5-Undecenal, (5Z)-

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  • Identifiers

    CAS number
    68464-53-9

    Molecular formula
    C11H20O

    SMILES
    CCCCC/C=C\CCCC=O

    Safety labels

  • Odor profile

    Fragrance
    Citrus 78.68%
    Fatty 70.19%
    Waxy 65.99%
    Aldehydic 61.65%
    Green 59.0%
    Fruity 54.89%
    Orange 53.98%
    Fresh 52.66%
    Floral 52.35%
    Cucumber 44.98%

     

    Flavor
    Waxy 50.81%
    Citrus 48.37%
    Fatty 45.41%
    Aldehydic 39.17%
    Melon 38.29%
    Cucumber 37.05%
    Green 35.32%
    Fresh 35.01%
    Orange 31.12%
    Rose 29.58%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.4

    pKa est.
    7.3 (neutral)

    Molecular weight
    168.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    227°C

    Flash point

    • 104.0 ˚C est.

  • Synonyms

    • (Z)-5-Undecenal
    • cis-5-Undecenal
    • 5-Undecenal, (Z)-
    • 5-Undecenal, (5Z)-
    • 3FBW494K6W
    • UNII-3FBW494K6W
    • 68464-53-9
    • RefChem:198991
    • (5Z)-5-Undecenal
    • SCHEMBL10683772
    • Q27257152
    • 68464-53-9

