2-Ethylhexylamine

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  • Identifiers

    CAS number
    104-75-6

    Molecular formula
    C8H19N

    SMILES
    CCCCC(CC)CN

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Acute Toxic
    Acute Toxic

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Cheesy 64.99%
    Fishy 62.38%
    Ripe 42.02%
    Fresh 32.0%
    Oily 30.05%
    Fatty 29.1%
    Citrus 28.25%
    Meaty 28.22%
    Animal 28.09%
    Musty 25.22%

     

    Flavor
    Fishy 25.74%
    Ammoniacal 25.73%
    Ammonia 22.82%
    Skunky 22.75%
    Alkane 22.74%
    Glue 22.21%
    Leathery 22.1%
    Delicate 22.08%
    Bloody 22.0%
    Violet-leaf 21.09%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.8

    pKa est.
    7.27 (neutral)

    Molecular weight
    129.24 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • less than -94 °F (USCG, 1999)

    Boiling point

    • 336.6 °F at 760 mmHg (NTP, 1992)

    Flash point

    • 55.64 ˚C est.
    • 140 °F (NTP, 1992)

    Solubility expt.

    • less than 1 mg/mL at 70 °F (NTP, 1992)

  • Synonyms

    • 2-ETHYLHEXYLAMINE
    • 104-75-6
    • 1-Hexanamine, 2-ethyl-
    • 2-Ethyl-1-hexylamine
    • 2-Ethyl hexylamine
    • 1-Amino-2-ethylhexane
    • 2-Ethylhexanamine
    • 2-ethylhexan-1-amine
    • Hexylamine, 2-ethyl-
    • 2-Ethyl-1-hexanamine
    • 3-(aminomethyl)heptane
    • beta-Ethylhexylamine
    • 1-Amino-2-ethylhexan
    • 2-ethylhexyl amine
    • .beta.-Ethylhexylamine
    • CCRIS 4646
    • 2-Ethyl-1-aminohexane
    • 1-Amino-2-ethylhexan [Czech]
    • EINECS 203-233-8
    • UNII-ER54Q9L9W3
    • Armeen L8D
    • UN2276
    • BRN 1209249
    • ER54Q9L9W3
    • DTXSID4025298
    • AI3-26287
    • DTXCID805298
    • EC 203-233-8
    • 4-04-00-00766 (Beilstein Handbook Reference)
    • UN 2276
    • J47.019H
    • 2-ethyl-hexylamine
    • 2Etilhexamina
    • ethyl hexylamine
    • 2Ethylhexanamine
    • Ethyl2hexylamine
    • 2ethyl hexylamine
    • 1Amino2ethylhexan
    • 2Ethyl1hexanamine
    • 2Ethyl1hexylamine
    • betaEthylhexylamine
    • 1Amino2ethylhexane
    • 2Ethyl1aminohexane
    • Hexylamine, 2ethyl
    • MFCD00008148
    • 1Hexanamine, 2ethyl
    • 2-ethyl n-hexylamine
    • 2-ethyl-n-hexylamine
    • mono-2-ethylhexylamine
    • SCHEMBL28690
    • 2Etilhexamina (Spanish DOT)
    • 2-Ethyl-1-hexylamine, 98%
    • Ethyl2hexylamine (French DOT)
    • CHEMBL1319257
    • STR09770
    • Tox21_200736
    • AKOS000119077
    • AKOS017278453
    • NCGC00090936-01
    • NCGC00090936-02
    • NCGC00090936-03
    • NCGC00258290-01
    • CAS-104-75-6
    • E0126
    • NS00005968
    • EN300-19012
    • 2-Ethyl-1-hexylamine, purum, >=98.0% (GC)
    • 2-Ethylhexylamine [UN2276] [Flammable liquid]
    • Q5651233
    • F2191-0272
    • 203-233-8

