Octadecadienal

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    28982-40-3

    Molecular formula
    C18H32O

    SMILES
    CCCCCCCCCCCCCC=CC=CC=O

  • Odor profile

    Fatty 83.83%
    Waxy 56.54%
    Oily 51.86%
    Citrus 49.12%
    Fruity 44.84%
    Aldehydic 34.75%
    Meaty 32.93%
    Orange 32.61%
    Green 30.21%
    Herbal 27.56%

    Scent© AI

  • Properties

    XLogP3-AA
    7.6

    pKa est.
    7.22 (neutral)

    Molecular weight
    264.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    354°C

    Flash point est.
    170.96 ˚C

  • Synonyms

    • Octadecadienal
    • OCTADECA-2,4-DIENAL
    • 28982-40-3
    • DTXSID30705591
    • NXRVLIATOKLQBL-UHFFFAOYSA-N

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 108.38
    methanol 58.16
    isopropanol 140.94
    water 0.0
    ethyl acetate 482.61
    n-propanol 137.09
    acetone 359.89
    n-butanol 186.08
    acetonitrile 87.41
    DMF 295.55
    toluene 195.38
    isobutanol 133.69
    1,4-dioxane 430.92
    methyl acetate 226.62
    THF 1263.44
    2-butanone 417.29
    n-pentanol 143.59
    sec-butanol 158.54
    n-hexane 124.57
    ethylene glycol 3.68
    NMP 498.68
    cyclohexane 380.89
    DMSO 481.44
    n-butyl acetate 662.08
    n-octanol 97.22
    chloroform 823.41
    n-propyl acetate 546.25
    acetic acid 68.8
    dichloromethane 918.18
    cyclohexanone 952.18
    propylene glycol 16.31
    isopropyl acetate 462.16
    DMAc 396.58
    2-ethoxyethanol 202.56
    isopentanol 227.71
    n-heptane 142.29
    ethyl formate 145.55
    1,2-dichloroethane 865.34
    n-hexanol 185.04
    2-methoxyethanol 202.24
    isobutyl acetate 373.33
    tetrachloromethane 227.4
    n-pentyl acetate 497.44
    transcutol 1221.93
    n-heptanol 104.11
    ethylbenzene 154.65
    MIBK 458.91
    2-propoxyethanol 300.7
    tert-butanol 256.01
    MTBE 472.37
    2-butoxyethanol 229.17
    propionic acid 94.04
    o-xylene 165.16
    formic acid 7.66
    diethyl ether 518.1
    m-xylene 166.93
    p-xylene 199.28
    chlorobenzene 295.2
    dimethyl carbonate 66.6
    n-octane 42.38
    formamide 18.75
    cyclopentanone 893.34
    2-pentanone 550.65
    anisole 285.82
    cyclopentyl methyl ether 754.57
    gamma-butyrolactone 677.43
    1-methoxy-2-propanol 257.56
    pyridine 447.9
    3-pentanone 373.7
    furfural 413.13
    n-dodecane 19.23
    diethylene glycol 78.65
    diisopropyl ether 242.88
    tert-amyl alcohol 244.44
    acetylacetone 523.23
    n-hexadecane 23.99
    acetophenone 309.23
    methyl propionate 290.05
    isopentyl acetate 603.66
    trichloroethylene 1144.63
    n-nonanol 104.7
    cyclohexanol 309.01
    benzyl alcohol 144.83
    2-ethylhexanol 217.21
    isooctanol 126.89
    dipropyl ether 662.39
    1,2-dichlorobenzene 351.31
    ethyl lactate 131.07
    propylene carbonate 380.91
    n-methylformamide 75.44
    2-pentanol 176.64
    n-pentane 81.47
    1-propoxy-2-propanol 382.75
    1-methoxy-2-propyl acetate 502.6
    2-(2-methoxypropoxy) propanol 232.11
    mesitylene 143.92
    ε-caprolactone 707.59
