1,2-Epoxy-5,9-cyclododecadiene

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  • Identifiers

    CAS number
    943-93-1

    Molecular formula
    C12H18O

    SMILES
    C1/C=C/CCC2OC2CC/C=C/C1

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Musk 46.96%
    Animal 36.64%
    Dry 34.62%
    Floral 34.52%
    Sweet 34.06%
    Woody 33.96%
    Amber 32.71%
    Powdery 32.17%
    Fruity 31.91%
    Natural 30.57%

     

    Flavor
    Animal 34.31%
    Ammoniacal 31.46%
    Shrimp 23.45%
    Alkaline 23.33%
    Amine 22.12%
    Bitter 20.1%
    Cauliflower 19.41%
    Terpentine 19.05%
    Beet 18.73%
    Soil 18.59%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.2

    pKa est.
    6.96 (neutral)

    Molecular weight
    178.27 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    257°C

    Flash point

    • 110.91 ˚C est.

  • Synonyms

    • 1,2-Epoxy-5,9-cyclododecadiene
    • 943-93-1
    • NSC 77113
    • 13-Oxabicyclo(10.1.0)trideca-4,8-diene
    • 13-Oxabicyclo[10.1.0]trideca-4,8-diene
    • RefChem:72056
    • 213-407-5
    • OWUVDWLTQIPNLN-GGWOSOGESA-N
    • (4E,8E)-13-oxabicyclo[10.1.0]trideca-4,8-diene
    • CCRIS 3756
    • EINECS 213-407-5
    • 1,2-epoxycyclododeca-5,9-diene
    • NSC77113
    • NSC-77113
    • AKOS024332810
    • 1,2-EPOXY-5,6-TRANS-9,10-CIS-CYCLODODECADIENE
    • 943-93-1

