4-Methylidene-2-(2-methylprop-1-enyl)oxane

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  • Identifiers

    CAS number
    60857-05-8

    Molecular formula
    C10H16O

    SMILES
    CC(=CC1CC(=C)CCO1)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Green 81.79%
    Herbal 80.1%
    Floral 74.05%
    Mint 61.56%
    Fresh 52.1%
    Spicy 47.26%
    Geranium 45.87%
    Citrus 42.16%
    Leafy 40.33%
    Rose 38.35%

     

    Flavor
    Green 67.75%
    Herbal 58.24%
    Minty 52.03%
    Fresh 43.86%
    Spice 42.7%
    Mint 41.69%
    Spicy 37.77%
    Herb 28.12%
    Woody 24.92%
    Floral 24.51%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.4

    pKa est.
    8.22 (weak base)

    Molecular weight
    152.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    206°C

    Flash point

    • 56.23 ˚C est.

  • Synonyms

    • 60857-05-8
    • EINECS 262-475-2
    • 4-methylidene-2-(2-methylprop-1-enyl)oxane
    • 2H-Pyran, tetrahydro-4-methylene-2-(2-methyl-1-propenyl)-
    • Tetrahydro-4-methylene-2-(2-methyl-1-propenyl)-2H-pyran
    • 2H-Pyran, tetrahydro-4-methylene-2-(2-methyl-1-propen-1-yl)-
    • 2-(2-Methylprop-1-enyl)4-methylenetetrahydropyran
    • 628V95A212
    • FEMA NO. 4929
    • DTXSID90886411
    • EC 262-475-2
    • TETRAHYDRO-4-METHYLENE-2-(2-METHYL-1-PROPEN-1-YL)-2H-PYRAN
    • SCHEMBL3660880
    • JRIATCFPZFOVNP-UHFFFAOYSA-N
    • DTXCID601025740
    • UNII-628V95A212
    • DB-321734
    • NS00008672
    • Q27263467
    • 2-(2-METHYLPROP-1-ENYL)4-METHYLENETETRAHYDROPYRAN, (+/-)-

