1,2-Epoxyhexadecane

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  • Identifiers

    CAS number
    7320-37-8

    Molecular formula
    C16H32O

    SMILES
    CCCCCCCCCCCCCCC1CO1

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Waxy 70.64%
    Fatty 58.35%
    Oily 42.77%
    Meaty 24.53%
    Odorless 23.29%
    Savory 20.98%
    Sweet 20.53%
    Fishy 20.04%
    Creamy 19.76%
    Clean 19.51%

     

    Flavor
    Waxy 52.16%
    Alkane 35.54%
    Fatty 34.73%
    Mild 29.86%
    Bland 26.47%
    Fat 24.27%
    Slightly waxy 24.07%
    Oily 23.24%
    Delicate 22.07%
    Citrus peel 21.69%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    7.3

    pKa est.
    6.06 (neutral)

    Molecular weight
    240.42 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 77 to 81 °F (NTP, 1992)

    Boiling point

    • 518 to 527 °F at 760 mmHg (NTP, 1992)

    Flash point

    • 127.63 ˚C est.

    Solubility expt.

    • Reaction (NTP, 1992)

  • Synonyms

    • 1,2-EPOXYHEXADECANE
    • 7320-37-8
    • 2-Tetradecyloxirane
    • Oxirane, tetradecyl-
    • Tetradecyloxirane
    • Hexadecene epoxide
    • Hexadecylene oxide
    • Hexadecane, 1,2-epoxy-
    • 1,2-Hexadecane oxide
    • 1,2-Hexadecene epoxide
    • Oxirane, 2-tetradecyl-
    • NCI-C55538
    • CCRIS 2618
    • 1,2-Hexadecylene Oxide
    • HSDB 4187
    • EINECS 230-786-2
    • 1-hexadecene oxide
    • BRN 0110428
    • DTXSID9025245
    • UNII-B11674G91K
    • AI3-32877
    • DTXCID105245
    • CHEBI:34054
    • EC 230-786-2
    • 5-17-01-00169 (Beilstein Handbook Reference)
    • 1,2-EPOXYHEXADECANE [HSDB]
    • B11674G91K
    • epoxyhexadecane
    • tetradecyl oxirane
    • Oxirane, tetradecyl
    • MFCD00005151
    • 1,2-epoxyhexadecene
    • 1,2Hexadecane oxide
    • Oxirane, 2tetradecyl
    • 1,2Hexadecene epoxide
    • Hexadecane, 1,2epoxy
    • VIKOLOX 16
    • CYRACURE UVR 6216
    • SCHEMBL284098
    • CHEMBL1606644
    • HAA32037
    • Tox21_201042
    • AKOS015855788
    • NCGC00091269-01
    • NCGC00091269-02
    • NCGC00091269-03
    • NCGC00258595-01
    • BP-26279
    • CAS-7320-37-8
    • 1,2-Epoxyhexadecane, technical grade, 85%
    • CS-0204370
    • E0316
    • NS00005204
    • D90480
    • EN300-7420318
    • Q26840887
    • Z2301683706
    • 230-786-2

