2H-Pyran, 6-butyl-3,6-dihydro-2,4-dimethyl-

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  • Identifiers

    CAS number
    24237-00-1

    Molecular formula
    C11H20O

    SMILES
    CCCCC1C=C(CC(O1)C)C

    Safety labels

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Green 88.44%
    Floral 76.18%
    Herbal 70.3%
    Spicy 53.34%
    Vegetable 47.31%
    Geranium 47.17%
    Earthy 44.76%
    Fresh 40.97%
    Leafy 40.58%
    Metallic 37.4%

     

    Flavor
    Green 64.94%
    Herbal 58.57%
    Minty 39.79%
    Spicy 38.9%
    Fresh 35.18%
    Herb 31.62%
    Earthy 30.41%
    Spice 30.0%
    Mint 28.76%
    Woody 25.87%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.9

    pKa est.
    8.92 (weak base)

    Molecular weight
    168.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    206°C

    Flash point

    • 65.02 ˚C est.

  • Synonyms

    • Gyrane
    • 6-Butyl-3,6-dihydro-2,4-dimethyl-2H-pyran
    • 6-butyl-2,4-dimethyl-3,6-dihydro-2h-pyran
    • 24237-00-1
    • 6-Butyl-2,4-dimethyldihydropyrane
    • 2H-Pyran, 6-butyl-3,6-dihydro-2,4-dimethyl-
    • 2-Butyl-4,6-dimethyldihydropyran
    • EINECS 246-098-0
    • DTXSID7051898
    • 2H-Pyran, 3,6-dihydro-6-butyl-2,4-dimethyl-
    • 2H-Pyran,6-butyl-3,6-dihydro-2,4-dimethyl-
    • SCHEMBL757656
    • DTXCID9030460
    • OSMLMQQJZVENMX-UHFFFAOYSA-N
    • AKOS006274426
    • NS00012039
    • 246-098-0