  • Applications

    Chemical name: 1,2-Epoxy-5,9-cyclododecadiene; CAS 943-93-1. 1,2-Epoxy-5,9-cyclododecadiene is primarily used as a reactive intermediate in the synthesis of specialty epoxy resins and polymeric materials. It can function as a monomer or crosslinking agent in coatings, adhesives, and composite formulations, enabling network formation and improved thermal and chemical resistance. The epoxide group allows integration into epoxy resin systems as a reactive diluent or curing component, assisting viscosity control and cure behavior. The cyclododecadiene ring also makes it of interest as a precursor in fragrance chemistry for aroma-related intermediates. In electronics and automotive applications, it can be processed into encapsulation materials with strong adhesion and solvent resistance.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 87.51
    methanol 57.35
    isopropanol 73.35
    water 0.08
    ethyl acetate 166.05
    n-propanol 93.8
    acetone 154.16
    n-butanol 92.35
    acetonitrile 115.99
    DMF 166.5
    toluene 242.23
    isobutanol 80.93
    1,4-dioxane 303.99
    methyl acetate 149.52
    THF 488.49
    2-butanone 180.18
    n-pentanol 79.39
    sec-butanol 83.13
    n-hexane 62.78
    ethylene glycol 24.7
    NMP 254.63
    cyclohexane 157.4
    DMSO 214.21
    n-butyl acetate 172.22
    n-octanol 72.04
    chloroform 806.88
    n-propyl acetate 148.8
    acetic acid 118.05
    dichloromethane 791.67
    cyclohexanone 339.97
    propylene glycol 38.61
    isopropyl acetate 128.53
    DMAc 180.21
    2-ethoxyethanol 106.12
    isopentanol 92.07
    n-heptane 73.3
    ethyl formate 115.0
    1,2-dichloroethane 395.5
    n-hexanol 106.38
    2-methoxyethanol 116.46
    isobutyl acetate 121.99
    tetrachloromethane 147.0
    n-pentyl acetate 128.03
    transcutol 344.18
    n-heptanol 69.73
    ethylbenzene 129.97
    MIBK 112.6
    2-propoxyethanol 142.7
    tert-butanol 89.5
    MTBE 109.38
    2-butoxyethanol 113.8
    propionic acid 119.95
    o-xylene 142.58
    formic acid 23.34
    diethyl ether 150.62
    m-xylene 142.16
    p-xylene 156.27
    chlorobenzene 256.67
    dimethyl carbonate 73.57
    n-octane 31.71
    formamide 41.52
    cyclopentanone 400.4
    2-pentanone 155.79
    anisole 172.94
    cyclopentyl methyl ether 244.15
    gamma-butyrolactone 396.0
    1-methoxy-2-propanol 109.7
    pyridine 389.93
    3-pentanone 158.07
    furfural 303.19
    n-dodecane 26.76
    diethylene glycol 95.74
    diisopropyl ether 70.01
    tert-amyl alcohol 86.98
    acetylacetone 175.31
    n-hexadecane 30.14
    acetophenone 167.91
    methyl propionate 138.52
    isopentyl acetate 160.45
    trichloroethylene 655.79
    n-nonanol 72.81
    cyclohexanol 145.69
    benzyl alcohol 124.73
    2-ethylhexanol 91.89
    isooctanol 65.33
    dipropyl ether 160.79
    1,2-dichlorobenzene 237.6
    ethyl lactate 81.2
    propylene carbonate 241.58
    n-methylformamide 78.52
    2-pentanol 75.29
    n-pentane 59.72
    1-propoxy-2-propanol 124.72
    1-methoxy-2-propyl acetate 158.12
    2-(2-methoxypropoxy) propanol 119.18
    mesitylene 94.71
    ε-caprolactone 279.66
    p-cymene 95.08
    epichlorohydrin 399.32
    1,1,1-trichloroethane 323.18
    2-aminoethanol 45.3
    morpholine-4-carbaldehyde 242.3
    sulfolane 396.77
    2,2,4-trimethylpentane 29.79
    2-methyltetrahydrofuran 335.86
    n-hexyl acetate 158.06
    isooctane 26.84
    2-(2-butoxyethoxy)ethanol 145.85
    sec-butyl acetate 112.88
    tert-butyl acetate 126.9
    decalin 66.32
    glycerin 49.39
    diglyme 265.94
    acrylic acid 108.79
    isopropyl myristate 90.6
    n-butyric acid 155.57
    acetyl acetate 135.77
    di(2-ethylhexyl) phthalate 80.7
    ethyl propionate 134.37
    nitromethane 153.39
    1,2-diethoxyethane 184.14
    benzonitrile 195.2
    trioctyl phosphate 60.69
    1-bromopropane 271.58
    gamma-valerolactone 342.8
    n-decanol 59.34
    triethyl phosphate 100.34
    4-methyl-2-pentanol 58.51
    propionitrile 147.55
    vinylene carbonate 221.53
    1,1,2-trichlorotrifluoroethane 232.85
    DMS 140.04
    cumene 90.87
    2-octanol 53.95
    2-hexanone 141.84
    octyl acetate 97.95
    limonene 122.68
    1,2-dimethoxyethane 224.24
    ethyl orthosilicate 93.69
    tributyl phosphate 75.4
    diacetone alcohol 113.48
    N,N-dimethylaniline 123.73
    acrylonitrile 162.44
    aniline 157.43
    1,3-propanediol 63.42
    bromobenzene 323.62
    dibromomethane 555.91
    1,1,2,2-tetrachloroethane 501.65
    2-methyl-cyclohexyl acetate 149.25
    tetrabutyl urea 90.32
    diisobutyl methanol 75.3
    2-phenylethanol 120.94
    styrene 161.71
    dioctyl adipate 118.63
    dimethyl sulfate 109.03
    ethyl butyrate 168.55
    methyl lactate 73.58
    butyl lactate 95.48
    diethyl carbonate 132.07
    propanediol butyl ether 88.85
    triethyl orthoformate 132.97
    p-tert-butyltoluene 87.1
    methyl 4-tert-butylbenzoate 133.19
    morpholine 277.44
    tert-butylamine 77.83
    n-dodecanol 52.58
    dimethoxymethane 141.15
    ethylene carbonate 201.77
    cyrene 137.7
    2-ethoxyethyl acetate 144.15
    2-ethylhexyl acetate 144.29
    1,2,4-trichlorobenzene 256.49
    4-methylpyridine 282.36
    dibutyl ether 132.64
    2,6-dimethyl-4-heptanol 75.3
    DEF 159.62
    dimethyl isosorbide 223.9
    tetrachloroethylene 346.8
    eugenol 114.86
    triacetin 164.35
    span 80 116.04
    1,4-butanediol 40.52
    1,1-dichloroethane 333.89
    2-methyl-1-pentanol 81.66
    methyl formate 71.54
    2-methyl-1-butanol 87.52
    n-decane 39.03
    butyronitrile 148.24
    3,7-dimethyl-1-octanol 84.57
    1-chlorooctane 93.04
    1-chlorotetradecane 50.32
    n-nonane 39.23
    undecane 30.74
    tert-butylcyclohexane 48.85
    cyclooctane 66.58
    cyclopentanol 161.19
    tetrahydropyran 343.58
    tert-amyl methyl ether 96.7
    2,5,8-trioxanonane 199.24
    1-hexene 120.85
    2-isopropoxyethanol 91.99
    2,2,2-trifluoroethanol 53.83
    methyl butyrate 165.56

    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