2H-Pyran, 2-butyltetrahydro-6-methyl-4-methylene-

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  • Identifiers

    CAS number
    24237-02-3

    Molecular formula
    C11H20O

    SMILES
    CCCCC1CC(=C)CC(O1)C

    Safety labels

  • Odor profile

    Fragrance
    Green 82.29%
    Herbal 71.07%
    Floral 64.38%
    Fresh 50.14%
    Spicy 45.56%
    Mint 42.85%
    Citrus 40.54%
    Earthy 39.22%
    Leafy 36.53%
    Geranium 36.41%

     

    Flavor
    Green 65.17%
    Herbal 47.57%
    Minty 45.73%
    Fresh 36.9%
    Spicy 34.85%
    Spice 29.98%
    Mint 29.6%
    Sweet 28.53%
    Earthy 28.09%
    Tropical 27.71%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.1

    pKa est.
    8.23 (weak base)

    Molecular weight
    168.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    213°C

    Flash point

    • 62.36 ˚C est.

  • Synonyms

    • 2H-Pyran, 2-butyltetrahydro-6-methyl-4-methylene-
    • 2-Butyltetrahydro-6-methyl-4-methylene-2H-pyran
    • EINECS 246-101-5
    • DTXSID90865140
    • RefChem:90133
    • DTXCID30813584
    • 246-101-5
    • 24237-02-3
    • 2-butyl-6-methyl-4-methylideneoxane
    • 4-methylene-2,6-epoxydecane
    • SCHEMBL28348334
    • XPOKALKENSYQGX-UHFFFAOYSA-N
    • NS00012890
    • 24237-02-3