  • Applications

    5-Undecenal, (5Z)-, CAS 68464-53-9, is used as an odorant in perfumery and as a flavor/aroma ingredient in food-processing applications; it also serves as an intermediate in organic synthesis for the preparation of other aroma compounds; in cosmetics and personal care formulations it may function as a fragrance ingredient; in household products it can be included as a fragrance additive; and in industrial manufacturing it is employed as a building block for the synthesis of specialty chemicals.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3082.62
    methanol 2611.57
    isopropanol 2859.05
    water 0.02
    ethyl acetate 3141.93
    n-propanol 2629.62
    acetone 3991.98
    n-butanol 2698.02
    acetonitrile 1758.69
    DMF 1596.29
    toluene 1092.03
    isobutanol 1777.9
    1,4-dioxane 2938.67
    methyl acetate 1650.88
    THF 5074.82
    2-butanone 3042.61
    n-pentanol 1936.9
    sec-butanol 2294.87
    n-hexane 1712.43
    ethylene glycol 159.04
    NMP 1160.71
    cyclohexane 1516.93
    DMSO 3299.87
    n-butyl acetate 2829.45
    n-octanol 570.74
    chloroform 3598.3
    n-propyl acetate 2264.0
    acetic acid 1018.18
    dichloromethane 4174.84
    cyclohexanone 3437.56
    propylene glycol 385.21
    isopropyl acetate 1795.22
    DMAc 934.1
    2-ethoxyethanol 1498.3
    isopentanol 2259.63
    n-heptane 663.75
    ethyl formate 944.04
    1,2-dichloroethane 3388.61
    n-hexanol 2110.21
    2-methoxyethanol 2317.79
    isobutyl acetate 1174.75
    tetrachloromethane 719.87
    n-pentyl acetate 1147.69
    transcutol 5499.24
    n-heptanol 601.73
    ethylbenzene 605.89
    MIBK 1547.38
    2-propoxyethanol 2148.5
    tert-butanol 2960.29
    MTBE 3186.01
    2-butoxyethanol 951.24
    propionic acid 1006.64
    o-xylene 491.77
    formic acid 138.03
    diethyl ether 5002.27
    m-xylene 651.43
    p-xylene 631.22
    chlorobenzene 1100.95
    dimethyl carbonate 255.01
    n-octane 166.93
    formamide 243.99
    cyclopentanone 2774.23
    2-pentanone 3233.22
    anisole 874.81
    cyclopentyl methyl ether 2999.4
    gamma-butyrolactone 2113.25
    1-methoxy-2-propanol 2070.68
    pyridine 2389.95
    3-pentanone 1735.38
    furfural 1309.78
    n-dodecane 71.25
    diethylene glycol 823.89
    diisopropyl ether 1228.85
    tert-amyl alcohol 2040.24
    acetylacetone 1770.33
    n-hexadecane 84.6
    acetophenone 728.61
    methyl propionate 1523.12
    isopentyl acetate 2116.29
    trichloroethylene 3963.88
    n-nonanol 495.64
    cyclohexanol 2067.5
    benzyl alcohol 701.48
    2-ethylhexanol 1342.67
    isooctanol 551.03
    dipropyl ether 2705.55
    1,2-dichlorobenzene 852.79
    ethyl lactate 438.37
    propylene carbonate 1079.4
    n-methylformamide 783.1
    2-pentanol 2126.94
    n-pentane 969.55
    1-propoxy-2-propanol 1995.88
    1-methoxy-2-propyl acetate 1535.56
    2-(2-methoxypropoxy) propanol 705.2
    mesitylene 434.13
    ε-caprolactone 2233.88
    p-cymene 361.39
    epichlorohydrin 3058.24
    1,1,1-trichloroethane 2638.89
    2-aminoethanol 571.79
    morpholine-4-carbaldehyde 1368.61
    sulfolane 2097.02
    2,2,4-trimethylpentane 227.2
    2-methyltetrahydrofuran 4675.06
    n-hexyl acetate 1292.62
    isooctane 225.3
    2-(2-butoxyethoxy)ethanol 1108.86
    sec-butyl acetate 1333.44
    tert-butyl acetate 1662.14
    decalin 387.4
    glycerin 357.3
    diglyme 2103.31
    acrylic acid 529.67
    isopropyl myristate 433.99
    n-butyric acid 2314.19
    acetyl acetate 930.54
    di(2-ethylhexyl) phthalate 274.51
    ethyl propionate 1543.55
    nitromethane 1469.61
    1,2-diethoxyethane 3050.66
    benzonitrile 982.77
    trioctyl phosphate 224.76
    1-bromopropane 3502.78
    gamma-valerolactone 2665.97
    n-decanol 346.83
    triethyl phosphate 407.75
    4-methyl-2-pentanol 937.89
    propionitrile 1874.22
    vinylene carbonate 821.82
    1,1,2-trichlorotrifluoroethane 1431.47
    DMS 589.76
    cumene 353.39
    2-octanol 444.96
    2-hexanone 2406.37
    octyl acetate 484.09
    limonene 770.02
    1,2-dimethoxyethane 2884.35
    ethyl orthosilicate 459.56
    tributyl phosphate 331.83
    diacetone alcohol 1328.22
    N,N-dimethylaniline 516.7
    acrylonitrile 1447.06
    aniline 1072.94
    1,3-propanediol 1007.59
    bromobenzene 1283.03
    dibromomethane 3611.46
    1,1,2,2-tetrachloroethane 3137.37
    2-methyl-cyclohexyl acetate 855.19
    tetrabutyl urea 396.9
    diisobutyl methanol 732.48
    2-phenylethanol 793.52
    styrene 825.42
    dioctyl adipate 542.5
    dimethyl sulfate 354.59
    ethyl butyrate 1735.96
    methyl lactate 385.97
    butyl lactate 619.57
    diethyl carbonate 742.4
    propanediol butyl ether 676.4
    triethyl orthoformate 920.94
    p-tert-butyltoluene 348.49
    methyl 4-tert-butylbenzoate 492.21
    morpholine 4176.33
    tert-butylamine 2317.65
    n-dodecanol 257.42
    dimethoxymethane 1676.68
    ethylene carbonate 803.74
    cyrene 464.96
    2-ethoxyethyl acetate 1186.57
    2-ethylhexyl acetate 1614.07
    1,2,4-trichlorobenzene 853.11
    4-methylpyridine 2268.11
    dibutyl ether 1860.54
    2,6-dimethyl-4-heptanol 732.48
    DEF 2205.06
    dimethyl isosorbide 1090.12
    tetrachloroethylene 2120.72
    eugenol 469.38
    triacetin 750.98
    span 80 696.3
    1,4-butanediol 363.23
    1,1-dichloroethane 3622.82
    2-methyl-1-pentanol 1490.97
    methyl formate 420.8
    2-methyl-1-butanol 1864.03
    n-decane 162.68
    butyronitrile 2623.56
    3,7-dimethyl-1-octanol 700.33
    1-chlorooctane 573.53
    1-chlorotetradecane 172.13
    n-nonane 197.91
    undecane 101.29
    tert-butylcyclohexane 358.31
    cyclooctane 402.29
    cyclopentanol 1664.29
    tetrahydropyran 5916.03
    tert-amyl methyl ether 1879.47
    2,5,8-trioxanonane 1173.02
    1-hexene 3655.32
    2-isopropoxyethanol 1169.28
    2,2,2-trifluoroethanol 158.83
    methyl butyrate 2097.29

    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