Octyl methacrylate

Overview IFRA Request a quote

  • Identifiers

    CAS number
    2157-01-9

    Molecular formula
    C12H22O2

    SMILES
    CCCCCCCCOC(=O)C(=C)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Floral 73.83%
    Fruity 73.61%
    Herbal 61.05%
    Green 59.79%
    Waxy 49.62%
    Fresh 49.01%
    Sweet 48.09%
    Rose 44.99%
    Oily 43.69%
    Jasmin 43.51%

     

    Flavor
    Fruity 62.89%
    Herbal 45.34%
    Green 39.89%
    Floral 38.06%
    Waxy 32.11%
    Oily 31.81%
    Tropical 27.33%
    Spicy 26.84%
    Mushroom 26.08%
    Woody 25.5%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    5.0

    pKa est.
    7.92 (neutral)

    Molecular weight
    198.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    247°C

    Flash point

    • 95.66 ˚C est.
    • 195 °F (NTP, 1992)

    Solubility expt.

    • less than 0.1 mg/mL at 64 °F (NTP, 1992)

  • Synonyms

    • Octyl methacrylate
    • N-OCTYL METHACRYLATE
    • 2-Propenoic acid, 2-methyl-, octyl ester
    • CCRIS 4850
    • EINECS 218-465-5
    • AI3-08767
    • DTXSID6025806
    • RefChem:167887
    • DTXCID505806
    • ENT 8767
    • 2-METHYL-2-PROPENOIC ACID, OCTYL ESTER
    • 2-METHYL-2-PROPENOIC ACID, N-OCTYL ESTER
    • 218-465-5
    • NZIDBRBFGPQCRY-UHFFFAOYSA-N
    • 2157-01-9
    • octyl 2-methylprop-2-enoate
    • Octyl 2-methyl-2-propenoate
    • MFCD00053813
    • Methacrylic acid, octyl ester
    • Octyl 2-methylacrylate #
    • D8HK4MM7QV
    • N-Octyl methacrylate,99+%
    • SCHEMBL15200
    • SCHEMBL33382
    • Octyl-2-methyl-2-propenoate
    • SCHEMBL865908
    • SCHEMBL2720245
    • SCHEMBL20917075
    • SCHEMBL27971664
    • NS00049902
    • G71455
    • 2157-01-9

