1,5-Undecadiene

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  • Identifiers

    CAS number
    106051-44-9

    Molecular formula
    C11H20

    SMILES
    CCCCCC=CCCC=C

    Safety labels

  • Odor profile

    Fragrance
    Citrus 52.38%
    Gassy 51.3%
    Herbal 47.44%
    Green 36.17%
    Waxy 30.48%
    Fresh 29.01%
    Oily 28.84%
    Fatty 27.88%
    Fishy 24.97%
    Sweet 23.41%

     

    Flavor
    Oriental 18.35%
    Low 18.15%
    Diterpene 18.01%
    Pumpkin 17.77%
    Delicate 17.72%
    Honeydew 17.44%
    Skunky 17.43%
    Terpentine 17.21%
    Bloody 17.12%
    Glue 17.1%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.7

    pKa est.
    8.05 (weak base)

    Molecular weight
    152.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    187°C

    Flash point

    • 67.74 ˚C est.

  • Synonyms

    • 106051-44-9
    • 1,5-Undecadiene
    • SCHEMBL3207598
    • SCHEMBL5695935
    • SCHEMBL7295054
    • SCHEMBL22553069
    • 106051-44-9

  • Applications

    1,5-Undecadiene is used primarily as a reactive di-functional monomer in polymer synthesis, acting as a crosslinking agent or co-monomer to build high-molecular-weight networks in specialty polymers and elastomers. In coatings and inks, it can serve as a reactive diluent or crosslinkable component that participates in free-radical curing, helping control viscosity and cure performance. It is employed as a chemical intermediate to prepare higher-value polymers and oligomers for specialty plastics and advanced materials. In adhesives formulations, it provides additional crosslinking capabilities to enhance joint strength and durability. Additionally, it may be evaluated for use in other resin systems or electronics encapsulation applications, subject to formulation limits and regulatory considerations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2750.41
    methanol 1298.61
    isopropanol 3089.84
    water 0.01
    ethyl acetate 5692.36
    n-propanol 2839.26
    acetone 4494.0
    n-butanol 4026.49
    acetonitrile 1729.04
    DMF 1565.62
    toluene 3375.46
    isobutanol 2298.17
    1,4-dioxane 6641.64
    methyl acetate 2528.44
    THF 13018.53
    2-butanone 4499.65
    n-pentanol 2737.62
    sec-butanol 3540.5
    n-hexane 8197.62
    ethylene glycol 104.07
    NMP 1205.79
    cyclohexane 9492.18
    DMSO 3209.18
    n-butyl acetate 11409.53
    n-octanol 1480.94
    chloroform 5467.79
    n-propyl acetate 3853.97
    acetic acid 768.48
    dichloromethane 5996.31
    cyclohexanone 5270.62
    propylene glycol 290.3
    isopropyl acetate 3941.37
    DMAc 1251.34
    2-ethoxyethanol 1724.16
    isopentanol 3754.98
    n-heptane 9227.65
    ethyl formate 1239.43
    1,2-dichloroethane 5424.82
    n-hexanol 6574.34
    2-methoxyethanol 2262.27
    isobutyl acetate 2269.91
    tetrachloromethane 1397.97
    n-pentyl acetate 2785.61
    transcutol 7789.71
    n-heptanol 1580.67
    ethylbenzene 1690.14
    MIBK 3504.17
    2-propoxyethanol 4338.33
    tert-butanol 4928.77
    MTBE 9561.29
    2-butoxyethanol 1614.98
    propionic acid 889.85
    o-xylene 1399.25
    formic acid 61.77
    diethyl ether 14464.0
    m-xylene 1916.74
    p-xylene 1611.71
    chlorobenzene 2012.87
    dimethyl carbonate 409.47
    n-octane 1635.07
    formamide 112.72
    cyclopentanone 4007.76
    2-pentanone 5690.99
    anisole 1833.77
    cyclopentyl methyl ether 7340.17
    gamma-butyrolactone 2439.02
    1-methoxy-2-propanol 2491.04
    pyridine 4441.59
    3-pentanone 3437.93
    furfural 1394.08
    n-dodecane 513.54
    diethylene glycol 980.54
    diisopropyl ether 4850.52
    tert-amyl alcohol 4096.52
