Diethylamine

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  • Identifiers

    CAS number
    109-89-7

    Molecular formula
    C4H11N

    SMILES
    CCNCC

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fishy 91.84%
    Cheesy 84.11%
    Ripe 65.65%
    Animal 29.09%
    Meaty 23.9%
    Odorless 21.8%
    Pungent 20.58%
    Savory 17.4%
    Musty 16.51%
    Sweaty 15.92%

     

    Flavor
    Fishy 57.82%
    Ammoniacal 47.9%
    Ammonia 28.7%
    Meaty 25.94%
    Sulfurous 25.8%
    Onion 23.45%
    Glue 21.6%
    Sulfury 21.24%
    Bloody 20.99%
    Skunky 20.11%

     

    Odor impact est.
    High

    Odor threshold

    • Odor Threshold Low: 0.02 [mmHg]. Odor Threshold High: 14.0 [mmHg]. Detection odor threshold from AIHA (mean = 0.053 ppm)
    • Odor detection in air= 2.0X10-2 ppm (Purity not specified)
    • Odor recognition in air= 6.0X10-2 ppm (Purity not specified)
    • Odor detection in water= 1.21X10+1 ppm (Chemically pure)
    • Odor detection in water= 3.8X10+1 ppm (Chemically pure)
    • For more Odor Threshold (Complete) data for DIETHYLAMINE (6 total), please visit the HSDB record page.

  • Properties

    XLogP3-AA
    0.6

    pKa est.
    8.88 (weak base)

    Molecular weight
    73.14 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -58 °F (NTP, 1992)
    • -50 °C
    • -58 °F

    Boiling point

    • 131.9 °F at 760 mmHg (NTP, 1992)
    • 55.5 °C
    • 55.00 to 58.00 °C. @ 760.00 mm Hg
    • 132 °F

    Flash point

    • -19.91 ˚C est.
    • -20 °F (NTP, 1992)
    • -20 °F
    • -22.99 °C (-9.38 °F) - closed cup
    • < -26 °C, closed cup
    • 5 °F open cup
    • Less than - 17.8 °C closed cup
    • -28 °C c.c.
    • -15 °F

    Solubility expt.

    • greater than or equal to 100 mg/mL at 63 °F (NTP, 1992)
    • In water, infinitely soluble /1X10+6 mg/L/ at 25 °C
    • Miscible with water, alcohol
    • Soluble in ether and carbon tetrachloride
    • Miscible with most organic solvents
    • For more Solubility (Complete) data for DIETHYLAMINE (6 total), please visit the HSDB record page.
    • Solubility in water: miscible
    • Miscible

  • Synonyms

    • DIETHYLAMINE
    • 109-89-7
    • N-Ethylethanamine
    • N,N-Diethylamine
    • Diethamine
    • Ethanamine, N-ethyl-
    • Diaethylamin
    • Dietilamina
    • Dwuetyloamina
    • diethyl amine
    • Diethyl-amine
    • Et2NH
    • CCRIS 4792
    • HSDB 524
    • (C2H5)2NH
    • EINECS 203-716-3
    • UNII-B035PIS86W
    • B035PIS86W
    • DTXSID6021909
    • CHEBI:85259
    • AI3-24215
    • MFCD00009032
    • DTXCID501909
    • EC 203-716-3
    • ethane, ethylamino-
    • Diethylamin
    • N-Ethyl-Ethanamine
    • Diaethylamin [German]
    • Dietilamina [Italian]
    • Dwuetyloamina [Polish]
    • MELPHALAN IMPURITY K (EP IMPURITY)
    • MELPHALAN IMPURITY K [EP IMPURITY]
    • UN1154
    • dietylamine
    • di-ethylamine
    • N,N-diethyl amine
    • ethanamine, N-ethyl
    • Diethylamine, 98%
    • Diethylamine, BioXtra
    • HNEt2
    • DIETHYLAMINE [MI]
    • DIETHYLAMINE [HSDB]
    • Diethylamine, >=99.5%
    • CHEMBL1189
    • Diethylamine, LR, >=99%
    • (CH3CH2)2 NH
    • Diethylamine, p.a., 99.0%
    • AAA99711
    • KLA13288
    • STR00027
    • YWB01951
    • Tox21_202506
    • STL197470
    • Diethylamine, for synthesis, 99.0%
    • AKOS000269031
    • Diethylamine 2000 microg/mL in Water
    • FD31628
    • UN 1154
    • NCGC00090709-01
    • NCGC00090709-02
    • NCGC00260055-01
    • CAS-109-89-7
    • Diethylamine, SAJ first grade, >=98.0%
    • D0462
    • Diethylamine [UN1154] [Flammable liquid]
    • Diethylamine, SAJ special grade, >=99.0%
    • NS00002245
    • D89660
    • Diethylamine, puriss. p.a., >=99.5% (GC)
    • Diethylamine, purified by redistillation, 99.5%
    • Q414196
    • InChI=1/C4H11N/c1-3-5-4-2/h5H,3-4H2,1-2H
    • 203-716-3
    • 5-Oxo-L-prolyl-L-glutaminyl-L-alpha-aspartyl-O-sulfo-L-tyrosyl-L-threonylglycyl-L-tryptophyl-L-methionyl-L-alpha-aspartyl-L-phenylalaninamideN-ethylethanamine (1/1)

