2-Ethylhexyl methacrylate

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  • Identifiers

    CAS number
    688-84-6

    Molecular formula
    C12H22O2

    SMILES
    CCCCC(CC)COC(=O)C(=C)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fruity 76.87%
    Herbal 61.15%
    Floral 46.9%
    Sweet 37.1%
    Oily 34.71%
    Woody 33.38%
    Fresh 32.91%
    Rose 29.46%
    Spicy 29.32%
    Mint 29.29%

     

    Flavor
    Fruity 53.04%
    Herbal 51.62%
    Green 36.73%
    Floral 30.4%
    Spicy 29.55%
    Woody 28.77%
    Oily 25.05%
    Berry 24.76%
    Tropical 24.57%
    Sweet 23.52%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    4.5

    pKa est.
    8.21 (weak base)

    Molecular weight
    198.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point

    • 110 °C @ 14 mm Hg
    • 113-224 °C

    Flash point

    • 86.44 ˚C est.
    • 92 °C

    Solubility expt.

    • Solubility in water: none

  • Synonyms

    • 2-ETHYLHEXYL METHACRYLATE
    • 688-84-6
    • Methacrylic acid, 2-ethylhexyl ester
    • 2-Ethylhexyl methacryate
    • 2-Ethyl-1-hexyl methacrylate
    • 2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester
    • Methacrylate, 2-ethylisohexy
    • ethylhexyl methacrylate
    • HSDB 5440
    • EINECS 211-708-6
    • NSC 24173
    • NSC 32647
    • BRN 1769420
    • 8Q7XLQ325N
    • ACRYESTER EH
    • AI3-03266
    • NSC-24173
    • NSC-32647
    • EC 211-708-6
    • 4-02-00-01528 (Beilstein Handbook Reference)
    • 2-ETHYLHEXYL METHACRYLATE [HSDB]
    • 1-HEXANOL, 2-ETHYL-, METHACRYLATE
    • 2Ethylhexyl methacryate
    • 2Ethyl1hexyl methacrylate
    • RefChem:471996
    • (+-)-2-ethylhexyl methacrylate
    • Methacrylic acid, 2ethylhexyl ester
    • ETHYLHEXYL METHACRYLATE [INCI]
    • 2-ETHYLHEXYL METHACRYLATE, (+-)-
    • 2Propenoic acid, 2methyl, 2ethylhexyl ester
    • 211-708-6
    • 2-ethylhexyl 2-methylprop-2-enoate
    • Methacrylic acid 2-ethylhexyl ester
    • 2-Ethylhexylmethacrylate
    • 2-Ethylhexyl 2-methyl-2-propenoate
    • DTXSID3027293
    • MFCD00084373
    • 2-Ethylhexyl Methacrylate (stabilized with MEHQ)
    • WLN: 4Y2&1OVYU1
    • DTXCID007293
    • CAS-688-84-6
    • UNII-8Q7XLQ325N
    • MFCD00009494
    • Methacrylic Acid Octyl Ester
    • SCHEMBL16772
    • SCHEMBL8485577
    • 2-Ethylhexyl Methacrylate Resin
    • CHEMBL1871010
    • WDQMWEYDKDCEHT-UHFFFAOYSA-
    • 2-Ethylhexyl 2-methylacrylate #
    • (+/-)-2-ethylhexyl methacrylate
    • 2-Ethylhexyl Methacrylate (EHMA)
    • NSC24173
    • NSC32647
    • Tox21_201535
    • Tox21_303072
    • AKOS015894410
    • MSK167407-100B
    • MSK167407-1000B
    • NCGC00164407-01
    • NCGC00164407-02
    • NCGC00257177-01
    • NCGC00259085-01
    • AS-75460
    • DB-055200
    • 2-ETHYLHEXYL METHACRYLATE, (+/-)-
    • M0591
    • NS00009802
    • E78302
    • 2-Ethylhexyl methacrylate (stabilised with MEHQ)
    • 2-Ethylhexyl Methacrylate, (stabilized with MEHQ)
    • F235696
    • Q27270894
    • 2-Ethylhexyl methacrylate Solution in Acetone, 100ug/mL
    • 2-Ethylhexyl methacrylate Solution in Acetone, 1000ug/mL
    • 2-Ethylhexyl methacrylate, 99%, contains 40 - 60 ppm MEHQ as stabilizer
    • 2-Ethylhexyl methacrylate, 98%, contains ~50 ppm monomethyl ether hydroquinone as stabilizer
    • InChI=1/C12H22O2/c1-5-7-8-11(6-2)9-14-12(13)10(3)4/h11H,3,5-9H2,1-2,4H3
    • 688-84-6

