2-Butyl-5,6-dihydro-2,4-dimethyl-2H-pyran

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  • Identifiers

    CAS number
    62062-85-5

    Molecular formula
    C11H20O

    SMILES
    CCCCC1(C=C(CCO1)C)C

    Safety labels

  • Odor profile

    Fragrance
    Floral 72.73%
    Herbal 63.07%
    Fresh 50.21%
    Green 50.08%
    Citrus 49.3%
    Spicy 46.27%
    Fruity 39.77%
    Lemon 37.32%
    Mint 36.94%
    Rose 35.45%

     

    Flavor
    Green 43.59%
    Herbal 39.08%
    Earthy 30.93%
    Woody 29.91%
    Minty 26.79%
    Spicy 26.56%
    Fruity 25.2%
    Herb 23.8%
    Spice 21.89%
    Fresh 21.52%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.7

    pKa est.
    9.54 (weak base)

    Molecular weight
    168.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Boiling point est.
    199°C

    Flash point

    • 67.94 ˚C est.

  • Synonyms

    • 2-Butyl-5,6-dihydro-2,4-dimethyl-2H-pyran
    • 62062-85-5
    • EINECS 263-394-5
    • RefChem:468118
    • 263-394-5
    • 6-butyl-4,6-dimethyl-3,6-dihydro-2H-pyran
    • SCHEMBL26977488
    • DTXSID40866905
    • UQKWXXUNZGHJMP-UHFFFAOYSA-N
    • DB-364957
    • NS00055870
    • 62062-85-5

