ETHYL tert-BUTYL ETHER

Overview IFRA Request a quote

  • Identifiers

    CAS number
    637-92-3

    Molecular formula
    C6H14O

    SMILES
    CCOC(C)(C)C

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Ethereal 75.81%
    Camphoreous 54.55%
    Fermented 52.47%
    Mint 49.74%
    Solvent 48.11%
    Alcoholic 47.73%
    Fresh 45.55%
    Gassy 36.53%
    Pungent 34.58%
    Musty 33.87%

    Scent© AI

  • Properties

    XLogP3-AA
    1.4

    Molecular weight
    102.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -137 °F (NTP, 1992)
    • -94 °C
    • -137 °F

    Boiling point

    • 163.6 °F at 760 mmHg (NTP, 1992)
    • 72.6 °C
    • 70-73 °C
    • 163.6 °F

    Flash point est.
    -24.87 ˚C

    Flash point expt.

    • -3 °F (NTP, 1992)
    • -19 °C (-2 °F) - closed cup
    • -19 °C c.c.
    • -3 °F

    Solubility expt.

    • less than 1 mg/mL at 70 °F (NTP, 1992)
    • Very soluble in ethanol, ethyl ether
    • In water, 1.2X10+4 mg/L at 20 °C
    • Solubility in water, g/100ml at 25 °C: 1.2 (poor)

  • Synonyms

    • tert-Butyl ethyl ether
    • 637-92-3
    • Ethyl tert-butyl ether
    • 2-Ethoxy-2-methylpropane
    • ETBE
    • Propane, 2-ethoxy-2-methyl-
    • Ethyl tert-butyl oxide
    • Ethyl t-butyl ether
    • Ether, tert-butyl ethyl
    • 2-Methyl-2-ethoxypropane
    • Ethyl-tert-butyl ether
    • Methyl-2-ethoxypropane
    • 1,1-Dimethylethyl ethyl ether
    • T-BUTYL ETHYL ETHER
    • Ethyl 1,1-dimethylethyl ether
    • CCRIS 6061
    • 2-ethoxy-2-methyl-propane
    • NSC 1069
    • EINECS 211-309-7
    • t-BuOEt
    • HSDB 7867
    • 2-Methyl-2-ethoxypropane (etbe)
    • 3R9B16WR19
    • NSC-1069
    • DTXSID0025604
    • CHEBI:141564
    • EC 211-309-7
    • METHYL-2-ETHOXYPROPANE, 2-
    • ETHYL TERT-BUTYL ETHER [MI]
    • MFCD00009225
    • ethyl tertiary-butyl ether
    • UNII-3R9B16WR19
    • Methyl2ethoxypropane
    • 2Ethoxy2methylpropane
    • 2Methyl2ethoxypropane
    • Ethyl tertbutyl oxide
    • tertButyl ethyl ether
    • ethyl, t-butyl ether-
    • tert-C4H9OC2H5
    • Ethyl, tert-butyl oxide
    • SCHEMBL42870
    • 1,1Dimethylethyl ethyl ether
    • Ethyl 1,1dimethylethyl ether
    • Propane, 2-ethyoxy-2-methyl
    • tert-Butyl ethyl ether, 99%
    • DTXCID305604
    • CHEMBL1409831
    • Ethyl, 1,1-dimethylethyl ether
    • NSC1069
    • ethyl (2-methyl-2-propyl) ether
    • ethyl 1,1-dimethylethyl ethyl ether
    • Tox21_200349
    • GEO-03226
    • AKOS015909016
    • NCGC00091556-01
    • NCGC00091556-02
    • NCGC00257903-01
    • CAS-637-92-3
    • FT168399
    • DB-054548
    • tert-Butyl ethyl ether, analytical standard
    • B1542
    • NS00009065
    • N11919
    • tert-Butyl ethyl ether, purum, >=97.0% (GC)
    • A834529
    • Q424480
    • Ethyl-tert-butyl ether 100 microg/mL in Acetonitrile
    • 211-309-7