  • Applications

    2-Ethylhexyl methacrylate (CAS 688-84-6) is used primarily as a monomer and reactive diluent in acrylate/methacrylate polymer systems to tailor flexibility and processability. It serves as a reactive diluent and monomer in UV-curable coatings and inks, reducing viscosity while enabling network formation. It is also employed in acrylic-based adhesives to improve elasticity and adhesive performance. In polymer and plastics production, it is copolymerized to adjust properties such as toughness, elongation, and heat resistance in coatings, sealants, and molded plastics. Additionally, it functions as an intermediate in the synthesis of specialty polymers and resin systems for industrial and consumer applications, with use governed by formulation requirements and local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 6822.7
    methanol 6375.44
    isopropanol 5090.86
    water 0.23
    ethyl acetate 8757.84
    n-propanol 5481.69
    acetone 7506.7
    n-butanol 5382.06
    acetonitrile 5380.22
    DMF 4831.38
    toluene 2617.71
    isobutanol 4454.55
    1,4-dioxane 5947.72
    methyl acetate 5126.8
    THF 7024.62
    2-butanone 7435.36
    n-pentanol 3706.21
    sec-butanol 5693.35
    n-hexane 1015.44
    ethylene glycol 217.74
    NMP 3389.6
    cyclohexane 1292.5
    DMSO 2935.98
    n-butyl acetate 7781.08
    n-octanol 1545.36
    chloroform 7725.32
    n-propyl acetate 5159.44
    acetic acid 3240.53
    dichloromethane 7568.87
    cyclohexanone 8304.96
    propylene glycol 542.66
    isopropyl acetate 5239.47
    DMAc 3853.73
    2-ethoxyethanol 3183.44
    isopentanol 5018.52
    n-heptane 386.06
    ethyl formate 3639.4
    1,2-dichloroethane 5798.21
    n-hexanol 4270.6
    2-methoxyethanol 4281.21
    isobutyl acetate 2873.16
    tetrachloromethane 1269.72
    n-pentyl acetate 3502.83
    transcutol 9661.72
    n-heptanol 1602.12
    ethylbenzene 1595.13
    MIBK 3388.93
    2-propoxyethanol 4532.62
    tert-butanol 5843.63
    MTBE 8485.9
    2-butoxyethanol 2311.45
    propionic acid 2639.36
    o-xylene 1527.42
    formic acid 570.66
    diethyl ether 7960.69
    m-xylene 1618.75
    p-xylene 2099.49
    chlorobenzene 3206.27
    dimethyl carbonate 778.55
    n-octane 184.86
    formamide 1023.6
    cyclopentanone 5480.29
    2-pentanone 6872.87
    anisole 2537.97
    cyclopentyl methyl ether 4344.14
    gamma-butyrolactone 5094.49
    1-methoxy-2-propanol 3315.17
    pyridine 6202.6
    3-pentanone 3765.7
    furfural 3826.94
    n-dodecane 121.04
    diethylene glycol 1500.8
    diisopropyl ether 2245.29
    tert-amyl alcohol 6217.56
    acetylacetone 4495.53
    n-hexadecane 144.91
    acetophenone 2284.62
    methyl propionate 3870.64
    isopentyl acetate 6428.78
    trichloroethylene 9788.27
    n-nonanol 1269.66
    cyclohexanol 3986.7
    benzyl alcohol 1792.96
    2-ethylhexanol 2757.68
    isooctanol 1422.07
    dipropyl ether 2803.27
    1,2-dichlorobenzene 2501.64
    ethyl lactate 953.3
    propylene carbonate 3270.05
    n-methylformamide 2521.59
    2-pentanol 4456.37
    n-pentane 720.93
    1-propoxy-2-propanol 3809.72
