Undecylenic acid monoethanolamide

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  • Identifiers

    CAS number
    20545-92-0

    Molecular formula
    C13H25NO2

    SMILES
    C=CCCCCCCCCC(=O)NCCO

    Safety labels

  • Odor profile

    Fragrance
    Meaty 39.2%
    Savory 35.11%
    Citrus 34.2%
    Fatty 31.47%
    Fishy 29.04%
    Fresh 28.84%
    Herbal 27.47%
    Spicy 26.6%
    Odorless 25.89%
    Sweet 24.7%

     

    Flavor
    Fatty 31.32%
    Waxy 31.01%
    Odorless 28.55%
    Mild 28.19%
    Herbal 25.49%
    Oily 24.87%
    Bay oil 21.6%
    Slightly waxy 21.6%
    Bland 21.21%
    Cultured dairy 20.98%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.9

    pKa est.
    7.33 (neutral)

    Molecular weight
    227.34 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    353°C

    Flash point

    • 177.66 ˚C est.

  • Synonyms

    • 10-Undecenamide, N-(2-hydroxyethyl)-
    • N-(2-Hydroxyethyl)undec-10-enamide
    • Undecylenamide MEA
    • n-(2-hydroxyethyl)-10-undecenamide
    • Undecylenoyl monoethanolamide
    • Undecylenic acid monoethanolamide
    • MAYFUNG
    • METANID
    • FUNGICID UMA
    • STEINAZID U 185
    • STEINAZID U-185
    • undecylenic monoethanolamide
    • REWOCID U 185
    • REWOCID U-185
    • 9870N09I68
    • DTXSID4066624
    • UNDECYLENIC ACID MONOETHANOLAMIDE (MEA)
    • UNDECYLENIC ACID MONOETHANOLAMIDE [WHO-DD]
    • RefChem:901087
    • DTXCID0036340
    • UNDECYLENAMIDE MEA [INCI]
    • 20545-92-0
    • N-(2-Hydroxyethyl)undecenamide
    • N-(2-Hydroxyethyl)undecylenamide
    • UNII-9870N09I68
    • EINECS 243-870-9
    • 51000-85-2
    • SCHEMBL3967869
    • ISTASGAHDLTQRU-UHFFFAOYSA-N
    • Undecenamide, N-(2-hydroxyethyl)-
    • MFCD18967756
    • 10-Undecenamide,N-(2-hydroxyethyl)-
    • AKOS028110914
    • N-(2-hydroxyethyl )undec-10-enamide
    • AS-62522
    • DB-265686
    • NS00014194
    • A11015
    • Q27272090
    • 20545-92-0

