2,5-Dimethylstyrene

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  • Identifiers

    CAS number
    2039-89-6

    Molecular formula
    C10H12

    SMILES
    CC1=CC(=C(C=C1)C)C=C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Herbal 51.97%
    Green 51.09%
    Sweet 48.86%
    Spicy 46.75%
    Phenolic 41.55%
    Floral 41.39%
    Woody 37.6%
    Musty 35.14%
    Nutty 34.14%
    Medicinal 32.49%

     

    Flavor
    Phenolic 39.86%
    Plastic 31.81%
    Medicinal 29.65%
    Spicy 29.05%
    Woody 28.79%
    Guaiacol 28.04%
    Spice 26.03%
    Citrus 25.84%
    Licorice 24.51%
    Styrene 23.76%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.4

    pKa est.
    7.92 (neutral)

    Molecular weight
    132.2 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Fast

    Boiling point est.
    191°C

    Flash point

    • 60.84 ˚C est.

  • Synonyms

    • 2,5-DIMETHYLSTYRENE
    • 1,4-Dimethyl-2-vinylbenzene
    • Benzene, 2-ethenyl-1,4-dimethyl-
    • Styrene, 2,5-dimethyl-
    • 1,4-Dimethyl-2-ethenylbenzene
    • UNII-RTM6P5K8CA
    • RTM6P5K8CA
    • EINECS 218-028-9
    • NSC 73477
    • BRN 2203656
    • NSC-73477
    • DTXSID6074702
    • 4-05-00-01385 (Beilstein Handbook Reference)
    • RefChem:82977
    • DTXCID3036280
    • Benzene, 2-ethenyl-1,4-dimethyl-(9CI)
    • 218-028-9
    • DBWWINQJTZYDFK-UHFFFAOYSA-N
    • 2039-89-6
    • 2-ethenyl-1,4-dimethylbenzene
    • MFCD00008614
    • 2,5-Dimethylstyrene (stabilized with 4-tert-butylcatechol)
    • 2-ethenyl-1,4-dimethyl-benzene
    • NSC73477
    • Styrene,5-dimethyl-
    • SCHEMBL87447
    • SCHEMBL1611249
    • SCHEMBL4331368
    • SCHEMBL6939455
    • SCHEMBL11037443
    • SCHEMBL29392003
    • WLN: 1U1R B1 E1
    • MSK001947
    • AKOS009157096
    • FD34445
    • AS-61158
    • SY316389
    • NS00021825
    • ST50411505
    • D97352
    • EN300-388620
    • F844904
    • Q27288284
    • 2,5-Dimethylstyrene, contains 500 ppm tert-Butylcatechol as stabilizer, 98%
    • 34031-72-6
    • 2039-89-6