  • Applications

    Diethylamine is a versatile secondary amine that acts mainly as a synthetic building block and processing aid across multiple industries. In pharmaceuticals and agrochemicals, it serves as an intermediate for preparing amine-containing drugs and active ingredients. It is a key precursor for surfactants and cationic polymers (via diethylaminoethyl derivatives and quaternary ammonium salts), and is used in the manufacture of dyes and pigments. It also functions as a solvent or processing medium in organic synthesis and as a reagent in coating and ink formulations and in specialty cleaners, subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 383.57
    methanol 496.89
    isopropanol 203.06
    water 1.96
    ethyl acetate 170.23
    n-propanol 304.3
    acetone 211.05
    n-butanol 302.72
    acetonitrile 165.59
    DMF 170.21
    toluene 83.17
    isobutanol 157.68
    1,4-dioxane 305.52
    methyl acetate 158.52
    THF 680.35
    2-butanone 194.57
    n-pentanol 165.68
    sec-butanol 207.75
    n-hexane 117.69
    ethylene glycol 85.55
    NMP 368.12
    cyclohexane 208.66
    DMSO 241.96
    n-butyl acetate 330.12
    n-octanol 98.7
    chloroform 737.01
    n-propyl acetate 101.65
    acetic acid 416.94
    dichloromethane 533.6
    cyclohexanone 361.39
    propylene glycol 108.7
    isopropyl acetate 83.06
    DMAc 155.61
    2-ethoxyethanol 154.43
    isopentanol 152.23
    n-heptane 216.88
    ethyl formate 139.68
    1,2-dichloroethane 261.97
    n-hexanol 332.36
    2-methoxyethanol 299.62
    isobutyl acetate 60.32
    tetrachloromethane 234.79
    n-pentyl acetate 128.98
    transcutol 357.12
    n-heptanol 116.84
    ethylbenzene 33.06
    MIBK 56.98
    2-propoxyethanol 362.41
    tert-butanol 175.59
    MTBE 140.41
    2-butoxyethanol 151.1
    propionic acid 270.47
    o-xylene 47.05
    formic acid 137.98
    diethyl ether 243.37
    m-xylene 40.85
    p-xylene 44.27
    chlorobenzene 158.69
    dimethyl carbonate 28.16
    n-octane 46.97
    formamide 105.44
    cyclopentanone 425.44
    2-pentanone 150.27
    anisole 62.23
    cyclopentyl methyl ether 244.06
    gamma-butyrolactone 427.85
    1-methoxy-2-propanol 167.38
    pyridine 292.51
    3-pentanone 123.99
    furfural 327.38
    n-dodecane 23.79
    diethylene glycol 208.36
    diisopropyl ether 47.34
    tert-amyl alcohol 168.99
    acetylacetone 103.62
    n-hexadecane 25.4
    acetophenone 58.93
    methyl propionate 113.05
    isopentyl acetate 193.35
    trichloroethylene 440.62
    n-nonanol 86.46
    cyclohexanol 273.18
    benzyl alcohol 73.31
    2-ethylhexanol 206.54
    isooctanol 78.43
    dipropyl ether 277.24
    1,2-dichlorobenzene 121.97
    ethyl lactate 47.25
    propylene carbonate 200.06
    n-methylformamide 155.08
    2-pentanol 156.73
    n-pentane 131.85
    1-propoxy-2-propanol 292.98
    1-methoxy-2-propyl acetate 146.13
    2-(2-methoxypropoxy) propanol 93.53