    p-cymene 147.89
    epichlorohydrin 961.8
    1,1,1-trichloroethane 831.12
    2-aminoethanol 21.45
    morpholine-4-carbaldehyde 437.6
    sulfolane 1010.04
    2,2,4-trimethylpentane 53.88
    2-methyltetrahydrofuran 969.45
    n-hexyl acetate 456.0
    isooctane 43.83
    2-(2-butoxyethoxy)ethanol 319.19
    sec-butyl acetate 440.06
    tert-butyl acetate 600.28
    decalin 110.54
    glycerin 23.31
    diglyme 742.61
    acrylic acid 49.78
    isopropyl myristate 189.06
    n-butyric acid 304.32
    acetyl acetate 238.34
    di(2-ethylhexyl) phthalate 107.8
    ethyl propionate 438.5
    nitromethane 185.18
    1,2-diethoxyethane 798.82
    benzonitrile 209.5
    trioctyl phosphate 89.28
    1-bromopropane 624.58
    gamma-valerolactone 882.73
    n-decanol 75.72
    triethyl phosphate 222.93
    4-methyl-2-pentanol 141.11
    propionitrile 147.71
    vinylene carbonate 231.43
    1,1,2-trichlorotrifluoroethane 405.95
    DMS 214.9
    cumene 121.23
    2-octanol 96.27
    2-hexanone 484.87
    octyl acetate 191.84
    limonene 293.46
    1,2-dimethoxyethane 623.85
    ethyl orthosilicate 242.57
    tributyl phosphate 130.08
    diacetone alcohol 420.88
    N,N-dimethylaniline 208.2
    acrylonitrile 117.78
    aniline 158.14
    1,3-propanediol 60.11
    bromobenzene 377.04
    dibromomethane 678.93
    1,1,2,2-tetrachloroethane 1149.06
    2-methyl-cyclohexyl acetate 427.25
    tetrabutyl urea 185.42
    diisobutyl methanol 193.1
    2-phenylethanol 172.43
    styrene 187.41
    dioctyl adipate 256.21
    dimethyl sulfate 141.94
    ethyl butyrate 616.6
    methyl lactate 79.89
    butyl lactate 237.19
    diethyl carbonate 282.25
    propanediol butyl ether 148.82
    triethyl orthoformate 431.29
    p-tert-butyltoluene 139.33
    methyl 4-tert-butylbenzoate 288.54
    morpholine 668.52
    tert-butylamine 206.77
    n-dodecanol 57.74
    dimethoxymethane 300.36
    ethylene carbonate 238.31
    cyrene 217.46
    2-ethoxyethyl acetate 481.73
    2-ethylhexyl acetate 515.2
    1,2,4-trichlorobenzene 387.36
    4-methylpyridine 444.39
    dibutyl ether 489.03
    2,6-dimethyl-4-heptanol 193.1
    DEF 508.45
    dimethyl isosorbide 577.76
    tetrachloroethylene 646.88
    eugenol 205.39
    triacetin 374.67
    span 80 213.8
    1,4-butanediol 23.38
    1,1-dichloroethane 693.58
    2-methyl-1-pentanol 171.98
    methyl formate 53.21
    2-methyl-1-butanol 183.28
    n-decane 45.36
    butyronitrile 237.67
    3,7-dimethyl-1-octanol 164.92
    1-chlorooctane 183.84
    1-chlorotetradecane 57.03
    n-nonane 48.21
    undecane 27.56
    tert-butylcyclohexane 85.12
    cyclooctane 105.73
    cyclopentanol 247.15
    tetrahydropyran 971.01
    tert-amyl methyl ether 395.91
    2,5,8-trioxanonane 432.7
    1-hexene 273.95
    2-isopropoxyethanol 208.69
    2,2,2-trifluoroethanol 23.68
    methyl butyrate 580.19

    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

Botanical

Name CAS Botanical Proportion
Michelia alba flower absolute (China) Michelia alba DC., fam. Magnoliaceae 2.34%