  • Applications

    Octyl methacrylate (CAS 2157-01-9) is an alkyl methacrylate monomer bearing an octyl group, used mainly to form soft, flexible, and optically clear polymers upon polymerization. In practice, it often serves as a monomer or reactive diluent in coatings and inks, particularly UV-curable systems, to increase flexibility, control viscosity, and improve film formation. It is also used in adhesives as a monomer component to optimize bonding performance and the flexibility of the adhesive layer. In cosmetics and personal care, polymer networks derived from octyl methacrylate may be employed to create soft, durable, and water-resistant surface films. These applications depend on local regulations and formulation constraints.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 7400.82
    methanol 8002.86
    isopropanol 6061.62
    water 0.1
    ethyl acetate 11180.25
    n-propanol 6104.95
    acetone 10995.93
    n-butanol 5839.08
    acetonitrile 7874.43
    DMF 5846.79
    toluene 2885.33
    isobutanol 4568.51
    1,4-dioxane 6207.85
    methyl acetate 6302.91
    THF 8254.72
    2-butanone 9805.96
    n-pentanol 4264.9
    sec-butanol 6302.46
    n-hexane 1697.2
    ethylene glycol 227.95
    NMP 3699.19
    cyclohexane 1690.85
    DMSO 5087.12
    n-butyl acetate 8953.23
    n-octanol 1757.17
    chloroform 8906.08
    n-propyl acetate 7437.87
    acetic acid 3259.53
    dichloromethane 9777.4
    cyclohexanone 10421.17
    propylene glycol 568.27
    isopropyl acetate 6628.09
    DMAc 4478.53
    2-ethoxyethanol 3867.87
    isopentanol 5603.49
    n-heptane 569.23
    ethyl formate 4165.11
    1,2-dichloroethane 7454.21
    n-hexanol 4105.93
    2-methoxyethanol 5167.6
    isobutyl acetate 3756.27
    tetrachloromethane 1534.77
    n-pentyl acetate 4450.84
    transcutol 12028.81
    n-heptanol 1661.99
    ethylbenzene 1888.51
    MIBK 4231.97
    2-propoxyethanol 4944.95
    tert-butanol 6671.67
    MTBE 10512.58
    2-butoxyethanol 2562.95
    propionic acid 3002.97
    o-xylene 1697.27
    formic acid 530.97
    diethyl ether 10259.16
    m-xylene 1882.28
    p-xylene 2309.2
    chlorobenzene 3443.99
    dimethyl carbonate 998.07
    n-octane 258.25
    formamide 1091.43
    cyclopentanone 7336.74
    2-pentanone 8950.29
    anisole 2861.2
    cyclopentyl methyl ether 5800.44
    gamma-butyrolactone 6341.27
    1-methoxy-2-propanol 4073.2
    pyridine 6620.05
    3-pentanone 5072.97
    furfural 4235.38
    n-dodecane 137.08
    diethylene glycol 1625.23
    diisopropyl ether 2828.03
    tert-amyl alcohol 6857.59
    acetylacetone 5801.74
    n-hexadecane 166.54
    acetophenone 2621.47
    methyl propionate 5178.81
    isopentyl acetate 6767.72
    trichloroethylene 11279.44
    n-nonanol 1356.0
    cyclohexanol 4632.78
    benzyl alcohol 1878.72
    2-ethylhexanol 2920.77
    isooctanol 1527.6
    dipropyl ether 3823.44
    1,2-dichlorobenzene 2784.35
    ethyl lactate 1174.94
    propylene carbonate 3520.67
    n-methylformamide 3105.6
    2-pentanol 4972.04
    n-pentane 1003.54
    1-propoxy-2-propanol 4229.14
    1-methoxy-2-propyl acetate 4412.58
    2-(2-methoxypropoxy) propanol 1785.93
    mesitylene 1126.31
    ε-caprolactone 7708.65
    p-cymene 971.27
    epichlorohydrin 8078.4
    1,1,1-trichloroethane 7065.12
    2-aminoethanol 1051.75
    morpholine-4-carbaldehyde 3996.32
    sulfolane 4516.42
    2,2,4-trimethylpentane 472.67
    2-methyltetrahydrofuran 9164.19
    n-hexyl acetate 4678.68
    isooctane 391.63
    2-(2-butoxyethoxy)ethanol 2799.1
    sec-butyl acetate 4945.36
    tert-butyl acetate 5397.29
    decalin 669.23
    glycerin 528.65
    diglyme 5326.85
    acrylic acid 1606.49
    isopropyl myristate 1198.84
    n-butyric acid 6811.97
    acetyl acetate 3605.45
    di(2-ethylhexyl) phthalate 815.29
    ethyl propionate 5332.54
    nitromethane 6444.51
    1,2-diethoxyethane 7072.93
    benzonitrile 3429.8
    trioctyl phosphate 643.38
    1-bromopropane 6301.8
    gamma-valerolactone 7619.39
    n-decanol 872.92
    triethyl phosphate 1042.73
    4-methyl-2-pentanol 2428.66
    propionitrile 6136.28
    vinylene carbonate 2763.85
    1,1,2-trichlorotrifluoroethane 3440.79
    DMS 2102.78
    cumene 1085.26
    2-octanol 1510.79
    2-hexanone 6573.17
    octyl acetate 1498.88
    limonene 1742.83
    1,2-dimethoxyethane 7529.38
    ethyl orthosilicate 1119.07
    tributyl phosphate 971.73
    diacetone alcohol 3690.36
    N,N-dimethylaniline 1656.15
    acrylonitrile 5323.93
    aniline 2489.22
    1,3-propanediol 2118.04
    bromobenzene 3946.65
    dibromomethane 7262.02
    1,1,2,2-tetrachloroethane 8579.67
    2-methyl-cyclohexyl acetate 2303.87
    tetrabutyl urea 1158.54
    diisobutyl methanol 1429.13
    2-phenylethanol 2023.23
    styrene 2426.51
    dioctyl adipate 1425.24
    dimethyl sulfate 1205.23
    ethyl butyrate 4584.56
    methyl lactate 1049.74
    butyl lactate 2107.85
    diethyl carbonate 2234.74
    propanediol butyl ether 1903.61
    triethyl orthoformate 2195.26
    p-tert-butyltoluene 896.05
    methyl 4-tert-butylbenzoate 1608.56
    morpholine 8551.24
    tert-butylamine 4518.72
    n-dodecanol 605.04
    dimethoxymethane 4276.14
    ethylene carbonate 2775.99
    cyrene 1241.59
    2-ethoxyethyl acetate 4041.33
    2-ethylhexyl acetate 5187.35
    1,2,4-trichlorobenzene 2827.86
    4-methylpyridine 7544.31
    dibutyl ether 3831.04
    2,6-dimethyl-4-heptanol 1429.13
    DEF 7699.58
    dimethyl isosorbide 2773.97
    tetrachloroethylene 5366.31
    eugenol 1526.84
    triacetin 2180.78
    span 80 1674.31
    1,4-butanediol 916.28
    1,1-dichloroethane 9086.84
    2-methyl-1-pentanol 4231.36
    methyl formate 1940.19
    2-methyl-1-butanol 5011.41
    n-decane 303.95
    butyronitrile 8105.27
    3,7-dimethyl-1-octanol 1871.64
    1-chlorooctane 1473.93
    1-chlorotetradecane 402.27
    n-nonane 342.68
    undecane 193.1
    tert-butylcyclohexane 639.86
    cyclooctane 465.69
    cyclopentanol 3506.69
    tetrahydropyran 10913.44
    tert-amyl methyl ether 6465.71
    2,5,8-trioxanonane 2776.85
    1-hexene 5593.61
    2-isopropoxyethanol 3095.02
    2,2,2-trifluoroethanol 614.44
    methyl butyrate 7997.93

    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