Octadec-2-enal

  • Identifiers

    Molecular formula
    C18H34O

    SMILES
    CCCCCCCCCCCCCCCC=CC=O

  • Odor profile

    Fragrance
    Fatty 78.38%
    Waxy 65.99%
    Citrus 52.79%
    Oily 42.89%
    Fruity 41.69%
    Meaty 38.11%
    Aldehydic 37.47%
    Orange 35.41%
    Fruit skin 33.91%
    Fresh 31.12%

     

    Flavor
    Waxy 62.36%
    Citrus 38.51%
    Fatty 38.12%
    Sweet 34.98%
    Fat 34.7%
    Fresh 34.28%
    Aldehydic 32.95%
    Soapy 32.89%
    Wax 32.2%
    Floral 30.53%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    8.0

    pKa est.
    7.06 (neutral)

    Molecular weight
    266.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    358°C

    Flash point

    • 163.64 ˚C est.

  • Synonyms

    • OCTADEC-2-ENAL
    • E2-18ALD
    • DTXSID10965858
    • AKOS030254648
    • DB-261367
    • NS00005102
  • Applications

    Octadec-2-enal is a long-chain aldehyde (C18) with a double bond at position 2, used mainly in the fragrance industry as a fragrance ingredient and fixative in perfumery; it is evaluated as a fragrance component and may be considered for flavoring applications in food processing at exploratory levels; in cosmetics and personal care, it typically serves as a fragrance ingredient; in industrial manufacturing, it acts as an intermediate for the synthesis of fragrant esters and other specialty aroma-related compounds; in coatings and inks, it may be used as a fragrance additive or as a precursor for aromatic compounds; use is subject to local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 51.26
    methanol 27.99
    isopropanol 80.1
    water 0.0
    ethyl acetate 371.82
    n-propanol 77.1
    acetone 221.69
    n-butanol 114.81
    acetonitrile 59.69
    DMF 242.13
    toluene 163.24
    isobutanol 85.27
    1,4-dioxane 328.6
    methyl acetate 175.76
    THF 1057.62
    2-butanone 288.84
    n-pentanol 88.47
    sec-butanol 99.74
    n-hexane 103.13
    ethylene glycol 2.28
    NMP 522.5
    cyclohexane 361.78
    DMSO 336.83
    n-butyl acetate 566.46
    n-octanol 89.99
    chloroform 742.57
    n-propyl acetate 443.85
    acetic acid 51.33
    dichloromethane 786.38
    cyclohexanone 845.44
    propylene glycol 10.36
    isopropyl acetate 386.21
    DMAc 339.84
    2-ethoxyethanol 136.79
    isopentanol 158.38
    n-heptane 145.45
    ethyl formate 118.16
    1,2-dichloroethane 701.84
    n-hexanol 128.88
    2-methoxyethanol 132.84
    isobutyl acetate 321.08
    tetrachloromethane 225.88
    n-pentyl acetate 491.94
    transcutol 880.55
    n-heptanol 89.3
    ethylbenzene 138.99
    MIBK 372.1
    2-propoxyethanol 216.91
    tert-butanol 175.48
    MTBE 333.86
    2-butoxyethanol 191.66
    propionic acid 73.31
    o-xylene 152.66
    formic acid 5.58
    diethyl ether 322.35
    m-xylene 145.72
    p-xylene 191.01
    chlorobenzene 268.81
    dimethyl carbonate 57.88
    n-octane 45.37
    formamide 13.69
    cyclopentanone 823.53
    2-pentanone 395.55
    anisole 251.34
    cyclopentyl methyl ether 642.72
    gamma-butyrolactone 642.4
    1-methoxy-2-propanol 179.3
    pyridine 373.86
    3-pentanone 296.11
    furfural 403.43
    n-dodecane 20.64
    diethylene glycol 56.02
    diisopropyl ether 201.16
    tert-amyl alcohol 175.59
    acetylacetone 424.44
    n-hexadecane 25.99
    acetophenone 287.27
    methyl propionate 227.59
    isopentyl acetate 530.19
    trichloroethylene 988.25
