Hexadecanoic acid, ethenyl ester

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  • Identifiers

    CAS number
    693-38-9

    Molecular formula
    C18H34O2

    SMILES
    CCCCCCCCCCCCCCCC(=O)OC=C

    Safety labels

  • Odor profile

    Fragrance
    Fatty 76.92%
    Waxy 67.12%
    Oily 56.74%
    Fruity 40.78%
    Creamy 32.75%
    Dairy 31.38%
    Sweet 31.24%
    Buttery 28.67%
    Soapy 27.82%
    Milky 27.74%

     

    Flavor
    Waxy 59.63%
    Fatty 53.6%
    Oily 42.47%
    Soapy 36.79%
    Fat 35.27%
    Mild 34.67%
    Creamy 33.18%
    Coconut 32.87%
    Fruity 29.5%
    Faint 28.05%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    7.9

    pKa est.
    7.3 (neutral)

    Molecular weight
    282.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    336°C

    Flash point

    • 151.12 ˚C est.

  • Synonyms

    • 693-38-9
    • Hexadecanoic acid, ethenyl ester
    • EINECS 211-751-0
    • DTXSID3061005
    • RefChem:786019
    • DTXCID5046489
    • Vinyl palmitate
    • Palmitic acid vinyl ester
    • ethenyl hexadecanoate
    • Vinyl Palmitate (stabilized with MEHQ)
    • vinyl hexadecanoate
    • MFCD00059288
    • VinylPalmitate(stabilizedwithMEHQ)
    • vinylpalmitate
    • Vinyl palmitate #
    • Palmitic acid, vinyl ester
    • J44FD9L9CY
    • SCHEMBL191792
    • orb2939620
    • HY-W106427
    • BS-23883
    • SY055190
    • DB-255907
    • CS-0167848
    • NS00036832
    • P0848
    • Vinyl Palmitate, >/=96%,stabilized with MEHQ
    • 30398-71-1
    • 693-38-9

