9-Octadecenal

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    5090-41-5

    Molecular formula
    C18H34O

    SMILES
    CCCCCCCC/C=C/CCCCCCCC=O

    Retention indicies (RI)

    • DB5: 1993.0

  • Odor profile

    Fatty 71.69%
    Waxy 62.93%
    Citrus 44.27%
    Oily 41.52%
    Meaty 37.97%
    Fruity 34.01%
    Fresh 29.53%
    Aldehydic 28.65%
    Sweet 28.24%
    Fruit skin 28.04%

    Scent© AI

  • Properties

    XLogP3-AA
    7.2

    Molecular weight
    266.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point

    • 352.00 to 367.00 °C. @ 760.00 mm Hg

    Flash point est.
    163.04 ˚C

    Solubility expt.

    • Soluble in hexane and diethyl ether; insoluble in water
    • Soluble (in ethanol)

  • Synonyms

    • 9-OCTADECENAL
    • (E)-Octadec-9-enal
    • 5090-41-5
    • Octadecenyl aldehyde
    • octadec-9-enal
    • E-9-Octadecenal
    • 9-Octadecenal, (9E)-
    • 9-Octadecenal, (E)-
    • FEMA No. 4059, E-
    • CHEMBL190707
    • 10009-79-7
    • 971UC454BB
    • 979G27P46D
    • (9E)-9-Octadecenal
    • DTXSID9074305
    • UNII-971UC454BB
    • UNII-979G27P46D
    • ELIALDEHYDE
    • starbld0001287
    • (9E)-9-Octadecenal #
    • 9-OCTADECENAL [FHFI]
    • SCHEMBL260834
    • DTXCID3040932
    • FEMA NO. 4059
    • CHEBI:173892
    • ZENZJGDPWWLORF-MDZDMXLPSA-N
    • BDBM50170061
    • LMFA06000099
    • Q27271997

