclopentanone 4793.34
    2-pentanone 3078.81
    anisole 1741.21
    cyclopentyl methyl ether 4357.3
    gamma-butyrolactone 4203.32
    1-methoxy-2-propanol 2248.28
    pyridine 4764.76
    3-pentanone 2199.18
    furfural 3215.58
    n-dodecane 734.03
    diethylene glycol 1238.45
    diisopropyl ether 1834.29
    tert-amyl alcohol 4460.03
    acetylacetone 1996.67
    n-hexadecane 838.25
    acetophenone 1489.95
    methyl propionate 1770.42
    isopentyl acetate 4291.89
    trichloroethylene 8538.63
    n-nonanol 2066.83
    cyclohexanol 5310.05
    benzyl alcohol 1427.23
    2-ethylhexanol 4303.74
    isooctanol 1860.26
    dipropyl ether 6437.52
    1,2-dichlorobenzene 2919.13
    ethyl lactate 875.57
    propylene carbonate 2819.49
    n-methylformamide 1105.31
    2-pentanol 3591.69
    n-pentane 3824.38
    1-propoxy-2-propanol 3800.77
    1-methoxy-2-propyl acetate 2080.91
    2-(2-methoxypropoxy) propanol 1332.59
    mesitylene 915.97
    ε-caprolactone 4805.97
    p-cymene 1601.87
    epichlorohydrin 4442.11
    1,1,1-trichloroethane 7669.9
    2-aminoethanol 904.37
    morpholine-4-carbaldehyde 2358.29
    sulfolane 4056.89
    2,2,4-trimethylpentane 1073.92
    2-methyltetrahydrofuran 7123.46
    n-hexyl acetate 3642.97
    isooctane 883.55
    2-(2-butoxyethoxy)ethanol 2046.42
    sec-butyl acetate 1902.3
    tert-butyl acetate 2097.59
    decalin 1848.3
    glycerin 718.52
    diglyme 3660.02
    acrylic acid 1800.09
    isopropyl myristate 1471.71
    n-butyric acid 5039.77
    acetyl acetate 1708.12
    di(2-ethylhexyl) phthalate 870.92
    ethyl propionate 2194.93
    nitromethane 2827.83
    1,2-diethoxyethane 3799.21
    benzonitrile 2845.63
    trioctyl phosphate 782.87
    1-bromopropane 6056.76
    gamma-valerolactone 4186.47
    n-decanol 1443.94
    triethyl phosphate 1171.4
    4-methyl-2-pentanol 1759.5
    propionitrile 3304.49
    vinylene carbonate 2209.51
    1,1,2-trichlorotrifluoroethane 3398.38
    DMS 1209.75
    cumene 1069.89
    2-octanol 1901.85
    2-hexanone 3150.36
    octyl acetate 1588.72
    limonene 3146.9
    1,2-dimethoxyethane 4291.59
    ethyl orthosilicate 1352.85
    tributyl phosphate 1103.61
    diacetone alcohol 1687.19
    N,N-dimethylaniline 1240.77
    acrylonitrile 2718.61
    aniline 2226.08
    1,3-propanediol 1594.58
    bromobenzene 3869.97
    dibromomethane 8449.09
    1,1,2,2-tetrachloroethane 8197.2
    2-methyl-cyclohexyl acetate 2257.36
    tetrabutyl urea 1280.65
    diisobutyl methanol 2353.66
    2-phenylethanol 1607.58
    styrene 1981.12
    dioctyl adipate 1698.36
    dimethyl sulfate 633.01
    ethyl butyrate 3958.76
    methyl lactate 706.83
    butyl lactate 1744.87
    diethyl carbonate 2098.76
    propanediol butyl ether 1565.77
    triethyl orthoformate 2847.41
    p-tert-butyltoluene 1452.57
    methyl 4-tert-butylbenzoate 1357.77
    morpholine 5749.79
    tert-butylamine 5074.97
    n-dodecanol 1133.18
    dimethoxymethane 1366.87
    ethylene carbonate 2335.99
    cyrene 894.9
    2-ethoxyethyl acetate 1944.51
    2-ethylhexyl acetate 3721.26
    1,2,4-trichlorobenzene 2941.16
    4-methylpyridine 4268.83
    dibutyl ether 5550.87
    2,6-dimethyl-4-heptanol 2353.66
    DEF 2771.54
    dimethyl isosorbide 2015.65
    tetrachloroethylene 6055.08
    eugenol 1191.35
    triacetin 1822.65
    span 80 1925.09
    1,4-butanediol 674.06
    1,1-dichloroethane 6818.51
    2-methyl-1-pentanol 2484.55
    methyl formate 827.78
    2-methyl-1-butanol 3257.05
    n-decane 1514.78
    butyronitrile 4666.02
    3,7-dimethyl-1-octanol 2494.19
    1-chlorooctane 2832.1
    1-chlorotetradecane 1023.94
    n-nonane 1881.73
    undecane 991.08
    tert-butylcyclohexane 1657.3
    cyclooctane 2219.05
    cyclopentanol 4529.57
    tetrahydropyran 9102.6
    tert-amyl methyl ether 2937.66
    2,5,8-trioxanonane 2045.38
    1-hexene 7640.9
    2-isopropoxyethanol 1542.0
    2,2,2-trifluoroethanol 687.1
    methyl butyrate 3300.87

    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