    mesitylene 24.84
    ε-caprolactone 294.09
    p-cymene 60.43
    epichlorohydrin 322.03
    1,1,1-trichloroethane 274.28
    2-aminoethanol 159.89
    morpholine-4-carbaldehyde 237.11
    sulfolane 405.27
    2,2,4-trimethylpentane 38.29
    2-methyltetrahydrofuran 461.38
    n-hexyl acetate 144.76
    isooctane 18.37
    2-(2-butoxyethoxy)ethanol 140.25
    sec-butyl acetate 57.34
    tert-butyl acetate 75.69
    decalin 36.52
    glycerin 133.28
    diglyme 216.58
    acrylic acid 213.41
    isopropyl myristate 57.44
    n-butyric acid 345.08
    acetyl acetate 105.16
    di(2-ethylhexyl) phthalate 56.29
    ethyl propionate 76.23
    nitromethane 262.69
    1,2-diethoxyethane 205.69
    benzonitrile 110.89
    trioctyl phosphate 47.55
    1-bromopropane 279.17
    gamma-valerolactone 349.16
    n-decanol 64.07
    triethyl phosphate 67.18
    4-methyl-2-pentanol 55.49
    propionitrile 181.89
    vinylene carbonate 162.29
    1,1,2-trichlorotrifluoroethane 294.85
    DMS 67.28
    cumene 25.87
    2-octanol 74.68
    2-hexanone 106.24
    octyl acetate 77.22
    limonene 132.18
    1,2-dimethoxyethane 182.03
    ethyl orthosilicate 70.92
    tributyl phosphate 64.85
    diacetone alcohol 83.89
    N,N-dimethylaniline 42.18
    acrylonitrile 172.06
    aniline 142.75
    1,3-propanediol 202.97
    bromobenzene 145.16
    dibromomethane 435.32
    1,1,2,2-tetrachloroethane 378.92
    2-methyl-cyclohexyl acetate 116.76
    tetrabutyl urea 75.41
    diisobutyl methanol 79.06
    2-phenylethanol 122.3
    styrene 48.66
    dioctyl adipate 76.23
    dimethyl sulfate 49.28
    ethyl butyrate 166.43
    methyl lactate 61.21
    butyl lactate 92.7
    diethyl carbonate 80.33
    propanediol butyl ether 104.67
    triethyl orthoformate 117.49
    p-tert-butyltoluene 57.6
    methyl 4-tert-butylbenzoate 71.32
    morpholine 376.83
    tert-butylamine 137.76
    n-dodecanol 51.4
    dimethoxymethane 101.19
    ethylene carbonate 140.76
    cyrene 80.1
    2-ethoxyethyl acetate 123.4
    2-ethylhexyl acetate 190.08
    1,2,4-trichlorobenzene 145.51
    4-methylpyridine 202.11
    dibutyl ether 165.37
    2,6-dimethyl-4-heptanol 79.06
    DEF 158.78
    dimethyl isosorbide 167.9
    tetrachloroethylene 330.56
    eugenol 76.84
    triacetin 94.85
    span 80 130.61
    1,4-butanediol 78.86
    1,1-dichloroethane 277.57
    2-methyl-1-pentanol 108.15
    methyl formate 98.0
    2-methyl-1-butanol 173.63
    n-decane 42.51
    butyronitrile 197.5
    3,7-dimethyl-1-octanol 95.59
    1-chlorooctane 88.07
    1-chlorotetradecane 37.03
    n-nonane 49.33
    undecane 30.02
    tert-butylcyclohexane 33.51
    cyclooctane 53.14
    cyclopentanol 323.65
    tetrahydropyran 459.69
    tert-amyl methyl ether 121.3
    2,5,8-trioxanonane 151.82
    1-hexene 170.36
    2-isopropoxyethanol 92.98
    2,2,2-trifluoroethanol 107.74
    methyl butyrate 103.78

    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