  • Applications

    2H-Pyran, 6-butyl-3,6-dihydro-2,4-dimethyl- (CAS 24237-00-1) is used as a chemical intermediate and a functional building block in several industrial contexts. In cosmetics and personal care, it may serve as a fragrance ingredient or odorant to enhance and fix aroma. In household and cleaning products, it can act as a fragrance additive in detergents and cleaners. In industrial manufacturing, it serves as an intermediate in the synthesis of specialty chemicals and can act as a building block for polymer or resin systems. In coatings and printing formulations, it may contribute fragrance characteristics or act as a performance-related additive. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2577.06
    methanol 2168.03
    isopropanol 2204.52
    water 1.19
    ethyl acetate 1758.87
    n-propanol 2251.05
    acetone 1554.13
    n-butanol 2622.82
    acetonitrile 1402.27
    DMF 972.84
    toluene 1716.42
    isobutanol 1769.67
    1,4-dioxane 3266.72
    methyl acetate 1211.44
    THF 3553.95
    2-butanone 1462.68
    n-pentanol 1776.09
    sec-butanol 2046.29
    n-hexane 1735.08
    ethylene glycol 278.35
    NMP 1075.5
    cyclohexane 2507.93
    DMSO 1068.19
    n-butyl acetate 2228.27
    n-octanol 1208.03
    chloroform 5857.7
    n-propyl acetate 948.27
    acetic acid 1404.08
    dichloromethane 3748.19
    cyclohexanone 2374.54
    propylene glycol 486.59
    isopropyl acetate 1210.57
    DMAc 933.11
    2-ethoxyethanol 1163.33
    isopentanol 2256.57
    n-heptane 1207.34
    ethyl formate 784.91
    1,2-dichloroethane 2028.7
    n-hexanol 3599.08
    2-methoxyethanol 1646.09
    isobutyl acetate 743.15
    tetrachloromethane 1303.67
    n-pentyl acetate 1086.76
    transcutol 3830.03
    n-heptanol 1040.41
    ethylbenzene 682.55
    MIBK 949.95
    2-propoxyethanol 2468.79
    tert-butanol 2455.64
    MTBE 2716.83
    2-butoxyethanol 1055.65
    propionic acid 1109.36
    o-xylene 830.52
    formic acid 294.4
    diethyl ether 3352.36
    m-xylene 946.9
    p-xylene 809.39
    chlorobenzene 1577.79
    dimethyl carbonate 280.23
    n-octane 321.96
    formamide 280.48
    cyclopentanone 1596.09
    2-pentanone 1485.0
    anisole 840.49
    cyclopentyl methyl ether 2334.24
    gamma-butyrolactone 1483.97
    1-methoxy-2-propanol 1379.67
    pyridine 2129.3
    3-pentanone 1143.27
    furfural 1203.5
    n-dodecane 195.13
    diethylene glycol 1096.32
    diisopropyl ether 1096.66
    tert-amyl alcohol 1946.53
    acetylacetone 1008.47
    n-hexadecane 222.57
    acetophenone 610.97
    methyl propionate 942.03
    isopentyl acetate 1784.99
    trichloroethylene 3270.64
    n-nonanol 988.71
    cyclohexanol 2608.12
    benzyl alcohol 722.06
    2-ethylhexanol 1864.18
    isooctanol 791.59
    dipropyl ether 1998.66
    1,2-dichlorobenzene 1073.23
    ethyl lactate 362.31
    propylene carbonate 1016.67
    n-methylformamide 533.19
    2-pentanol 1902.7
    n-pentane 1439.92
    1-propoxy-2-propanol 1832.34
    1-methoxy-2-propyl acetate 1211.76
    2-(2-methoxypropoxy) propanol 863.08
    mesitylene 610.74
    ε-caprolactone 1914.38
    p-cymene 567.34
    epichlorohydrin 1977.52
    1,1,1-trichloroethane 2452.68
    2-aminoethanol 673.05
    morpholine-4-carbaldehyde 1306.07
    sulfolane 1306.05
    2,2,4-trimethylpentane 444.52
    2-methyltetrahydrofuran 3311.36
    n-hexyl acetate 1683.56
    isooctane 353.75
    2-(2-butoxyethoxy)ethanol 1246.67
    sec-butyl acetate 740.34
    tert-butyl acetate 1124.57
    decalin 577.92
    glycerin 482.06
    diglyme 1932.18
    acrylic acid 699.45
    isopropyl myristate 580.22
    n-butyric acid 2082.93
    acetyl acetate 916.05
    di(2-ethylhexyl) phthalate 460.33
    ethyl propionate 739.77
    nitromethane 1075.26
    1,2-diethoxyethane 1936.68
    benzonitrile 1076.2
    trioctyl phosphate 354.96
    1-bromopropane 2434.25
    gamma-valerolactone 1777.13
    n-decanol 678.8
    triethyl phosphate 363.67
    4-methyl-2-pentanol 968.4
    propionitrile 1337.04
    vinylene carbonate 882.22
    1,1,2-trichlorotrifluoroethane 1377.07
    DMS 643.24
    cumene 453.53
    2-octanol 760.67
    2-hexanone 1128.57
    octyl acetate 722.01
    limonene 1066.03
    1,2-dimethoxyethane 1948.49
    ethyl orthosilicate 426.15
    tributyl phosphate 455.67
    diacetone alcohol 905.54
    N,N-dimethylaniline 570.43
    acrylonitrile 997.56
    aniline 1283.39
    1,3-propanediol 1058.32
    bromobenzene 1773.65
    dibromomethane 3252.94
    1,1,2,2-tetrachloroethane 2943.14
    2-methyl-cyclohexyl acetate 845.27
    tetrabutyl urea 511.89
    diisobutyl methanol 773.94
    2-phenylethanol 1057.68
    styrene 862.49
    dioctyl adipate 652.53
    dimethyl sulfate 323.5
    ethyl butyrate 1061.93
    methyl lactate 364.15
    butyl lactate 589.9
    diethyl carbonate 571.3
    propanediol butyl ether 882.46
    triethyl orthoformate 773.42
    p-tert-butyltoluene 550.48
    methyl 4-tert-butylbenzoate 622.13
    morpholine 3313.03
    tert-butylamine 2146.34
    n-dodecanol 511.2
    dimethoxymethane 998.77
    ethylene carbonate 894.79
    cyrene 512.16
    2-ethoxyethyl acetate 1077.56
    2-ethylhexyl acetate 1518.36
    1,2,4-trichlorobenzene 1159.21
    4-methylpyridine 2164.92
    dibutyl ether 1637.54
    2,6-dimethyl-4-heptanol 773.94
    DEF 1256.83
    dimethyl isosorbide 1070.54
    tetrachloroethylene 2130.5
    eugenol 537.84
    triacetin 900.21
    span 80 923.23
    1,4-butanediol 450.54
    1,1-dichloroethane 2631.12
    2-methyl-1-pentanol 1471.27
    methyl formate 385.68
    2-methyl-1-butanol 2054.25
    n-decane 369.94
    butyronitrile 1809.61
    3,7-dimethyl-1-octanol 1080.67
    1-chlorooctane 969.4
    1-chlorotetradecane 358.64
    n-nonane 435.95
    undecane 250.89
    tert-butylcyclohexane 504.65
    cyclooctane 805.16
    cyclopentanol 1723.48
    tetrahydropyran 4776.7
    tert-amyl methyl ether 1727.2
    2,5,8-trioxanonane 1173.55
    1-hexene 2663.98
    2-isopropoxyethanol 938.72
    2,2,2-trifluoroethanol 311.91
    methyl butyrate 964.86

    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