  • Applications

    Hexadecanoic acid, ethenyl ester (CAS 693-38-9), also known as vinyl palmitate, is primarily used as a monomer for vinyl ester polymers and copolymers, enabling hydrophobic, high-molecular-weight materials for coatings and specialty plastics. It is often used as an intermediate in organic synthesis to prepare long-chain fatty acid derivatives. In formulation work, it appears in coatings and inks where the vinyl functionality supports crosslinking and durability, and in adhesives and sealants as a reactive component contributing to performance in demanding environments. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 58.05
    methanol 44.88
    isopropanol 83.24
    water 0.0
    ethyl acetate 546.33
    n-propanol 82.77
    acetone 338.26
    n-butanol 108.82
    acetonitrile 97.92
    DMF 497.72
    toluene 251.67
    isobutanol 94.6
    1,4-dioxane 408.67
    methyl acetate 289.47
    THF 1351.72
    2-butanone 484.97
    n-pentanol 98.17
    sec-butanol 117.71
    n-hexane 73.28
    ethylene glycol 2.54
    NMP 1213.08
    cyclohexane 255.52
    DMSO 506.87
    n-butyl acetate 686.96
    n-octanol 102.54
    chloroform 1063.33
    n-propyl acetate 643.3
    acetic acid 85.91
    dichloromethane 1206.47
    cyclohexanone 1466.07
    propylene glycol 11.86
    isopropyl acetate 524.51
    DMAc 818.83
    2-ethoxyethanol 178.11
    isopentanol 157.95
    n-heptane 66.56
    ethyl formate 182.63
    1,2-dichloroethane 962.71
    n-hexanol 117.01
    2-methoxyethanol 174.54
    isobutyl acetate 431.78
    tetrachloromethane 209.9
    n-pentyl acetate 665.96
    transcutol 1080.3
    n-heptanol 88.14
    ethylbenzene 185.09
    MIBK 511.41
    2-propoxyethanol 248.4
    tert-butanol 174.03
    MTBE 420.37
    2-butoxyethanol 223.2
    propionic acid 111.55
    o-xylene 210.91
    formic acid 9.97
    diethyl ether 342.27
    m-xylene 203.56
    p-xylene 274.42
    chlorobenzene 444.5
    dimethyl carbonate 87.73
    n-octane 28.12
    formamide 25.34
    cyclopentanone 1421.56
    2-pentanone 569.51
    anisole 379.03
    cyclopentyl methyl ether 821.14
    gamma-butyrolactone 1136.09
    1-methoxy-2-propanol 231.29
    pyridine 615.9
    3-pentanone 446.92
    furfural 734.88
    n-dodecane 15.47
    diethylene glycol 70.14
    diisopropyl ether 194.83
    tert-amyl alcohol 213.94
    acetylacetone 695.45
    n-hexadecane 19.95
    acetophenone 460.68
    methyl propionate 344.37
    isopentyl acetate 657.95
    trichloroethylene 1549.74
    n-nonanol 108.97
    cyclohexanol 288.34
    benzyl alcohol 177.68
    2-ethylhexanol 158.88
    isooctanol 108.65
    dipropyl ether 438.97
    1,2-dichlorobenzene 534.43
    ethyl lactate 153.2
    propylene carbonate 613.21
    n-methylformamide 113.34
    2-pentanol 121.95
    n-pentane 38.88
    1-propoxy-2-propanol 309.11
    1-methoxy-2-propyl acetate 584.76
    2-(2-methoxypropoxy) propanol 273.49
    mesitylene 165.83
    ε-caprolactone 1115.37
    p-cymene 149.9
    epichlorohydrin 1241.51
    1,1,1-trichloroethane 1020.1
    2-aminoethanol 15.37
    morpholine-4-carbaldehyde 718.82
    sulfolane 1725.51
    2,2,4-trimethylpentane 40.29
    2-methyltetrahydrofuran 1064.54
    n-hexyl acetate 669.53
    isooctane 28.72
    2-(2-butoxyethoxy)ethanol 341.77
    sec-butyl acetate 521.49
    tert-butyl acetate 726.61
    decalin 104.78
    glycerin 19.66
    diglyme 811.46
    acrylic acid 67.82
    isopropyl myristate 226.97
    n-butyric acid 317.92
    acetyl acetate 300.82
    di(2-ethylhexyl) phthalate 146.79
    ethyl propionate 543.05
    nitromethane 271.23
    1,2-diethoxyethane 662.46
    benzonitrile 295.5
    trioctyl phosphate 110.83
    1-bromopropane 591.4
    gamma-valerolactone 1454.7
    n-decanol 73.49
    triethyl phosphate 266.31
    4-methyl-2-pentanol 106.02
    propionitrile 154.73
    vinylene carbonate 400.77
    1,1,2-trichlorotrifluoroethane 534.34
    DMS 338.33
    cumene 136.3
    2-octanol 96.83
    2-hexanone 557.59
    octyl acetate 257.2
    limonene 312.6
    1,2-dimethoxyethane 682.93
    ethyl orthosilicate 259.83
    tributyl phosphate 169.61
    diacetone alcohol 474.27
    N,N-dimethylaniline 264.63
    acrylonitrile 151.35
    aniline 194.04
    1,3-propanediol 42.33
    bromobenzene 574.88
    dibromomethane 810.7
    1,1,2,2-tetrachloroethane 1502.1
    2-methyl-cyclohexyl acetate 510.97
    tetrabutyl urea 266.28
    diisobutyl methanol 135.13
    2-phenylethanol 190.12
    styrene 229.58
    dioctyl adipate 356.79
    dimethyl sulfate 234.34
    ethyl butyrate 640.68
    methyl lactate 103.97
    butyl lactate 317.63
    diethyl carbonate 315.94
    propanediol butyl ether 163.46
    triethyl orthoformate 449.35
    p-tert-butyltoluene 140.75
    methyl 4-tert-butylbenzoate 410.94
    morpholine 598.8
    tert-butylamine 132.25
    n-dodecanol 54.21
    dimethoxymethane 304.95
    ethylene carbonate 376.03
    cyrene 291.24
    2-ethoxyethyl acetate 604.66
    2-ethylhexyl acetate 582.56
    1,2,4-trichlorobenzene 618.07
    4-methylpyridine 681.41
    dibutyl ether 472.26
    2,6-dimethyl-4-heptanol 135.13
    DEF 731.98
    dimethyl isosorbide 780.34
    tetrachloroethylene 803.5
    eugenol 286.99
    triacetin 550.55
    span 80 269.46
    1,4-butanediol 19.83
    1,1-dichloroethane 789.45
    2-methyl-1-pentanol 142.09
    methyl formate 84.55
    2-methyl-1-butanol 137.44
    n-decane 36.26
    butyronitrile 226.39
    3,7-dimethyl-1-octanol 147.96
    1-chlorooctane 195.22
    1-chlorotetradecane 62.43
    n-nonane 35.7
    undecane 22.02
    tert-butylcyclohexane 75.01
    cyclooctane 65.78
    cyclopentanol 265.0
    tetrahydropyran 838.27
    tert-amyl methyl ether 413.14
    2,5,8-trioxanonane 480.15
    1-hexene 194.81
    2-isopropoxyethanol 190.22
    2,2,2-trifluoroethanol 34.7
    methyl butyrate 772.79

    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