  • Applications

    2,5-Dimethylstyrene (CAS 2039-89-6) is primarily used as a reactive monomer and intermediate in polymer chemistry; it can be copolymerized with styrene or acrylates to form specialty plastics and resins. In coatings and inks, it serves as a reactive monomer or crosslinking component to tailor film properties, hardness, and adhesion, notably in UV-curable systems. It also functions as an industrial manufacturing intermediate for downstream specialty chemicals and performance materials. It is commonly used as a monomer in adhesives where its aromatic vinyl structure contributes to bond strength and chemical resistance. Applications may vary with formulation and regulatory constraints, and use is typically governed by local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 399.05
    methanol 236.29
    isopropanol 413.34
    water 0.16
    ethyl acetate 1092.01
    n-propanol 480.18
    acetone 1082.98
    n-butanol 547.12
    acetonitrile 828.04
    DMF 943.13
    toluene 813.59
    isobutanol 383.79
    1,4-dioxane 2163.47
    methyl acetate 930.08
    THF 2869.59
    2-butanone 1155.28
    n-pentanol 443.09
    sec-butanol 490.32
    n-hexane 983.1
    ethylene glycol 37.0
    NMP 938.26
    cyclohexane 638.13
    DMSO 704.36
    n-butyl acetate 1575.58
    n-octanol 478.87
    chloroform 1630.71
    n-propyl acetate 766.25
    acetic acid 161.5
    dichloromethane 1663.86
    cyclohexanone 1530.97
    propylene glycol 76.36
    isopropyl acetate 715.55
    DMAc 674.68
    2-ethoxyethanol 414.46
    isopentanol 479.06
    n-heptane 611.85
    ethyl formate 446.17
    1,2-dichloroethane 1359.7
    n-hexanol 1046.88
    2-methoxyethanol 467.68
    isobutyl acetate 592.34
    tetrachloromethane 482.71
    n-pentyl acetate 621.97
    transcutol 1247.52
    n-heptanol 432.87
    ethylbenzene 609.65
    MIBK 732.17
    2-propoxyethanol 1014.48
    tert-butanol 637.83
    MTBE 1414.92
    2-butoxyethanol 475.05
    propionic acid 245.7
    o-xylene 481.28
    formic acid 24.05
    diethyl ether 1887.24
    m-xylene 599.7
    p-xylene 614.56
    chlorobenzene 715.35
    dimethyl carbonate 335.11
    n-octane 262.13
    formamide 59.79
    cyclopentanone 1708.74
    2-pentanone 1097.89
    anisole 843.52
    cyclopentyl methyl ether 1700.35
    gamma-butyrolactone 1342.42
    1-methoxy-2-propanol 539.04
    pyridine 1063.12
    3-pentanone 958.61
    furfural 703.91
    n-dodecane 158.35
    diethylene glycol 324.65
    diisopropyl ether 702.24
    tert-amyl alcohol 597.7
    acetylacetone 801.61
    n-hexadecane 184.07
    acetophenone 514.37
    methyl propionate 793.67
    isopentyl acetate 1163.4
    trichloroethylene 1660.98
    n-nonanol 429.56
    cyclohexanol 583.81
    benzyl alcohol 327.2
    2-ethylhexanol 789.11
    isooctanol 370.16
    dipropyl ether 1621.21
    1,2-dichlorobenzene 587.52
    ethyl lactate 210.67
    propylene carbonate 710.79
    n-methylformamide 298.93
    2-pentanol 542.52
    n-pentane 486.39
    1-propoxy-2-propanol 880.43
    1-methoxy-2-propyl acetate 842.98
    2-(2-methoxypropoxy) propanol 432.23
    mesitylene 428.84
    ε-caprolactone 1086.83
    p-cymene 377.87
    epichlorohydrin 1735.3
    1,1,1-trichloroethane 1445.73
    2-aminoethanol 98.4
    morpholine-4-carbaldehyde 945.43
    sulfolane 1248.5
    2,2,4-trimethylpentane 208.29
    2-methyltetrahydrofuran 2169.82
    n-hexyl acetate 898.73
    isooctane 223.23
    2-(2-butoxyethoxy)ethanol 616.88
    sec-butyl acetate 570.37
    tert-butyl acetate 838.88
    decalin 357.73
    glycerin 85.67
    diglyme 1072.34
    acrylic acid 154.39
    isopropyl myristate 424.69
    n-butyric acid 479.77
    acetyl acetate 459.76
    di(2-ethylhexyl) phthalate 234.11
    ethyl propionate 720.15
    nitromethane 491.55
    1,2-diethoxyethane 1346.4
    benzonitrile 478.32
    trioctyl phosphate 222.31
    1-bromopropane 1346.56
    gamma-valerolactone 1386.45
    n-decanol 352.75
    triethyl phosphate 309.0
    4-methyl-2-pentanol 347.96
    propionitrile 783.91
    vinylene carbonate 537.37
    1,1,2-trichlorotrifluoroethane 466.51
    DMS 526.96
    cumene 406.87
    2-octanol 381.33
    2-hexanone 962.01
    octyl acetate 502.24
    limonene 640.4
    1,2-dimethoxyethane 1270.04
    ethyl orthosilicate 335.0
    tributyl phosphate 267.02
    diacetone alcohol 584.01
    N,N-dimethylaniline 558.18
    acrylonitrile 644.9
    aniline 473.23
    1,3-propanediol 190.26
    bromobenzene 911.81
    dibromomethane 1403.08
    1,1,2,2-tetrachloroethane 1377.15
    2-methyl-cyclohexyl acetate 590.06
    tetrabutyl urea 359.01
    diisobutyl methanol 432.52
    2-phenylethanol 553.29
    styrene 659.03
    dioctyl adipate 408.28
    dimethyl sulfate 433.71
    ethyl butyrate 933.76
    methyl lactate 206.6
    butyl lactate 292.87
    diethyl carbonate 476.92
    propanediol butyl ether 309.95
    triethyl orthoformate 531.17
    p-tert-butyltoluene 391.78
    methyl 4-tert-butylbenzoate 462.89
    morpholine 1789.63
    tert-butylamine 530.95
    n-dodecanol 291.77
    dimethoxymethane 1005.0
    ethylene carbonate 532.2
    cyrene 341.94
    2-ethoxyethyl acetate 622.07
    2-ethylhexyl acetate 1046.83
    1,2,4-trichlorobenzene 604.79
    4-methylpyridine 1147.66
    dibutyl ether 1110.24
    2,6-dimethyl-4-heptanol 432.52
    DEF 1002.2
    dimethyl isosorbide 796.79
    tetrachloroethylene 805.27
    eugenol 386.1
    triacetin 438.5
    span 80 394.79
    1,4-butanediol 96.67
    1,1-dichloroethane 1469.29
    2-methyl-1-pentanol 427.78
    methyl formate 280.27
    2-methyl-1-butanol 480.32
    n-decane 270.88
    butyronitrile 832.64
    3,7-dimethyl-1-octanol 480.43
    1-chlorooctane 662.36
    1-chlorotetradecane 273.92
    n-nonane 314.35
    undecane 202.76
    tert-butylcyclohexane 364.64
    cyclooctane 348.07
    cyclopentanol 578.31
    tetrahydropyran 2398.92
    tert-amyl methyl ether 1030.19
    2,5,8-trioxanonane 700.92
    1-hexene 1565.45
    2-isopropoxyethanol 401.17
    2,2,2-trifluoroethanol 66.83
    methyl butyrate 842.77

    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