  • Applications

    2H-Pyran, 2-butyltetrahydro-6-methyl-4-methylene- may be used as an intermediate or building block in fragrance chemistry, serving as a precursor to aroma compounds in perfumery and cosmetics formulations. It may also be explored as a synthetic building block in specialty polymers and coatings, contributing to the development of resin or polymer formulations. In pharmaceutical research and development, the compound can function as a heterocyclic scaffold in organic synthesis. The structure may be used in flavor and aroma research as an intermediate to design new fragrance notes. It can act as a general research reagent and starting material in organic synthesis for materials science applications. In industrial manufacturing contexts, it may be evaluated for use in multi-step syntheses to access more complex chemicals. These uses are typically highly formulation- and regulation-dependent.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 7303.96
    methanol 6083.81
    isopropanol 6626.08
    water 1.57
    ethyl acetate 4333.89
    n-propanol 6095.08
    acetone 4270.96
    n-butanol 6589.51
    acetonitrile 3461.57
    DMF 2209.53
    toluene 2925.62
    isobutanol 4712.93
    1,4-dioxane 7225.19
    methyl acetate 3056.87
    THF 8061.11
    2-butanone 3454.07
    n-pentanol 4179.83
    sec-butanol 5414.29
    n-hexane 2871.9
    ethylene glycol 744.84
    NMP 1880.98
    cyclohexane 4234.38
    DMSO 2689.24
    n-butyl acetate 4937.02
    n-octanol 2169.85
    chloroform 11967.14
    n-propyl acetate 2189.68
    acetic acid 3583.98
    dichloromethane 7622.19
    cyclohexanone 4983.7
    propylene glycol 1288.25
    isopropyl acetate 3100.87
    DMAc 1875.43
    2-ethoxyethanol 2785.44
    isopentanol 5435.72
    n-heptane 1877.76
    ethyl formate 2066.52
    1,2-dichloroethane 4276.3
    n-hexanol 7605.94
    2-methoxyethanol 4213.45
    isobutyl acetate 1630.22
    tetrachloromethane 2391.89
    n-pentyl acetate 2131.95
    transcutol 7895.42
    n-heptanol 1913.67
    ethylbenzene 1122.74
    MIBK 2106.45
    2-propoxyethanol 5469.26
    tert-butanol 6883.03
    MTBE 6504.24
    2-butoxyethanol 2048.82
    propionic acid 2838.28
    o-xylene 1284.66
    formic acid 794.18
    diethyl ether 7710.3
    m-xylene 1506.36
    p-xylene 1346.48
    chlorobenzene 2887.97
    dimethyl carbonate 577.43
    n-octane 477.24
    formamide 730.4
    cyclopentanone 3351.05
    2-pentanone 3361.08
    anisole 1590.97
    cyclopentyl methyl ether 4688.25
    gamma-butyrolactone 3178.56
    1-methoxy-2-propanol 3447.49
    pyridine 4425.15
    3-pentanone 2294.11
    furfural 2560.23
    n-dodecane 270.86
    diethylene glycol 2383.68
    diisopropyl ether 2343.33
    tert-amyl alcohol 4663.02
    acetylacetone 2402.69
    n-hexadecane 312.13
    acetophenone 1073.03
    methyl propionate 2077.75
    isopentyl acetate 3897.25
    trichloroethylene 6728.51
    n-nonanol 1721.25
    cyclohexanol 5711.6
    benzyl alcohol 1389.13
    2-ethylhexanol 3391.14
    isooctanol 1401.34
    dipropyl ether 4069.33
    1,2-dichlorobenzene 1871.19
    ethyl lactate 691.25
    propylene carbonate 2224.61
    n-methylformamide 1415.28
    2-pentanol 4643.92
    n-pentane 2710.97
    1-propoxy-2-propanol 4025.48
    1-methoxy-2-propyl acetate 2667.97
    2-(2-methoxypropoxy) propanol 1455.71
    mesitylene 947.21
    ε-caprolactone 4093.21
    p-cymene 861.73
    epichlorohydrin 4543.3
    1,1,1-trichloroethane 5049.35
    2-aminoethanol 1782.87
    morpholine-4-carbaldehyde 2593.98
    sulfolane 2492.92
    2,2,4-trimethylpentane 695.54
    2-methyltetrahydrofuran 7046.99
    n-hexyl acetate 3156.04
    isooctane 595.01
    2-(2-butoxyethoxy)ethanol 2353.37
    sec-butyl acetate 1642.57
    tert-butyl acetate 2653.5
    decalin 848.06
    glycerin 1193.68
    diglyme 3863.72
    acrylic acid 1576.42
    isopropyl myristate 954.43
    n-butyric acid 5378.06
    acetyl acetate 2149.16
    di(2-ethylhexyl) phthalate 691.33
    ethyl propionate 1584.91
    nitromethane 2720.5
    1,2-diethoxyethane 4139.09
    benzonitrile 2100.92
    trioctyl phosphate 546.34
    1-bromopropane 4892.05
    gamma-valerolactone 3914.32
    n-decanol 1121.23
    triethyl phosphate 612.88
    4-methyl-2-pentanol 2164.17
    propionitrile 3276.71
    vinylene carbonate 1848.56
    1,1,2-trichlorotrifluoroethane 2838.44
    DMS 1142.94
    cumene 662.45
    2-octanol 1355.71
    2-hexanone 2444.16
    octyl acetate 1165.41
    limonene 1738.51
    1,2-dimethoxyethane 4514.44
    ethyl orthosilicate 734.58
    tributyl phosphate 745.0
    diacetone alcohol 2010.78
    N,N-dimethylaniline 912.0
    acrylonitrile 2361.39
    aniline 2570.75
    1,3-propanediol 2981.5
    bromobenzene 3103.74
    dibromomethane 6480.37
    1,1,2,2-tetrachloroethane 5713.42
    2-methyl-cyclohexyl acetate 1422.38
    tetrabutyl urea 818.9
    diisobutyl methanol 1462.06
    2-phenylethanol 1958.75
    styrene 1541.8
    dioctyl adipate 1040.52
    dimethyl sulfate 595.8
    ethyl butyrate 2172.32
    methyl lactate 786.35
    butyl lactate 1120.05
    diethyl carbonate 1095.53
    propanediol butyl ether 1730.15
    triethyl orthoformate 1509.1
    p-tert-butyltoluene 845.38
    methyl 4-tert-butylbenzoate 956.8
    morpholine 7695.39
    tert-butylamine 5290.32
    n-dodecanol 818.31
    dimethoxymethane 2375.38
    ethylene carbonate 2008.25
    cyrene 803.03
    2-ethoxyethyl acetate 2103.1
    2-ethylhexyl acetate 2946.24
    1,2,4-trichlorobenzene 2010.12
    4-methylpyridine 4390.46
    dibutyl ether 3162.0
    2,6-dimethyl-4-heptanol 1462.06
    DEF 2711.32
    dimethyl isosorbide 1758.36
    tetrachloroethylene 4094.61
    eugenol 840.98
    triacetin 1524.29
    span 80 1495.35
    1,4-butanediol 1095.74
    1,1-dichloroethane 5912.35
    2-methyl-1-pentanol 3104.08
    methyl formate 1010.36
    2-methyl-1-butanol 4698.36
    n-decane 548.65
    butyronitrile 4531.2
    3,7-dimethyl-1-octanol 1971.83
    1-chlorooctane 1522.54
    1-chlorotetradecane 519.33
    n-nonane 644.84
    undecane 358.1
    tert-butylcyclohexane 761.48
    cyclooctane 1180.37
    cyclopentanol 4049.6
    tetrahydropyran 10203.21
    tert-amyl methyl ether 3649.52
    2,5,8-trioxanonane 2115.31
    1-hexene 5046.07
    2-isopropoxyethanol 2136.17
    2,2,2-trifluoroethanol 715.12
    methyl butyrate 2224.57

    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