  • Applications

    2-Ethylhexylamine is a branched primary amine used mainly as an intermediate in the synthesis of surfactants and quaternary ammonium compounds, providing cationic surfactants for cleaners, coatings, and textile processing. It also serves as a raw material or modifier in polymer formulations, often functioning as a curing agent or functionalizing additive for polyurethane and epoxy systems. Additionally, the amine is a building block for specialty lubricants and lubricant additives that contribute to wear and corrosion protection. It can be used to produce corrosion inhibitors for metal protection in coatings and process streams. Depending on formulation needs, it may act as a solvent or processing aid in chemical manufacturing.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2429.38
    methanol 1450.77
    isopropanol 2477.42
    water 0.32
    ethyl acetate 1228.87
    n-propanol 2369.86
    acetone 1730.92
    n-butanol 2571.26
    acetonitrile 1452.2
    DMF 968.68
    toluene 368.94
    isobutanol 1780.69
    1,4-dioxane 1948.73
    methyl acetate 923.89
    THF 4823.11
    2-butanone 1285.21
    n-pentanol 1266.82
    sec-butanol 1728.76
    n-hexane 242.79
    ethylene glycol 150.8
    NMP 858.34
    cyclohexane 512.95
    DMSO 2091.87
    n-butyl acetate 2824.25
    n-octanol 462.26
    chloroform 3284.89
    n-propyl acetate 926.2
    acetic acid 1293.68
    dichloromethane 2797.93
    cyclohexanone 2210.97
    propylene glycol 359.12
    isopropyl acetate 683.23
    DMAc 428.52
    2-ethoxyethanol 879.99
    isopentanol 1790.11
    n-heptane 581.32
    ethyl formate 1134.49
    1,2-dichloroethane 1586.35
    n-hexanol 2576.45
    2-methoxyethanol 1722.12
    isobutyl acetate 500.41
    tetrachloromethane 727.94
    n-pentyl acetate 658.79
    transcutol 1486.92
    n-heptanol 791.6
    ethylbenzene 151.96
    MIBK 591.71
    2-propoxyethanol 1955.78
    tert-butanol 2656.92
    MTBE 1404.96
    2-butoxyethanol 909.43
    propionic acid 1079.93
    o-xylene 187.43
    formic acid 191.04
    diethyl ether 1419.07
    m-xylene 207.51
    p-xylene 207.24
    chlorobenzene 679.52
    dimethyl carbonate 129.99
    n-octane 108.53
    formamide 252.25
    cyclopentanone 2363.24
    2-pentanone 1229.84
    anisole 308.28
    cyclopentyl methyl ether 1450.32
    gamma-butyrolactone 2317.18
    1-methoxy-2-propanol 1306.3
    pyridine 1641.0
    3-pentanone 620.25
    furfural 1311.95
    n-dodecane 49.1
    diethylene glycol 706.2
    diisopropyl ether 385.37
    tert-amyl alcohol 1385.02
    acetylacetone 760.68
    n-hexadecane 56.29
    acetophenone 257.54
    methyl propionate 640.4
    isopentyl acetate 1691.86
    trichloroethylene 2144.38
    n-nonanol 363.21
    cyclohexanol 1523.57
    benzyl alcohol 299.05
    2-ethylhexanol 1511.9
    isooctanol 536.49
    dipropyl ether 1977.93
    1,2-dichlorobenzene 508.9
    ethyl lactate 224.96
    propylene carbonate 1279.05
    n-methylformamide 762.26
    2-pentanol 1289.0
    n-pentane 285.3
    1-propoxy-2-propanol 1986.0
    1-methoxy-2-propyl acetate 939.15
    2-(2-methoxypropoxy) propanol 290.83
    mesitylene 133.93
    ε-caprolactone 1584.98
    p-cymene 280.97
    epichlorohydrin 2093.68
    1,1,1-trichloroethane 1525.01
    2-aminoethanol 538.34
    morpholine-4-carbaldehyde 839.52
    sulfolane 1823.92
    2,2,4-trimethylpentane 109.82
    2-methyltetrahydrofuran 2985.25
    n-hexyl acetate 647.47
    isooctane 96.26
    2-(2-butoxyethoxy)ethanol 574.76
    sec-butyl acetate 442.95
    tert-butyl acetate 638.82
    decalin 111.02
    glycerin 339.52
    diglyme 1208.82
    acrylic acid 582.52
    isopropyl myristate 211.45
    n-butyric acid 2719.81
    acetyl acetate 511.7
    di(2-ethylhexyl) phthalate 166.13
    ethyl propionate 524.27
    nitromethane 1612.23
    1,2-diethoxyethane 1176.29
    benzonitrile 636.61
    trioctyl phosphate 180.17
    1-bromopropane 1508.39
    gamma-valerolactone 2219.05
    n-decanol 249.64
    triethyl phosphate 286.06
    4-methyl-2-pentanol 567.25
    propionitrile 1450.78
    vinylene carbonate 841.92
    1,1,2-trichlorotrifluoroethane 1003.32
    DMS 219.74
    cumene 104.87
    2-octanol 397.68
    2-hexanone 891.37
    octyl acetate 267.29
    limonene 629.91
    1,2-dimethoxyethane 1679.2
    ethyl orthosilicate 323.29
    tributyl phosphate 221.04
    diacetone alcohol 674.18
    N,N-dimethylaniline 157.55
    acrylonitrile 1136.69
    aniline 593.46
    1,3-propanediol 1134.33
    bromobenzene 655.41
    dibromomethane 2186.7
    1,1,2,2-tetrachloroethane 1547.36
    2-methyl-cyclohexyl acetate 567.65
    tetrabutyl urea 251.05
    diisobutyl methanol 616.71
    2-phenylethanol 529.58
    styrene 216.42
    dioctyl adipate 266.76
    dimethyl sulfate 196.08
    ethyl butyrate 1416.06
    methyl lactate 234.38
    butyl lactate 432.18
    diethyl carbonate 574.13
    propanediol butyl ether 488.64
    triethyl orthoformate 801.39
    p-tert-butyltoluene 271.69
    methyl 4-tert-butylbenzoate 255.7
    morpholine 2667.95
    tert-butylamine 1784.79
    n-dodecanol 188.93
    dimethoxymethane 715.19
    ethylene carbonate 920.9
    cyrene 247.5
    2-ethoxyethyl acetate 543.85
    2-ethylhexyl acetate 1235.58
    1,2,4-trichlorobenzene 518.2
    4-methylpyridine 1228.79
    dibutyl ether 825.27
    2,6-dimethyl-4-heptanol 616.71
    DEF 906.77
    dimethyl isosorbide 599.28
    tetrachloroethylene 1127.22
    eugenol 236.17
    triacetin 296.42
    span 80 431.32
    1,4-butanediol 305.0
    1,1-dichloroethane 1856.18
    2-methyl-1-pentanol 806.1
    methyl formate 511.28
    2-methyl-1-butanol 1472.66
    n-decane 98.16
    butyronitrile 2277.45
    3,7-dimethyl-1-octanol 461.21
    1-chlorooctane 323.69
    1-chlorotetradecane 102.94
    n-nonane 110.6
    undecane 65.79
    tert-butylcyclohexane 113.21
    cyclooctane 130.22
    cyclopentanol 1918.05
    tetrahydropyran 3264.48
    tert-amyl methyl ether 671.53
    2,5,8-trioxanonane 560.12
    1-hexene 718.01
    2-isopropoxyethanol 560.61
    2,2,2-trifluoroethanol 209.54
    methyl butyrate 919.23

    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