    1-methoxy-2-propyl acetate 3976.07
    2-(2-methoxypropoxy) propanol 1670.14
    mesitylene 985.42
    ε-caprolactone 6465.5
    p-cymene 920.62
    epichlorohydrin 6875.29
    1,1,1-trichloroethane 5901.72
    2-aminoethanol 956.23
    morpholine-4-carbaldehyde 3646.63
    sulfolane 3483.64
    2,2,4-trimethylpentane 405.53
    2-methyltetrahydrofuran 7540.6
    n-hexyl acetate 3823.9
    isooctane 342.22
    2-(2-butoxyethoxy)ethanol 2492.39
    sec-butyl acetate 3736.19
    tert-butyl acetate 4220.79
    decalin 575.63
    glycerin 503.85
    diglyme 4551.46
    acrylic acid 1503.8
    isopropyl myristate 1088.27
    n-butyric acid 6230.71
    acetyl acetate 3053.56
    di(2-ethylhexyl) phthalate 790.98
    ethyl propionate 3688.55
    nitromethane 5095.82
    1,2-diethoxyethane 5523.38
    benzonitrile 3158.93
    trioctyl phosphate 587.52
    1-bromopropane 4590.55
    gamma-valerolactone 6470.14
    n-decanol 824.81
    triethyl phosphate 867.89
    4-methyl-2-pentanol 2109.8
    propionitrile 4557.69
    vinylene carbonate 2697.37
    1,1,2-trichlorotrifluoroethane 2720.06
    DMS 1739.07
    cumene 987.47
    2-octanol 1337.48
    2-hexanone 4458.47
    octyl acetate 1329.8
    limonene 1638.02
    1,2-dimethoxyethane 5767.23
    ethyl orthosilicate 954.4
    tributyl phosphate 846.08
    diacetone alcohol 2898.38
    N,N-dimethylaniline 1466.29
    acrylonitrile 3982.46
    aniline 2287.35
    1,3-propanediol 2103.44
    bromobenzene 3609.72
    dibromomethane 5374.93
    1,1,2,2-tetrachloroethane 7138.89
    2-methyl-cyclohexyl acetate 2129.84
    tetrabutyl urea 961.53
    diisobutyl methanol 1266.86
    2-phenylethanol 2169.5
    styrene 2020.4
    dioctyl adipate 1248.28
    dimethyl sulfate 917.46
    ethyl butyrate 3853.71
    methyl lactate 854.72
    butyl lactate 1723.77
    diethyl carbonate 1868.01
    propanediol butyl ether 1628.09
    triethyl orthoformate 1914.35
    p-tert-butyltoluene 867.06
    methyl 4-tert-butylbenzoate 1471.87
    morpholine 7835.38
    tert-butylamine 4012.16
    n-dodecanol 576.66
    dimethoxymethane 3238.83
    ethylene carbonate 2618.25
    cyrene 1111.83
    2-ethoxyethyl acetate 3380.78
    2-ethylhexyl acetate 4680.49
    1,2,4-trichlorobenzene 2631.42
    4-methylpyridine 7089.17
    dibutyl ether 2687.24
    2,6-dimethyl-4-heptanol 1266.86
    DEF 6001.97
    dimethyl isosorbide 2470.68
    tetrachloroethylene 4495.53
    eugenol 1388.08
    triacetin 1799.16
    span 80 1565.21
    1,4-butanediol 817.71
    1,1-dichloroethane 7290.6
    2-methyl-1-pentanol 3860.58
    methyl formate 1598.65
    2-methyl-1-butanol 4760.57
    n-decane 235.87
    butyronitrile 6412.07
    3,7-dimethyl-1-octanol 1753.17
    1-chlorooctane 1191.66
    1-chlorotetradecane 354.81
    n-nonane 247.17
    undecane 162.56
    tert-butylcyclohexane 533.13
    cyclooctane 341.36
    cyclopentanol 3055.21
    tetrahydropyran 8922.75
    tert-amyl methyl ether 5110.36
    2,5,8-trioxanonane 2425.65
    1-hexene 3583.93
    2-isopropoxyethanol 2491.88
    2,2,2-trifluoroethanol 606.08
    methyl butyrate 5843.4

    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