2-N-Dibutylaminoethanol

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  • Identifiers

    CAS number
    102-81-8

    Molecular formula
    C10H23NO

    SMILES
    CCCCN(CCCC)CCO

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fishy 74.04%
    Cheesy 63.15%
    Ripe 47.09%
    Oily 34.34%
    Animal 30.73%
    Fresh 26.36%
    Mint 24.79%
    Cooling 23.47%
    Musty 23.26%
    Pungent 22.02%

     

    Flavor
    Mild 30.55%
    Fatty 26.98%
    Sulfurous 25.09%
    Odorless 23.67%
    Green 23.48%
    Herbal 23.05%
    Skunky 22.09%
    Violet-leaf 21.93%
    Leathery 21.74%
    Sarsaparilla 21.73%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.1

    pKa est.
    8.02 (weak base)

    Molecular weight
    173.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Melting point expt.

    • -70 °C

    Boiling point

    • 435 to 450 °F at 760 mmHg (NTP, 1992)
    • 222-232 °C
    • 446 °F

    Flash point

    • 101.5 ˚C est.
    • 210 °F (NTP, 1992)
    • 210 °F
    • 90 °C c.c.
    • 195 °F

    Solubility expt.

    • less than 1 mg/mL at 64 °F (NTP, 1992)
    • Solubility in water at 20 °C: poor
    • 0.4%

  • Synonyms

    • 2-(DIBUTYLAMINO)ETHANOL
    • 102-81-8
    • N,N-Dibutylethanolamine
    • Ethanol, 2-(dibutylamino)-
    • 2-N-Dibutylaminoethanol
    • Dibutylaminoethanol
    • 2-Dibutylaminoethanol
    • Dibutylethanolamine
    • Di(n-butyl)ethanolamine
    • BU2AE
    • 2-Di-n-butylaminoethanol
    • Dbae
    • N,N-(Dibutylamino)ethanol
    • N,N-di-n-Butylaminoethanol
    • N,N-Dibutyl-2-hydroxyethylamine
    • NSC 6330
    • N,N-Dibutyl-N-(2-hydroxyethyl)amine
    • beta-N-Dibutylaminoethyl alcohol
    • (Dibutylamino)ethanol
    • CCRIS 4784
    • EINECS 203-057-1
    • 3IT10X9MHO
    • dibutyl ethanolamine
    • UN2873
    • BRN 1738441
    • DTXSID2024953
    • AI3-26460
    • n,n-dibutylaminoethanol
    • NSC-6330
    • EXTENDEX 30
    • DTXCID904953
    • DIBUTYLAMINOETHANOL, 2-N-
    • EC 203-057-1
    • .beta.-N-Dibutylaminoethyl alcohol
    • 4-04-00-01506 (Beilstein Handbook Reference)
    • N-(2-HYDROXYETHYL)DIBUTYLAMINE
    • UNII-3IT10X9MHO
    • N,N-di-n-Butylethanolamine
    • 2-(di-n-butylamino)ethanol
    • 2-(dibutylamino)ethan-1-ol
    • 2-Di-N-butylaminoethyl alcohol
    • 2-Ethamolamine, N,N-dibutyl-
    • 2Dibutylaminoethanol
    • 2Dinbutylaminoethanol
    • 2NDibutylaminoethanol
    • MFCD00014033
    • N,NDibutylethanolamine
    • Di(nbutyl)ethanolamine
    • DIBUTYLAMINOTHANOL
    • N,N(Dibutylamino)ethanol
    • 2-(dibutylamino) ethanol
    • N,NDibutyl2hydroxyethylamine
    • SCHEMBL20629
    • betaNDibutylaminoethyl alcohol
    • MLS002454367
    • 2-(Dibutylamino)ethanol, 99%
    • CHEMBL1447214
    • N,NDibutylN(2hydroxyethyl)amine
    • NSC6330
    • 2-N-Dibutylaminoethanol (ACGIH)
    • HMS3039C08
    • DIBUTYL ETHANOLAMINE [INCI]
    • WLN: Q2N4 & 4
    • AAA10281
    • Tox21_200702
    • STL453681
    • AKOS009068787
    • UN 2873
    • NCGC00091656-01
    • NCGC00091656-02
    • NCGC00258256-01
    • AS-88687
    • CAS-102-81-8
    • Dibutylaminoethanol [UN2873] [Poison]
    • SMR001371991
    • D0219
    • NS00003157
    • EN300-6479348
    • Q20963640
    • 203-057-1