  • Applications

    4-Methylidene-2-(2-methylprop-1-enyl)oxane (CAS 60857-05-8) is primarily used as a synthetic building block in the manufacture of specialty chemicals; in practice, it may serve as a fragrance ingredient precursor for the perfume and personal care industries, and can act as a reactive monomer or crosslinking component in systems for specialty polymers, coatings, and adhesives. It is also considered an industrial chemical intermediate for broader chemical synthesis and polymer material development, with use governed by local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 774.61
    methanol 541.0
    isopropanol 838.07
    water 1.84
    ethyl acetate 459.14
    n-propanol 681.47
    acetone 508.41
    n-butanol 747.66
    acetonitrile 604.78
    DMF 399.63
    toluene 408.73
    isobutanol 529.5
    1,4-dioxane 1141.7
    methyl acetate 394.93
    THF 1294.49
    2-butanone 446.26
    n-pentanol 433.55
    sec-butanol 677.84
    n-hexane 289.11
    ethylene glycol 143.68
    NMP 378.53
    cyclohexane 562.24
    DMSO 449.07
    n-butyl acetate 479.39
    n-octanol 425.7
    chloroform 2122.35
    n-propyl acetate 253.43
    acetic acid 587.07
    dichloromethane 1284.65
    cyclohexanone 644.07
    propylene glycol 330.35
    isopropyl acetate 279.05
    DMAc 378.54
    2-ethoxyethanol 368.64
    isopentanol 548.35
    n-heptane 394.66
    ethyl formate 300.69
    1,2-dichloroethane 555.26
    n-hexanol 891.22
    2-methoxyethanol 588.68
    isobutyl acetate 194.77
    tetrachloromethane 404.29
    n-pentyl acetate 270.68
    transcutol 1337.78
    n-heptanol 349.67
    ethylbenzene 205.65
    MIBK 251.99
    2-propoxyethanol 747.83
    tert-butanol 877.79
    MTBE 535.57
    2-butoxyethanol 391.47
    propionic acid 439.84
    o-xylene 260.75
    formic acid 116.31
    diethyl ether 612.69
    m-xylene 270.48
    p-xylene 258.11
    chlorobenzene 412.28
    dimethyl carbonate 122.53
    n-octane 100.75
    formamide 135.82
    cyclopentanone 597.94
    2-pentanone 381.81
    anisole 305.29
    cyclopentyl methyl ether 591.76
    gamma-butyrolactone 592.32
    1-methoxy-2-propanol 556.45
    pyridine 719.32
    3-pentanone 300.68
    furfural 534.36
    n-dodecane 80.53
    diethylene glycol 434.54
    diisopropyl ether 209.52
    tert-amyl alcohol 615.91
    acetylacetone 319.49
    n-hexadecane 89.41
    acetophenone 243.85
    methyl propionate 306.89
    isopentyl acetate 394.64
    trichloroethylene 1016.91
    n-nonanol 358.85
    cyclohexanol 738.81
    benzyl alcohol 271.84
    2-ethylhexanol 500.63
    isooctanol 249.73
    dipropyl ether 543.67
    1,2-dichlorobenzene 340.7
    ethyl lactate 174.22
    propylene carbonate 428.02
    n-methylformamide 223.54
    2-pentanol 529.53
    n-pentane 321.35
    1-propoxy-2-propanol 614.89
    1-methoxy-2-propyl acetate 396.14
    2-(2-methoxypropoxy) propanol 414.9
    mesitylene 182.93
    ε-caprolactone 538.79
    p-cymene 219.05
    epichlorohydrin 671.43
    1,1,1-trichloroethane 769.97
    2-aminoethanol 327.57
    morpholine-4-carbaldehyde 495.63
    sulfolane 532.59
    2,2,4-trimethylpentane 105.02
    2-methyltetrahydrofuran 966.51
    n-hexyl acetate 472.87
    isooctane 91.71
    2-(2-butoxyethoxy)ethanol 586.42
    sec-butyl acetate 187.69
    tert-butyl acetate 281.44
    decalin 147.35
    glycerin 312.5
    diglyme 849.82
    acrylic acid 311.28
    isopropyl myristate 219.86
    n-butyric acid 686.5
    acetyl acetate 292.43
    di(2-ethylhexyl) phthalate 203.05
    ethyl propionate 227.26
    nitromethane 486.75
    1,2-diethoxyethane 492.32
    benzonitrile 410.78
    trioctyl phosphate 150.49
    1-bromopropane 561.85
    gamma-valerolactone 627.28
    n-decanol 275.77
    triethyl phosphate 165.38
    4-methyl-2-pentanol 261.62
    propionitrile 486.93
    vinylene carbonate 387.48
    1,1,2-trichlorotrifluoroethane 538.77
    DMS 261.93
    cumene 155.64
    2-octanol 249.44
    2-hexanone 279.2
    octyl acetate 277.45
    limonene 345.66
    1,2-dimethoxyethane 555.49
    ethyl orthosilicate 170.88
    tributyl phosphate 179.3
    diacetone alcohol 331.96
    N,N-dimethylaniline 234.26
    acrylonitrile 418.66
    aniline 433.68
    1,3-propanediol 446.39
    bromobenzene 445.66
    dibromomethane 999.23
    1,1,2,2-tetrachloroethane 957.51
    2-methyl-cyclohexyl acetate 295.56
    tetrabutyl urea 215.1
    diisobutyl methanol 256.62
    2-phenylethanol 363.91
    styrene 242.7
    dioctyl adipate 284.51
    dimethyl sulfate 142.01
    ethyl butyrate 317.79
    methyl lactate 200.48
    butyl lactate 245.58
    diethyl carbonate 229.07
    propanediol butyl ether 449.32
    triethyl orthoformate 261.14
    p-tert-butyltoluene 217.15
    methyl 4-tert-butylbenzoate 303.8
    morpholine 1201.86
    tert-butylamine 668.65
    n-dodecanol 225.11
    dimethoxymethane 338.03
    ethylene carbonate 350.55
    cyrene 279.43
    2-ethoxyethyl acetate 308.18
    2-ethylhexyl acetate 331.7
    1,2,4-trichlorobenzene 386.78
    4-methylpyridine 594.21
    dibutyl ether 429.88
    2,6-dimethyl-4-heptanol 256.62
    DEF 338.53
    dimethyl isosorbide 554.88
    tetrachloroethylene 587.44
    eugenol 269.72
    triacetin 388.6
    span 80 475.51
    1,4-butanediol 181.8
    1,1-dichloroethane 751.51
    2-methyl-1-pentanol 336.21
    methyl formate 175.73
    2-methyl-1-butanol 523.88
    n-decane 127.54
    butyronitrile 607.49
    3,7-dimethyl-1-octanol 385.51
    1-chlorooctane 283.05
    1-chlorotetradecane 139.14
    n-nonane 135.96
    undecane 98.46
    tert-butylcyclohexane 129.18
    cyclooctane 198.69
    cyclopentanol 636.17
    tetrahydropyran 1299.08
    tert-amyl methyl ether 370.69
    2,5,8-trioxanonane 644.34
    1-hexene 441.17
    2-isopropoxyethanol 289.06
    2,2,2-trifluoroethanol 163.6
    methyl butyrate 277.79

    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