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 207.56
    methanol 114.36
    isopropanol 272.81
    water 0.0
    ethyl acetate 799.81
    n-propanol 252.85
    acetone 571.44
    n-butanol 354.79
    acetonitrile 146.85
    DMF 390.29
    toluene 275.54
    isobutanol 244.76
    1,4-dioxane 707.79
    methyl acetate 344.13
    THF 1793.89
    2-butanone 637.82
    n-pentanol 254.88
    sec-butanol 300.99
    n-hexane 235.18
    ethylene glycol 6.18
    NMP 611.38
    cyclohexane 691.13
    DMSO 697.29
    n-butyl acetate 1054.29
    n-octanol 174.51
    chloroform 1143.17
    n-propyl acetate 866.11
    acetic acid 114.6
    dichloromethane 1224.94
    cyclohexanone 1419.35
    propylene glycol 26.02
    isopropyl acetate 735.33
    DMAc 506.57
    2-ethoxyethanol 338.71
    isopentanol 424.82
    n-heptane 260.56
    ethyl formate 234.41
    1,2-dichloroethane 1131.2
    n-hexanol 322.43
    2-methoxyethanol 341.39
    isobutyl acetate 563.92
    tetrachloromethane 317.91
    n-pentyl acetate 797.94
    transcutol 1932.36
    n-heptanol 180.46
    ethylbenzene 229.61
    MIBK 716.52
    2-propoxyethanol 481.14
    tert-butanol 469.72
    MTBE 820.62
    2-butoxyethanol 375.15
    propionic acid 151.11
    o-xylene 231.66
    formic acid 12.84
    diethyl ether 948.41
    m-xylene 236.61
    p-xylene 293.49
    chlorobenzene 403.31
    dimethyl carbonate 90.6
    n-octane 72.28
    formamide 29.4
    cyclopentanone 1163.62
    2-pentanone 887.52
    anisole 394.64
    cyclopentyl methyl ether 1110.29
    gamma-butyrolactone 901.56
    1-methoxy-2-propanol 428.04
    pyridine 625.66
    3-pentanone 573.0
    furfural 566.83
    n-dodecane 30.64
    diethylene glycol 124.66
    diisopropyl ether 411.76
    tert-amyl alcohol 429.44
    acetylacetone 756.27
    n-hexadecane 38.28
    acetophenone 421.35
    methyl propionate 434.03
    isopentyl acetate 926.52
    trichloroethylene 1441.44
    n-nonanol 178.84
    cyclohexanol 540.02
    benzyl alcohol 209.59
    2-ethylhexanol 366.23
    isooctanol 215.55
    dipropyl ether 1115.22
    1,2-dichlorobenzene 462.62
    ethyl lactate 195.64
    propylene carbonate 535.01
    n-methylformamide 110.72
    2-pentanol 334.54
    n-pentane 153.14
    1-propoxy-2-propanol 614.02
    1-methoxy-2-propyl acetate 732.2
    2-(2-methoxypropoxy) propanol 341.51
    mesitylene 204.93
    ε-caprolactone 1072.33
    p-cymene 214.72
    epichlorohydrin 1254.68
    1,1,1-trichloroethane 1100.9
    2-aminoethanol 35.72
    morpholine-4-carbaldehyde 599.78
    sulfolane 1233.66
    2,2,4-trimethylpentane 87.72
    2-methyltetrahydrofuran 1439.59
    n-hexyl acetate 732.06
    isooctane 72.82
    2-(2-butoxyethoxy)ethanol 491.96
    sec-butyl acetate 704.77
    tert-butyl acetate 918.83
    decalin 179.64
    glycerin 38.59
    diglyme 1122.05
    acrylic acid 74.02
    isopropyl myristate 285.01
    n-butyric acid 525.74
    acetyl acetate 368.78
    di(2-ethylhexyl) phthalate 158.92
    ethyl propionate 698.94
    nitromethane 279.82
    1,2-diethoxyethane 1269.21
    benzonitrile 306.63
    trioctyl phosphate 136.09
    1-bromopropane 937.11
    gamma-valerolactone 1246.27
    n-decanol 124.25
    triethyl phosphate 319.22
    4-methyl-2-pentanol 253.59
    propionitrile 243.78
    vinylene carbonate 332.07
    1,1,2-trichlorotrifluoroethane 548.15
    DMS 299.09
    cumene 177.7
    2-octanol 165.3
    2-hexanone 755.13
    octyl acetate 293.27
    limonene 445.44
    1,2-dimethoxyethane 1003.79
    ethyl orthosilicate 352.05
    tributyl phosphate 195.43
    diacetone alcohol 639.02
    N,N-dimethylaniline 286.83
    acrylonitrile 181.03
    aniline 228.75
    1,3-propanediol 109.12
    bromobenzene 503.31
    dibromomethane 950.07
    1,1,2,2-tetrachloroethane 1475.48
    2-methyl-cyclohexyl acetate 606.19
    tetrabutyl urea 271.81
    diisobutyl methanol 313.72
    2-phenylethanol 252.95
    styrene 269.99
    dioctyl adipate 378.44
    dimethyl sulfate 179.32
    ethyl butyrate 947.51
    methyl lactate 115.47
    butyl lactate 373.5
    diethyl carbonate 428.29
    propanediol butyl ether 239.77
    triethyl orthoformate 658.61
    p-tert-butyltoluene 198.9
    methyl 4-tert-butylbenzoate 399.46
    morpholine 1091.08
    tert-butylamine 371.67
    n-dodecanol 94.28
    dimethoxymethane 445.05
    ethylene carbonate 358.34
    cyrene 287.67
    2-ethoxyethyl acetate 727.42
    2-ethylhexyl acetate 791.42
    1,2,4-trichlorobenzene 491.94
    4-methylpyridine 635.89
    dibutyl ether 835.64
    2,6-dimethyl-4-heptanol 313.72
    DEF 762.7
    dimethyl isosorbide 764.67
    tetrachloroethylene 865.43
    eugenol 285.63
    triacetin 550.44
    span 80 325.88
    1,4-butanediol 40.22
    1,1-dichloroethane 961.58
    2-methyl-1-pentanol 301.92
    methyl formate 75.49
    2-methyl-1-butanol 330.72
    n-decane 76.04
    butyronitrile 423.6
    3,7-dimethyl-1-octanol 268.4
    1-chlorooctane 290.06
    1-chlorotetradecane 86.38
    n-nonane 82.49
    undecane 44.69
    tert-butylcyclohexane 136.47
    cyclooctane 184.16
    cyclopentanol 405.9
    tetrahydropyran 1662.7
    tert-amyl methyl ether 641.01
    2,5,8-trioxanonane 631.52
    1-hexene 486.97
    2-isopropoxyethanol 340.18
    2,2,2-trifluoroethanol 37.26
    methyl butyrate 914.26

    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
Strawberry leaf 1 90131-36-5 Fragaria x ananassa Duch., cultivar Bounty, fam. Rosaceae 4.33%
Strawberry leaf 2 90131-36-5 Fragaria x ananassa Duch., cultivar Honeoye, fam. Rosaceae 0.01%
Strawberry leaf 3 90131-36-5 Fragaria x ananassa Duch., cultivar Kent, fam. Rosaceae 0.01%
Parsley leaf (Germany), 1b (smooth leaf) 8000-68-8 Petroselinum crispum (Miller) A.W. Hill (P. sativum Hoffm.), fam. Apiaceae 0.85%
Parsley leaf (Germany), 1a (curly leaf) 8000-68-8 Petroselinum crispum (Miller) A.W. Hill (P. sativum Hoffm.), fam. Apiaceae 0.2%