  • Applications

    2-N-Dibutylaminoethanol is used primarily as a chemical building block and functional intermediate in organic synthesis. It serves as a precursor for specialty amines and can be quaternized to form cationic surfactants, supporting formulations in cleaners and coatings. In polymer and coatings applications, the molecule can function as a reactive diluent or as a catalyst/auxiliary in polyurethane and epoxy systems due to its hydroxyethyl group and tertiary amine. It can also act as a solvent or processing aid in industrial manufacturing for balancing polar and nonpolar solubility. Additionally, it is used as an intermediate in fragrance/cosmetic ingredient synthesis and as a starting point for other specialty polymers and surfactants. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1891.82
    methanol 2435.22
    isopropanol 1539.47
    water 1.92
    ethyl acetate 517.8
    n-propanol 2087.19
    acetone 833.38
    n-butanol 1856.86
    acetonitrile 505.41
    DMF 767.27
    toluene 180.42
    isobutanol 1482.28
    1,4-dioxane 941.27
    methyl acetate 469.59
    THF 1437.7
    2-butanone 599.46
    n-pentanol 871.87
    sec-butanol 1394.6
    n-hexane 201.81
    ethylene glycol 437.02
    NMP 864.09
    cyclohexane 440.22
    DMSO 1708.54
    n-butyl acetate 882.61
    n-octanol 300.04
    chloroform 2138.08
    n-propyl acetate 502.03
    acetic acid 1558.91
    dichloromethane 1687.08
    cyclohexanone 1416.17
    propylene glycol 719.69
    isopropyl acetate 298.71
    DMAc 374.57
    2-ethoxyethanol 783.04
    isopentanol 1151.85
    n-heptane 217.95
    ethyl formate 607.82
    1,2-dichloroethane 1011.21
    n-hexanol 1146.47
    2-methoxyethanol 1418.63
    isobutyl acetate 322.18
    tetrachloromethane 618.41
    n-pentyl acetate 397.5
    transcutol 1415.65
    n-heptanol 409.03
    ethylbenzene 118.87
    MIBK 245.5
    2-propoxyethanol 994.97
    tert-butanol 1489.51
    MTBE 608.34
    2-butoxyethanol 582.24
    propionic acid 1297.36
    o-xylene 151.49
    formic acid 465.48
    diethyl ether 547.58
    m-xylene 135.1
    p-xylene 170.3
    chlorobenzene 462.43
    dimethyl carbonate 106.64
    n-octane 56.31
    formamide 463.13
    cyclopentanone 1322.85
    2-pentanone 485.45
    anisole 201.18
    cyclopentyl methyl ether 734.01
    gamma-butyrolactone 1499.29
    1-methoxy-2-propanol 856.38
    pyridine 807.91
    3-pentanone 344.51
    furfural 1167.93
    n-dodecane 28.98
    diethylene glycol 675.43
    diisopropyl ether 148.72
    tert-amyl alcohol 1183.32
    acetylacetone 366.65
    n-hexadecane 32.92
    acetophenone 253.35
    methyl propionate 377.71
    isopentyl acetate 656.07
    trichloroethylene 1737.08
    n-nonanol 242.87
    cyclohexanol 1413.25
    benzyl alcohol 319.46
    2-ethylhexanol 671.03
    isooctanol 334.3
    dipropyl ether 595.35
    1,2-dichlorobenzene 468.47
    ethyl lactate 249.68
    propylene carbonate 822.24
    n-methylformamide 712.61
    2-pentanol 901.4
    n-pentane 207.4
    1-propoxy-2-propanol 889.09
    1-methoxy-2-propyl acetate 437.03