    acetylacetone 3015.37
    n-hexadecane 608.96
    acetophenone 1052.82
    methyl propionate 2367.71
    isopentyl acetate 7269.73
    trichloroethylene 5403.74
    n-nonanol 1352.76
    cyclohexanol 3700.58
    benzyl alcohol 852.64
    2-ethylhexanol 5924.81
    isooctanol 1384.39
    dipropyl ether 17287.81
    1,2-dichlorobenzene 1354.4
    ethyl lactate 529.09
    propylene carbonate 1452.45
    n-methylformamide 525.42
    2-pentanol 4258.95
    n-pentane 5931.45
    1-propoxy-2-propanol 5414.63
    1-methoxy-2-propyl acetate 4087.24
    2-(2-methoxypropoxy) propanol 1135.27
    mesitylene 1299.55
    ε-caprolactone 3695.72
    p-cymene 1705.26
    epichlorohydrin 4719.15
    1,1,1-trichloroethane 5029.53
    2-aminoethanol 352.01
    morpholine-4-carbaldehyde 1713.52
    sulfolane 2472.91
    2,2,4-trimethylpentane 1278.62
    2-methyltetrahydrofuran 11589.38
    n-hexyl acetate 3211.2
    isooctane 1320.23
    2-(2-butoxyethoxy)ethanol 1912.41
    sec-butyl acetate 2709.23
    tert-butyl acetate 4041.22
    decalin 1792.86
    glycerin 265.99
    diglyme 4123.23
    acrylic acid 392.48
    isopropyl myristate 1216.23
    n-butyric acid 2890.91
    acetyl acetate 1737.87
    di(2-ethylhexyl) phthalate 499.16
    ethyl propionate 2923.36
    nitromethane 1166.13
    1,2-diethoxyethane 9733.91
    benzonitrile 1271.29
    trioctyl phosphate 498.05
    1-bromopropane 9225.86
    gamma-valerolactone 3197.03
    n-decanol 994.92
    triethyl phosphate 1023.52
    4-methyl-2-pentanol 2166.92
    propionitrile 2259.77
    vinylene carbonate 897.14
    1,1,2-trichlorotrifluoroethane 1434.35
    DMS 959.37
    cumene 938.42
    2-octanol 1176.03
    2-hexanone 4521.26
    octyl acetate 1292.16
    limonene 4071.63
    1,2-dimethoxyethane 5475.05
    ethyl orthosilicate 1349.36
    tributyl phosphate 717.59
    diacetone alcohol 2324.25
    N,N-dimethylaniline 1062.29
    acrylonitrile 1367.14
    aniline 1718.93
    1,3-propanediol 882.57
    bromobenzene 2641.36
    dibromomethane 6167.09
    1,1,2,2-tetrachloroethane 4724.22
    2-methyl-cyclohexyl acetate 2333.62
    tetrabutyl urea 887.99
    diisobutyl methanol 3092.35
    2-phenylethanol 1636.15
    styrene 2055.15
    dioctyl adipate 1150.04
    dimethyl sulfate 444.07
    ethyl butyrate 6819.32
    methyl lactate 421.35
    butyl lactate 997.29
    diethyl carbonate 2329.4
    propanediol butyl ether 787.55
    triethyl orthoformate 3562.23
    p-tert-butyltoluene 1647.83
    methyl 4-tert-butylbenzoate 791.47
    morpholine 7708.71
    tert-butylamine 4995.94
    n-dodecanol 798.77
    dimethoxymethane 2873.75
    ethylene carbonate 1062.19
    cyrene 547.58
    2-ethoxyethyl acetate 2451.96
    2-ethylhexyl acetate 6306.5
    1,2,4-trichlorobenzene 1336.32
    4-methylpyridine 4102.76
    dibutyl ether 8536.22
    2,6-dimethyl-4-heptanol 3092.35
    DEF 3520.91
    dimethyl isosorbide 1989.41
    tetrachloroethylene 2997.42
    eugenol 622.44
    triacetin 1186.98
    span 80 1213.32
    1,4-butanediol 283.52
    1,1-dichloroethane 5779.09
    2-methyl-1-pentanol 2610.19
    methyl formate 361.25
    2-methyl-1-butanol 2990.38
    n-decane 1228.9
    butyronitrile 4109.68
    3,7-dimethyl-1-octanol 2167.51
    1-chlorooctane 2404.08
    1-chlorotetradecane 739.89
    n-nonane 1657.3
    undecane 738.15
    tert-butylcyclohexane 1541.98
    cyclooctane 3257.78
    cyclopentanol 2427.33
    tetrahydropyran 15698.78
    tert-amyl methyl ether 5809.55
    2,5,8-trioxanonane 1997.16
    1-hexene 12439.23
    2-isopropoxyethanol 1558.74
    2,2,2-trifluoroethanol 97.85
    methyl butyrate 3781.66

    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