3-Methoxy-1-butanol

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  • Identifiers

    CAS number
    2517-43-3

    Molecular formula
    C5H12O2

    SMILES
    CC(CCO)OC

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fragrance
    Ethereal 77.34%
    Alcoholic 72.29%
    Fruity 69.77%
    Fermented 60.41%
    Green 47.74%
    Solvent 44.62%
    Cognac 44.25%
    Winey 42.62%
    Pungent 40.59%
    Nutty 33.7%

     

    Flavor
    Sweet 63.58%
    Alcoholic 52.82%
    Ether 47.47%
    Fusel 45.39%
    Alcohol 44.27%
    Green 43.76%
    Fruit 40.86%
    Bitter 39.54%
    Oil 36.26%
    Musty 36.18%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.2

    pKa est.
    8.14 (weak base)

    Molecular weight
    104.15 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Fast

    Boiling point est.
    156°C

    Flash point

    • 47.17 ˚C est.

  • Synonyms

    • 3-Methoxybutan-1-ol
    • 3-METHOXY-1-BUTANOL
    • 2517-43-3
    • 3-Methoxybutanol
    • 1-Butanol, 3-methoxy-
    • 3-methoxybutyl alcohol
    • CCRIS 8976
    • EINECS 219-741-8
    • UNII-SJ995B41AO
    • NSC 65580
    • SJ995B41AO
    • DTXSID0044812
    • AI3-24920
    • NSC-65580
    • DTXCID8024812
    • CHEBI:189086
    • EC 219-741-8
    • RefChem:94555
    • 3-METHOXYBUTANOL [INCI]
    • InChI=1/C5H12O2/c1-5(7-2)3-4-6/h5-6H,3-4H2,1-2H
    • JSGVZVOGOQILFM-UHFFFAOYSA-N
    • Methoxybutanol
    • MFCD00002931
    • 1,3-butylene glycol 3-monomethyl ether
    • 1-Butanol, 3-methoxy-, (-)-
    • 3-methoxy-butanol
    • NSC65580
    • 3-methoxybutane-1-ol
    • 3-methoxy-butan-1-ol
    • NCIOpen2_000145
    • SCHEMBL28708
    • SCHEMBL269235
    • 3-Methoxy-1-butanol, 99%
    • SCHEMBL1253745
    • SCHEMBL4187408
    • SCHEMBL7586624
    • CHEMBL3186019
    • Tox21_301623
    • AKOS015903512
    • CS-W013686
    • NCGC00256054-01
    • CAS-2517-43-3
    • M0109
    • NS00002427
    • EN300-94645
    • D77758
    • Q27289241
    • F0001-0848
    • 2517-43-3