  • Applications

    Undecylenic acid monoethanolamide, CAS number: 20545-92-0, is commonly used as a nonionic surfactant and emulsifier in cosmetics and personal care formulations, as well as in household cleaners. It also functions as a processing aid and dispersant in polymer and plastics systems, and serves as a wetting agent and flow modifier in coatings and inks. In adhesives formulations, it can improve wetting and compatibility, making it a versatile additive across multiple industrial segments.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 626.04
    methanol 1313.02
    isopropanol 386.19
    water 0.4
    ethyl acetate 173.11
    n-propanol 400.78
    acetone 381.53
    n-butanol 350.84
    acetonitrile 113.91
    DMF 595.36
    toluene 37.98
    isobutanol 256.06
    1,4-dioxane 254.67
    methyl acetate 115.28
    THF 610.33
    2-butanone 216.61
    n-pentanol 240.86
    sec-butanol 251.15
    n-hexane 10.79
    ethylene glycol 88.05
    NMP 374.87
    cyclohexane 18.83
    DMSO 1522.02
    n-butyl acetate 164.04
    n-octanol 55.62
    chloroform 203.41
    n-propyl acetate 176.33
    acetic acid 367.42
    dichloromethane 214.64
    cyclohexanone 376.1
    propylene glycol 176.21
    isopropyl acetate 137.6
    DMAc 451.17
    2-ethoxyethanol 394.19
    isopentanol 286.11
    n-heptane 6.75
    ethyl formate 144.4
    1,2-dichloroethane 197.94
    n-hexanol 164.19
    2-methoxyethanol 649.18
    isobutyl acetate 115.66
    tetrachloromethane 35.21
    n-pentyl acetate 106.76
    transcutol 911.51
    n-heptanol 64.39
    ethylbenzene 28.92
    MIBK 156.94
    2-propoxyethanol 305.63
    tert-butanol 378.5
    MTBE 176.52
    2-butoxyethanol 173.37
    propionic acid 201.19
    o-xylene 38.8
    formic acid 173.83
    diethyl ether 147.07
    m-xylene 39.51
    p-xylene 38.99
    chlorobenzene 67.67
    dimethyl carbonate 46.23
    n-octane 3.27
    formamide 200.03
    cyclopentanone 419.91
    2-pentanone 232.6
    anisole 81.47
    cyclopentyl methyl ether 215.36
    gamma-butyrolactone 390.75
    1-methoxy-2-propanol 438.91
    pyridine 183.21
    3-pentanone 117.04
    furfural 325.98
    n-dodecane 2.76
    diethylene glycol 241.93
    diisopropyl ether 38.97
    tert-amyl alcohol 248.25
    acetylacetone 240.54
    n-hexadecane 3.08
    acetophenone 105.56
    methyl propionate 119.7
    isopentyl acetate 153.05
    trichloroethylene 298.03
    n-nonanol 49.71
    cyclohexanol 230.97
    benzyl alcohol 107.87
    2-ethylhexanol 87.05
    isooctanol 57.93
    dipropyl ether 84.77
    1,2-dichlorobenzene 71.08
    ethyl lactate 92.25
    propylene carbonate 209.12
    n-methylformamide 269.14
    2-pentanol 174.42
    n-pentane 7.83
    1-propoxy-2-propanol 214.44
    1-methoxy-2-propyl acetate 157.77
    2-(2-methoxypropoxy) propanol 142.0
    mesitylene 29.47
    ε-caprolactone 285.27
    p-cymene 25.48
    epichlorohydrin 387.9
    1,1,1-trichloroethane 113.26
    2-aminoethanol 254.26
    morpholine-4-carbaldehyde 341.54
    sulfolane 575.07
    2,2,4-trimethylpentane 8.18
    2-methyltetrahydrofuran 335.45
    n-hexyl acetate 122.48
    isooctane 6.07
    2-(2-butoxyethoxy)ethanol 226.88
    sec-butyl acetate 107.92
    tert-butyl acetate 155.69
    decalin 10.69
    glycerin 222.29
    diglyme 416.35
    acrylic acid 145.48
    isopropyl myristate 39.14
    n-butyric acid 376.75
    acetyl acetate 99.28
    di(2-ethylhexyl) phthalate 52.41
    ethyl propionate 113.65
    nitromethane 405.32
    1,2-diethoxyethane 200.99
    benzonitrile 105.83
    trioctyl phosphate 38.46
    1-bromopropane 98.9
    gamma-valerolactone 508.77
    n-decanol 33.91
    triethyl phosphate 56.32
    4-methyl-2-pentanol 97.23
    propionitrile 118.21
    vinylene carbonate 154.1
    1,1,2-trichlorotrifluoroethane 338.5
    DMS 76.93
    cumene 25.9
    2-octanol 40.79
    2-hexanone 176.98
    octyl acetate 51.34
    limonene 42.67
    1,2-dimethoxyethane 473.43
    ethyl orthosilicate 59.77
    tributyl phosphate 49.73
    diacetone alcohol 224.54
    N,N-dimethylaniline 65.03
    acrylonitrile 128.8
    aniline 89.64
    1,3-propanediol 395.21
    bromobenzene 59.41
    dibromomethane 136.39
    1,1,2,2-tetrachloroethane 276.76
    2-methyl-cyclohexyl acetate 96.36
    tetrabutyl urea 67.8
    diisobutyl methanol 50.67
    2-phenylethanol 91.02
    styrene 36.73
    dioctyl adipate 75.93
    dimethyl sulfate 109.1
    ethyl butyrate 116.8
    methyl lactate 110.83
    butyl lactate 117.71
    diethyl carbonate 68.79
    propanediol butyl ether 179.22
    triethyl orthoformate 85.8
    p-tert-butyltoluene 25.26
    methyl 4-tert-butylbenzoate 99.53
    morpholine 439.11
    tert-butylamine 171.43
    n-dodecanol 24.99
    dimethoxymethane 264.86
    ethylene carbonate 146.46
    cyrene 144.87
    2-ethoxyethyl acetate 147.68
    2-ethylhexyl acetate 104.12
    1,2,4-trichlorobenzene 85.2
    4-methylpyridine 160.08
    dibutyl ether 71.83
    2,6-dimethyl-4-heptanol 50.67
    DEF 249.75
    dimethyl isosorbide 218.85
    tetrachloroethylene 196.68
    eugenol 107.62
    triacetin 130.8
    span 80 129.37
    1,4-butanediol 150.51
    1,1-dichloroethane 129.01
    2-methyl-1-pentanol 181.56
    methyl formate 139.64
    2-methyl-1-butanol 227.09
    n-decane 4.91
    butyronitrile 171.74
    3,7-dimethyl-1-octanol 61.89
    1-chlorooctane 27.48
    1-chlorotetradecane 9.75
    n-nonane 4.47
    undecane 3.43
    tert-butylcyclohexane 9.7
    cyclooctane 5.3
    cyclopentanol 261.59
    tetrahydropyran 324.48
    tert-amyl methyl ether 115.41
    2,5,8-trioxanonane 262.32
    1-hexene 57.16
    2-isopropoxyethanol 238.85
    2,2,2-trifluoroethanol 91.97
    methyl butyrate 200.16

    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