    n-nonanol 98.36
    cyclohexanol 250.11
    benzyl alcohol 119.16
    2-ethylhexanol 176.17
    isooctanol 114.76
    dipropyl ether 554.46
    1,2-dichlorobenzene 343.19
    ethyl lactate 117.99
    propylene carbonate 369.0
    n-methylformamide 55.79
    2-pentanol 122.28
    n-pentane 64.49
    1-propoxy-2-propanol 301.05
    1-methoxy-2-propyl acetate 428.46
    2-(2-methoxypropoxy) propanol 204.97
    mesitylene 137.42
    ε-caprolactone 651.41
    p-cymene 151.02
    epichlorohydrin 806.64
    1,1,1-trichloroethane 779.19
    2-aminoethanol 12.94
    morpholine-4-carbaldehyde 391.45
    sulfolane 1032.33
    2,2,4-trimethylpentane 51.39
    2-methyltetrahydrofuran 795.66
    n-hexyl acetate 439.34
    isooctane 41.23
    2-(2-butoxyethoxy)ethanol 268.54
    sec-butyl acetate 381.96
    tert-butyl acetate 528.38
    decalin 113.16
    glycerin 16.7
    diglyme 648.74
    acrylic acid 41.5
    isopropyl myristate 191.74
    n-butyric acid 233.55
    acetyl acetate 206.28
    di(2-ethylhexyl) phthalate 105.59
    ethyl propionate 377.23
    nitromethane 143.02
    1,2-diethoxyethane 612.6
    benzonitrile 183.46
    trioctyl phosphate 88.97
    1-bromopropane 488.46
    gamma-valerolactone 794.78
    n-decanol 69.87
    triethyl phosphate 230.65
    4-methyl-2-pentanol 107.66
    propionitrile 107.83
    vinylene carbonate 224.76
    1,1,2-trichlorotrifluoroethane 360.38
    DMS 202.94
    cumene 114.07
    2-octanol 90.37
    2-hexanone 377.39
    octyl acetate 192.03
    limonene 298.52
    1,2-dimethoxyethane 471.29
    ethyl orthosilicate 246.3
    tributyl phosphate 129.64
    diacetone alcohol 347.3
    N,N-dimethylaniline 191.18
    acrylonitrile 87.76
    aniline 133.91
    1,3-propanediol 38.41
    bromobenzene 349.1
    dibromomethane 582.28
    1,1,2,2-tetrachloroethane 1057.86
    2-methyl-cyclohexyl acetate 415.67
    tetrabutyl urea 186.69
    diisobutyl methanol 175.95
    2-phenylethanol 145.88
    styrene 160.61
    dioctyl adipate 259.09
    dimethyl sulfate 134.55
    ethyl butyrate 569.72
    methyl lactate 69.16
    butyl lactate 231.73
    diethyl carbonate 268.73
    propanediol butyl ether 126.82
    triethyl orthoformate 426.37
    p-tert-butyltoluene 143.84
    methyl 4-tert-butylbenzoate 296.71
    morpholine 480.5
    tert-butylamine 150.17
    n-dodecanol 53.61
    dimethoxymethane 215.33
    ethylene carbonate 227.02
    cyrene 211.66
    2-ethoxyethyl acetate 420.45
    2-ethylhexyl acetate 477.24
    1,2,4-trichlorobenzene 378.89
    4-methylpyridine 370.84
    dibutyl ether 443.84
    2,6-dimethyl-4-heptanol 175.95
    DEF 414.19
    dimethyl isosorbide 554.99
    tetrachloroethylene 588.01
    eugenol 198.2
    triacetin 373.73
    span 80 195.26
    1,4-butanediol 15.74
    1,1-dichloroethane 575.26
    2-methyl-1-pentanol 118.93
    methyl formate 43.2
    2-methyl-1-butanol 126.64
    n-decane 48.74
    butyronitrile 173.86
    3,7-dimethyl-1-octanol 149.47
    1-chlorooctane 190.87
    1-chlorotetradecane 61.5
    n-nonane 51.47
    undecane 29.72
    tert-butylcyclohexane 86.11
    cyclooctane 110.76
    cyclopentanol 214.57
    tetrahydropyran 727.82
    tert-amyl methyl ether 314.0
    2,5,8-trioxanonane 381.55
    1-hexene 196.0
    2-isopropoxyethanol 150.31
    2,2,2-trifluoroethanol 21.72
    methyl butyrate 497.68

    Scent© AI

1 of 4
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