    2-(2-methoxypropoxy) propanol 309.42
    mesitylene 104.34
    ε-caprolactone 1139.16
    p-cymene 172.53
    epichlorohydrin 1107.66
    1,1,1-trichloroethane 1053.17
    2-aminoethanol 1002.73
    morpholine-4-carbaldehyde 737.42
    sulfolane 1883.72
    2,2,4-trimethylpentane 99.46
    2-methyltetrahydrofuran 1267.24
    n-hexyl acetate 442.77
    isooctane 56.75
    2-(2-butoxyethoxy)ethanol 480.8
    sec-butyl acetate 276.44
    tert-butyl acetate 317.22
    decalin 110.69
    glycerin 728.0
    diglyme 885.84
    acrylic acid 902.07
    isopropyl myristate 149.46
    n-butyric acid 1833.55
    acetyl acetate 310.14
    di(2-ethylhexyl) phthalate 173.62
    ethyl propionate 314.39
    nitromethane 1076.16
    1,2-diethoxyethane 481.41
    benzonitrile 454.25
    trioctyl phosphate 154.36
    1-bromopropane 742.89
    gamma-valerolactone 1341.9
    n-decanol 171.11
    triethyl phosphate 233.18
    4-methyl-2-pentanol 343.97
    propionitrile 706.65
    vinylene carbonate 702.47
    1,1,2-trichlorotrifluoroethane 1278.98
    DMS 235.86
    cumene 105.87
    2-octanol 252.09
    2-hexanone 424.41
    octyl acetate 200.49
    limonene 337.44
    1,2-dimethoxyethane 896.39
    ethyl orthosilicate 242.97
    tributyl phosphate 198.35
    diacetone alcohol 433.85
    N,N-dimethylaniline 150.23
    acrylonitrile 677.49
    aniline 447.37
    1,3-propanediol 1211.18
    bromobenzene 416.61
    dibromomethane 1219.6
    1,1,2,2-tetrachloroethane 1670.17
    2-methyl-cyclohexyl acetate 400.73
    tetrabutyl urea 225.7
    diisobutyl methanol 311.97
    2-phenylethanol 369.94
    styrene 152.46
    dioctyl adipate 252.72
    dimethyl sulfate 219.28
    ethyl butyrate 528.72
    methyl lactate 280.66
    butyl lactate 418.29
    diethyl carbonate 314.23
    propanediol butyl ether 483.73
    triethyl orthoformate 404.45
    p-tert-butyltoluene 160.26
    methyl 4-tert-butylbenzoate 274.56
    morpholine 1319.97
    tert-butylamine 1051.45
    n-dodecanol 132.4
    dimethoxymethane 358.53
    ethylene carbonate 645.74
    cyrene 308.84
    2-ethoxyethyl acetate 372.83
    2-ethylhexyl acetate 528.12
    1,2,4-trichlorobenzene 535.48
    4-methylpyridine 589.44
    dibutyl ether 373.22
    2,6-dimethyl-4-heptanol 311.97
    DEF 538.79
    dimethyl isosorbide 503.97
    tetrachloroethylene 1415.8
    eugenol 279.5
    triacetin 337.37
    span 80 414.34
    1,4-butanediol 469.25
    1,1-dichloroethane 973.31
    2-methyl-1-pentanol 583.33
    methyl formate 468.01
    2-methyl-1-butanol 1192.16
    n-decane 55.56
    butyronitrile 852.85
    3,7-dimethyl-1-octanol 307.72
    1-chlorooctane 202.42
    1-chlorotetradecane 69.54
    n-nonane 61.97
    undecane 38.14
    tert-butylcyclohexane 100.28
    cyclooctane 100.48
    cyclopentanol 1568.81
    tetrahydropyran 1441.31
    tert-amyl methyl ether 421.71
    2,5,8-trioxanonane 489.16
    1-hexene 427.42
    2-isopropoxyethanol 466.74
    2,2,2-trifluoroethanol 445.76
    methyl butyrate 550.79

    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