  • Applications

    3-Methoxy-1-butanol (CAS 2517-43-3) is primarily used as a solvent and building block in industry, with typical applications including as a solvent for coatings and inks, as an intermediate in the synthesis of fragrance-related and other functional chemicals for cosmetics and personal care, as a solvent in cleaning and household formulations, and as a reactive intermediate in organic synthesis, with use subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1714.95
    methanol 2480.13
    isopropanol 1295.16
    water 161.27
    ethyl acetate 273.17
    n-propanol 1226.13
    acetone 435.44
    n-butanol 912.46
    acetonitrile 510.51
    DMF 905.97
    toluene 55.23
    isobutanol 752.89
    1,4-dioxane 798.46
    methyl acetate 364.29
    THF 714.27
    2-butanone 324.76
    n-pentanol 421.05
    sec-butanol 860.7
    n-hexane 24.35
    ethylene glycol 1105.83
    NMP 563.26
    cyclohexane 52.32
    DMSO 860.66
    n-butyl acetate 116.44
    n-octanol 132.16
    chloroform 684.22
    n-propyl acetate 98.84
    acetic acid 1505.14
    dichloromethane 526.73
    cyclohexanone 393.18
    propylene glycol 1205.25
    isopropyl acetate 110.33
    DMAc 547.95
    2-ethoxyethanol 638.54
    isopentanol 498.54
    n-heptane 29.81
    ethyl formate 270.78
    1,2-dichloroethane 279.54
    n-hexanol 390.62
    2-methoxyethanol 1449.36
    isobutyl acetate 56.16
    tetrachloromethane 187.33
    n-pentyl acetate 76.76
    transcutol 687.34
    n-heptanol 146.0
    ethylbenzene 24.67
    MIBK 96.1
    2-propoxyethanol 583.28
    tert-butanol 1003.12
    MTBE 274.27
    2-butoxyethanol 256.16
    propionic acid 897.83
    o-xylene 54.27
    formic acid 1145.72
    diethyl ether 266.34
    m-xylene 49.07
    p-xylene 35.7
    chlorobenzene 109.24
    dimethyl carbonate 61.51
    n-octane 9.01
    formamide 754.89
    cyclopentanone 430.7
    2-pentanone 205.13
    anisole 98.06
    cyclopentyl methyl ether 246.29
    gamma-butyrolactone 545.05
    1-methoxy-2-propanol 758.85
    pyridine 328.18
    3-pentanone 141.43
    furfural 480.24
    n-dodecane 7.97
    diethylene glycol 739.17
    diisopropyl ether 46.55
    tert-amyl alcohol 667.98
    acetylacetone 164.69
    n-hexadecane 8.39
    acetophenone 86.41
    methyl propionate 220.16
    isopentyl acetate 87.0
    trichloroethylene 476.21
    n-nonanol 105.64
    cyclohexanol 567.38
    benzyl alcohol 163.28
    2-ethylhexanol 143.62
    isooctanol 101.64
    dipropyl ether 104.97
    1,2-dichlorobenzene 97.12
    ethyl lactate 105.14
    propylene carbonate 221.88
    n-methylformamide 753.66
    2-pentanol 439.51
    n-pentane 41.1
    1-propoxy-2-propanol 342.47
    1-methoxy-2-propyl acetate 124.41
    2-(2-methoxypropoxy) propanol 175.1
    mesitylene 31.72
    ε-caprolactone 328.38
    p-cymene 34.32
    epichlorohydrin 475.94
    1,1,1-trichloroethane 282.87
    2-aminoethanol 1484.59
    morpholine-4-carbaldehyde 646.73
    sulfolane 522.72
    2,2,4-trimethylpentane 22.46
    2-methyltetrahydrofuran 529.51
    n-hexyl acetate 115.72
    isooctane 13.18
    2-(2-butoxyethoxy)ethanol 253.58
    sec-butyl acetate 57.09
    tert-butyl acetate 99.45
    decalin 15.53
    glycerin 1242.5
    diglyme 385.03
    acrylic acid 746.8
    isopropyl myristate 40.12
    n-butyric acid 722.89
    acetyl acetate 132.66
    di(2-ethylhexyl) phthalate 56.87
    ethyl propionate 82.86
    nitromethane 988.74
    1,2-diethoxyethane 139.81
    benzonitrile 149.21
    trioctyl phosphate 45.66
    1-bromopropane 185.74
    gamma-valerolactone 630.26
    n-decanol 73.22
    triethyl phosphate 50.84
    4-methyl-2-pentanol 152.31
    propionitrile 384.85
    vinylene carbonate 215.53
    1,1,2-trichlorotrifluoroethane 595.1
    DMS 78.62
    cumene 25.18
    2-octanol 82.84
    2-hexanone 104.74
    octyl acetate 60.09
    limonene 64.03
    1,2-dimethoxyethane 480.28
    ethyl orthosilicate 51.83
    tributyl phosphate 48.48
    diacetone alcohol 225.04
    N,N-dimethylaniline 69.01
    acrylonitrile 439.82
    aniline 236.35
    1,3-propanediol 1318.63
    bromobenzene 75.12
    dibromomethane 342.16
    1,1,2,2-tetrachloroethane 408.35
    2-methyl-cyclohexyl acetate 70.67
    tetrabutyl urea 63.96
    diisobutyl methanol 67.63
    2-phenylethanol 142.81
    styrene 34.24
    dioctyl adipate 66.33
    dimethyl sulfate 119.41
    ethyl butyrate 83.29
    methyl lactate 224.71
    butyl lactate 100.0
    diethyl carbonate 54.82
    propanediol butyl ether 260.25
    triethyl orthoformate 68.7
    p-tert-butyltoluene 36.84
    methyl 4-tert-butylbenzoate 100.6
    morpholine 1027.36
    tert-butylamine 507.08
    n-dodecanol 53.97
    dimethoxymethane 289.49
    ethylene carbonate 184.23
    cyrene 165.04
    2-ethoxyethyl acetate 104.76
    2-ethylhexyl acetate 64.55
    1,2,4-trichlorobenzene 127.34
    4-methylpyridine 248.76
    dibutyl ether 71.05
    2,6-dimethyl-4-heptanol 67.63
    DEF 309.44
    dimethyl isosorbide 206.15
    tetrachloroethylene 342.68
    eugenol 127.33
    triacetin 111.6
    span 80 188.22
    1,4-butanediol 522.86
    1,1-dichloroethane 349.83
    2-methyl-1-pentanol 254.76
    methyl formate 365.06
    2-methyl-1-butanol 532.91
    n-decane 13.32
    butyronitrile 368.96
    3,7-dimethyl-1-octanol 105.6
    1-chlorooctane 48.37
    1-chlorotetradecane 19.1
    n-nonane 13.29
    undecane 9.74
    tert-butylcyclohexane 17.27
    cyclooctane 12.88
    cyclopentanol 686.75
    tetrahydropyran 547.98
    tert-amyl methyl ether 189.4
    2,5,8-trioxanonane 275.07
    1-hexene 72.75
    2-isopropoxyethanol 310.6
    2,2,2-trifluoroethanol 484.03
    methyl butyrate 133.87

    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