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 700.47
    methanol 809.66
    isopropanol 578.57
    water 14.0
    ethyl acetate 456.34
    n-propanol 624.31
    acetone 348.6
    n-butanol 639.41
    acetonitrile 305.11
    DMF 319.15
    toluene 318.11
    isobutanol 453.04
    1,4-dioxane 714.94
    methyl acetate 431.9
    THF 799.83
    2-butanone 417.45
    n-pentanol 334.4
    sec-butanol 659.5
    n-hexane 596.19
    ethylene glycol 207.43
    NMP 576.45
    cyclohexane 609.99
    DMSO 220.0
    n-butyl acetate 436.32
    n-octanol 440.91
    chloroform 1200.57
    n-propyl acetate 231.91
    acetic acid 530.31
    dichloromethane 776.37
    cyclohexanone 630.38
    propylene glycol 299.52
    isopropyl acetate 261.4
    DMAc 463.31
    2-ethoxyethanol 343.57
    isopentanol 435.54
    n-heptane 562.71
    ethyl formate 247.42
    1,2-dichloroethane 402.93
    n-hexanol 847.55
    2-methoxyethanol 610.15
    isobutyl acetate 181.11
    tetrachloromethane 479.02
    n-pentyl acetate 304.92
    transcutol 978.95
    n-heptanol 369.12
    ethylbenzene 192.49
    MIBK 182.97
    2-propoxyethanol 749.68
    tert-butanol 638.86
    MTBE 606.98
    2-butoxyethanol 384.66
    propionic acid 487.07
    o-xylene 262.57
    formic acid 224.25
    diethyl ether 682.44
    m-xylene 221.31
    p-xylene 237.05
    chlorobenzene 292.09
    dimethyl carbonate 110.2
    n-octane 178.74
    formamide 163.82
    cyclopentanone 493.16
    2-pentanone 310.14
    anisole 252.97
    cyclopentyl methyl ether 610.76
    gamma-butyrolactone 504.84
    1-methoxy-2-propanol 454.87
    pyridine 402.35
    3-pentanone 353.4
    furfural 373.68
    n-dodecane 113.3
    diethylene glycol 455.27
    diisopropyl ether 252.09
    tert-amyl alcohol 713.27
    acetylacetone 250.05
    n-hexadecane 119.12
    acetophenone 197.67
    methyl propionate 345.48
    isopentyl acetate 351.57
    trichloroethylene 621.37
    n-nonanol 379.59
    cyclohexanol 737.02
    benzyl alcohol 197.1
    2-ethylhexanol 529.9
    isooctanol 269.88
    dipropyl ether 573.31
    1,2-dichlorobenzene 277.47
    ethyl lactate 155.67
    propylene carbonate 329.42
    n-methylformamide 230.52
    2-pentanol 469.44
    n-pentane 484.48
    1-propoxy-2-propanol 647.07
    1-methoxy-2-propyl acetate 382.79
    2-(2-methoxypropoxy) propanol 379.17
    mesitylene 152.4
    ε-caprolactone 608.67
    p-cymene 206.05
    epichlorohydrin 473.38
    1,1,1-trichloroethane 607.12
    2-aminoethanol 356.6
    morpholine-4-carbaldehyde 548.01
    sulfolane 464.29
    2,2,4-trimethylpentane 198.26
    2-methyltetrahydrofuran 864.24
    n-hexyl acetate 524.52
    isooctane 115.97
    2-(2-butoxyethoxy)ethanol 465.39
    sec-butyl acetate 202.01
    tert-butyl acetate 301.03
    decalin 208.21
    glycerin 324.27
    diglyme 644.25
    acrylic acid 343.85
    isopropyl myristate 233.54
    n-butyric acid 495.0
    acetyl acetate 275.02
    di(2-ethylhexyl) phthalate 178.92
    ethyl propionate 253.27
    nitromethane 369.34
    1,2-diethoxyethane 434.76
    benzonitrile 210.01
    trioctyl phosphate 145.83
    1-bromopropane 517.14
    gamma-valerolactone 558.05
    n-decanol 280.02
    triethyl phosphate 175.32
    4-methyl-2-pentanol 240.14
    propionitrile 346.51
    vinylene carbonate 268.45
    1,1,2-trichlorotrifluoroethane 503.12
    DMS 252.67
    cumene 153.58
    2-octanol 288.04
    2-hexanone 258.66
    octyl acetate 298.39
    limonene 374.08
    1,2-dimethoxyethane 485.82
    ethyl orthosilicate 193.4
    tributyl phosphate 179.93
    diacetone alcohol 286.02
    N,N-dimethylaniline 200.39
    acrylonitrile 273.86
    aniline 317.03
    1,3-propanediol 390.4
    bromobenzene 306.72
    dibromomethane 731.68
    1,1,2,2-tetrachloroethane 642.26
    2-methyl-cyclohexyl acetate 305.75
    tetrabutyl urea 212.6
    diisobutyl methanol 243.3
    2-phenylethanol 303.91
    styrene 199.83
    dioctyl adipate 257.78
    dimethyl sulfate 142.53
    ethyl butyrate 296.41
    methyl lactate 198.59
    butyl lactate 248.78
    diethyl carbonate 199.31
    propanediol butyl ether 360.53
    triethyl orthoformate 274.61
    p-tert-butyltoluene 210.79
    methyl 4-tert-butylbenzoate 294.42
    morpholine 781.23
    tert-butylamine 569.34
    n-dodecanol 220.86
    dimethoxymethane 282.57
    ethylene carbonate 253.81
    cyrene 237.14
    2-ethoxyethyl acetate 329.02
    2-ethylhexyl acetate 354.86
    1,2,4-trichlorobenzene 337.3
    4-methylpyridine 428.22
    dibutyl ether 452.38
    2,6-dimethyl-4-heptanol 243.3
    DEF 390.88
    dimethyl isosorbide 449.99
    tetrachloroethylene 538.33
    eugenol 241.09
    triacetin 367.17
    span 80 422.15
    1,4-butanediol 167.31
    1,1-dichloroethane 530.51
    2-methyl-1-pentanol 301.55
    methyl formate 169.23
    2-methyl-1-butanol 506.54
    n-decane 191.95
    butyronitrile 348.42
    3,7-dimethyl-1-octanol 377.16
    1-chlorooctane 346.01
    1-chlorotetradecane 163.28
    n-nonane 221.04
    undecane 138.38
    tert-butylcyclohexane 217.9
    cyclooctane 255.11
    cyclopentanol 593.26
    tetrahydropyran 935.13
    tert-amyl methyl ether 596.46
    2,5,8-trioxanonane 470.02
    1-hexene 584.33
    2-isopropoxyethanol 287.62
    2,2,2-trifluoroethanol 205.25
    methyl butyrate 276.13

    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