  • Applications

    1,2-Epoxyhexadecane (CAS 7320-37-8) is used primarily as a reactive intermediate in polymer and resin chemistry, where its long aliphatic chain and epoxide functionality enable incorporation into epoxy resins and crosslinked coatings, often serving as a reactive diluent or polymerizable monomer. It is employed in coatings and adhesive formulations to adjust viscosity and participate in curing. Ring-opening of the epoxide furnishes diols that can serve as building blocks for polyurethanes, polyether polyols, or other specialty polymers. It also serves as a precursor for the synthesis of surface-active additives or surfactant precursors, and for lubricants or lubricant additives where the fatty chain contributes to performance. In some cases, it is used in research and development as a chain extender for advanced materials, subject to formulation constraints and regulatory considerations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 220.26
    methanol 89.92
    isopropanol 293.22
    water 0.0
    ethyl acetate 1159.62
    n-propanol 290.08
    acetone 658.25
    n-butanol 376.72
    acetonitrile 241.83
    DMF 317.81
    toluene 500.3
    isobutanol 279.62
    1,4-dioxane 1271.02
    methyl acetate 553.95
    THF 2694.07
    2-butanone 817.1
    n-pentanol 278.85
    sec-butanol 350.86
    n-hexane 334.92
    ethylene glycol 11.29
    NMP 611.24
    cyclohexane 1118.53
    DMSO 544.33
    n-butyl acetate 1405.24
    n-octanol 187.12
    chloroform 2611.01
    n-propyl acetate 1125.57
    acetic acid 197.39
    dichloromethane 2530.13
    cyclohexanone 1901.92
    propylene glycol 41.3
    isopropyl acetate 1066.84
    DMAc 464.45
    2-ethoxyethanol 390.02
    isopentanol 448.36
    n-heptane 442.96
    ethyl formate 309.91
    1,2-dichloroethane 1797.66
    n-hexanol 380.64
    2-methoxyethanol 378.12
    isobutyl acetate 787.41
    tetrachloromethane 587.52
    n-pentyl acetate 851.75
    transcutol 1774.83
    n-heptanol 202.14
    ethylbenzene 348.37
    MIBK 811.51
    2-propoxyethanol 559.17
    tert-butanol 513.48
    MTBE 1053.58
    2-butoxyethanol 422.33
    propionic acid 237.57
    o-xylene 358.44
    formic acid 18.15
    diethyl ether 1191.0
    m-xylene 357.37
    p-xylene 450.99
    chlorobenzene 742.87
    dimethyl carbonate 133.23
    n-octane 111.23
    formamide 43.25
    cyclopentanone 1590.84
    2-pentanone 1039.13
    anisole 613.44
    cyclopentyl methyl ether 1461.79
    gamma-butyrolactone 1233.9
    1-methoxy-2-propanol 477.67
    pyridine 1158.25
    3-pentanone 792.2
    furfural 791.61
    n-dodecane 44.59
    diethylene glycol 164.92
    diisopropyl ether 583.11
    tert-amyl alcohol 475.98
    acetylacetone 1012.38
    n-hexadecane 56.1
    acetophenone 581.09
    methyl propionate 567.55
    isopentyl acetate 1240.07
    trichloroethylene 2524.33
    n-nonanol 199.85
    cyclohexanol 693.86
    benzyl alcohol 289.46
    2-ethylhexanol 431.89
    isooctanol 237.94
    dipropyl ether 1566.79
    1,2-dichlorobenzene 734.65
    ethyl lactate 247.38
    propylene carbonate 764.95
    n-methylformamide 118.88
    2-pentanol 402.52
    n-pentane 238.97
    1-propoxy-2-propanol 712.49
    1-methoxy-2-propyl acetate 1005.08
    2-(2-methoxypropoxy) propanol 354.65
    mesitylene 291.3
    ε-caprolactone 1411.73
    p-cymene 333.6
    epichlorohydrin 1838.39
    1,1,1-trichloroethane 1956.77
    2-aminoethanol 53.19
    morpholine-4-carbaldehyde 647.37
    sulfolane 1380.31
    2,2,4-trimethylpentane 121.11
    2-methyltetrahydrofuran 2017.85
    n-hexyl acetate 758.93
    isooctane 110.62
    2-(2-butoxyethoxy)ethanol 508.54
    sec-butyl acetate 942.61
    tert-butyl acetate 1156.81
    decalin 259.1
    glycerin 55.09
    diglyme 1320.16
    acrylic acid 124.03
    isopropyl myristate 343.37
    n-butyric acid 643.0
    acetyl acetate 639.94
    di(2-ethylhexyl) phthalate 175.76
    ethyl propionate 942.72
    nitromethane 406.03
    1,2-diethoxyethane 1415.66
    benzonitrile 438.07
    trioctyl phosphate 150.94
    1-bromopropane 1528.37
    gamma-valerolactone 1582.18
    n-decanol 137.89
    triethyl phosphate 451.55
    4-methyl-2-pentanol 292.14
    propionitrile 368.4
    vinylene carbonate 489.91
    1,1,2-trichlorotrifluoroethane 805.67
    DMS 404.56
    cumene 254.66
    2-octanol 178.03
    2-hexanone 889.33
    octyl acetate 340.61
    limonene 605.01
    1,2-dimethoxyethane 1223.92
    ethyl orthosilicate 465.4
    tributyl phosphate 218.63
    diacetone alcohol 676.74
    N,N-dimethylaniline 382.01
    acrylonitrile 280.72
    aniline 359.35
    1,3-propanediol 143.42
    bromobenzene 956.39
    dibromomethane 1843.06
    1,1,2,2-tetrachloroethane 2378.48
    2-methyl-cyclohexyl acetate 791.42
    tetrabutyl urea 282.11
    diisobutyl methanol 388.93
    2-phenylethanol 339.81
    styrene 418.81
    dioctyl adipate 444.23
    dimethyl sulfate 231.1
    ethyl butyrate 1356.68
    methyl lactate 147.66
    butyl lactate 392.13
    diethyl carbonate 698.27
    propanediol butyl ether 237.39
    triethyl orthoformate 953.89
    p-tert-butyltoluene 309.63
    methyl 4-tert-butylbenzoate 451.81
    morpholine 1533.28
    tert-butylamine 448.1
    n-dodecanol 104.74
    dimethoxymethane 442.92
    ethylene carbonate 550.4
    cyrene 327.39
    2-ethoxyethyl acetate 860.64
    2-ethylhexyl acetate 1052.15
    1,2,4-trichlorobenzene 817.31
    4-methylpyridine 906.34
    dibutyl ether 877.07
    2,6-dimethyl-4-heptanol 388.93
    DEF 905.33
    dimethyl isosorbide 819.84
    tetrachloroethylene 1398.97
    eugenol 311.2
    triacetin 642.49
    span 80 340.47
    1,4-butanediol 56.12
    1,1-dichloroethane 1689.48
    2-methyl-1-pentanol 326.68
    methyl formate 93.0
    2-methyl-1-butanol 366.33
    n-decane 107.07
    butyronitrile 549.5
    3,7-dimethyl-1-octanol 308.4
    1-chlorooctane 351.06
    1-chlorotetradecane 118.83
    n-nonane 115.7
    undecane 63.66
    tert-butylcyclohexane 195.03
    cyclooctane 298.09
    cyclopentanol 559.18
    tetrahydropyran 2400.28
    tert-amyl methyl ether 788.18
    2,5,8-trioxanonane 679.47
    1-hexene 654.32
    2-isopropoxyethanol 401.21
    2,2,2-trifluoroethanol 70.65
    methyl butyrate 1160.12

    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