  • Applications

    2-Butyl-5,6-dihydro-2,4-dimethyl-2H-pyran is typically used as a fragrance ingredient in perfumery and cosmetics, acting as an odorant in perfumes, lotions, and other personal care products. It is also considered a chemical building block or intermediate for synthesizing other aroma compounds in the fragrance industry. Additionally, it may be evaluated for flavor applications in food processing at a research stage, and could appear in formulations related to coatings, paints, or adhesives where scent release is desired, subject to regulatory limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1632.01
    methanol 1290.8
    isopropanol 1640.7
    water 1.46
    ethyl acetate 1217.84
    n-propanol 1638.95
    acetone 901.25
    n-butanol 1951.1
    acetonitrile 880.23
    DMF 740.76
    toluene 1346.39
    isobutanol 1372.43
    1,4-dioxane 2510.45
    methyl acetate 916.93
    THF 2328.85
    2-butanone 1044.13
    n-pentanol 1292.73
    sec-butanol 1610.83
    n-hexane 1262.7
    ethylene glycol 217.91
    NMP 788.15
    cyclohexane 1786.16
    DMSO 623.08
    n-butyl acetate 1466.26
    n-octanol 1065.07
    chloroform 4073.75
    n-propyl acetate 645.46
    acetic acid 778.53
    dichloromethane 2498.97
    cyclohexanone 1697.71
    propylene glycol 391.27
    isopropyl acetate 871.19
    DMAc 804.86
    2-ethoxyethanol 881.44
    isopentanol 1704.48
    n-heptane 1023.81
    ethyl formate 548.16
    1,2-dichloroethane 1375.18
    n-hexanol 2764.83
    2-methoxyethanol 1193.67
    isobutyl acetate 539.52
    tetrachloromethane 988.56
    n-pentyl acetate 810.79
    transcutol 2779.76
    n-heptanol 930.25
    ethylbenzene 604.63
    MIBK 719.14
    2-propoxyethanol 1855.13
    tert-butanol 1960.15
    MTBE 2076.41
    2-butoxyethanol 883.05
    propionic acid 759.22
    o-xylene 752.04
    formic acid 185.67
    diethyl ether 2291.29
    m-xylene 834.5
    p-xylene 703.33
    chlorobenzene 1143.67
    dimethyl carbonate 234.83
    n-octane 302.18
    formamide 180.27
    cyclopentanone 1117.09
    2-pentanone 1022.32
    anisole 709.89
    cyclopentyl methyl ether 1781.23
    gamma-butyrolactone 1029.3
    1-methoxy-2-propanol 1072.94
    pyridine 1417.63
    3-pentanone 864.69
    furfural 850.82
    n-dodecane 200.53
    diethylene glycol 847.78
    diisopropyl ether 846.12
    tert-amyl alcohol 1646.29
    acetylacetone 689.11
    n-hexadecane 225.84
    acetophenone 516.54
    methyl propionate 735.99
    isopentyl acetate 1306.4
    trichloroethylene 2157.06
    n-nonanol 880.3
    cyclohexanol 1985.58
    benzyl alcohol 573.73
    2-ethylhexanol 1537.63
    isooctanol 693.3
    dipropyl ether 1485.36
    1,2-dichlorobenzene 860.24
    ethyl lactate 302.54
    propylene carbonate 741.57
    n-methylformamide 366.78
    2-pentanol 1547.22
    n-pentane 1096.68
    1-propoxy-2-propanol 1387.82
    1-methoxy-2-propyl acetate 941.11
    2-(2-methoxypropoxy) propanol 769.95
    mesitylene 560.96
    ε-caprolactone 1438.11
    p-cymene 519.42
    epichlorohydrin 1366.17
    1,1,1-trichloroethane 1901.75
    2-aminoethanol 515.46
    morpholine-4-carbaldehyde 1030.52
    sulfolane 932.37
    2,2,4-trimethylpentane 411.39
    2-methyltetrahydrofuran 2392.45
    n-hexyl acetate 1317.59
    isooctane 311.29
    2-(2-butoxyethoxy)ethanol 1076.43
    sec-butyl acetate 561.3
    tert-butyl acetate 885.09
    decalin 510.74
    glycerin 393.83
    diglyme 1538.98
    acrylic acid 478.07
    isopropyl myristate 520.35
    n-butyric acid 1349.09
    acetyl acetate 632.38
    di(2-ethylhexyl) phthalate 398.44
    ethyl propionate 580.53
    nitromethane 646.62
    1,2-diethoxyethane 1361.49
    benzonitrile 799.05
    trioctyl phosphate 324.34
    1-bromopropane 1762.21
    gamma-valerolactone 1263.11
    n-decanol 642.37
    triethyl phosphate 319.79
    4-methyl-2-pentanol 813.45
    propionitrile 1038.43
    vinylene carbonate 646.89
    1,1,2-trichlorotrifluoroethane 949.96
    DMS 551.02
    cumene 432.69
    2-octanol 707.62
    2-hexanone 781.11
    octyl acetate 637.89
    limonene 936.23
    1,2-dimethoxyethane 1411.44
    ethyl orthosilicate 370.66
    tributyl phosphate 386.34
    diacetone alcohol 718.44
    N,N-dimethylaniline 509.47
    acrylonitrile 741.1
    aniline 996.2
    1,3-propanediol 756.52
    bromobenzene 1327.43
    dibromomethane 2201.99
    1,1,2,2-tetrachloroethane 2034.59
    2-methyl-cyclohexyl acetate 689.92
    tetrabutyl urea 439.65
    diisobutyl methanol 650.94
    2-phenylethanol 841.69
    styrene 690.15
    dioctyl adipate 547.52
    dimethyl sulfate 270.44
    ethyl butyrate 786.32
    methyl lactate 302.3
    butyl lactate 486.41
    diethyl carbonate 460.83
    propanediol butyl ether 743.56
    triethyl orthoformate 604.47
    p-tert-butyltoluene 507.15
    methyl 4-tert-butylbenzoate 580.16
    morpholine 2455.75
    tert-butylamine 1769.35
    n-dodecanol 491.96
    dimethoxymethane 746.84
    ethylene carbonate 646.58
    cyrene 444.33
    2-ethoxyethyl acetate 804.1
    2-ethylhexyl acetate 1130.09
    1,2,4-trichlorobenzene 944.29
    4-methylpyridine 1550.43
    dibutyl ether 1247.57
    2,6-dimethyl-4-heptanol 650.94
    DEF 958.68
    dimethyl isosorbide 906.6
    tetrachloroethylene 1442.59
    eugenol 496.13
    triacetin 783.52
    span 80 802.44
    1,4-butanediol 334.98
    1,1-dichloroethane 1839.61
    2-methyl-1-pentanol 1151.65
    methyl formate 265.22
    2-methyl-1-butanol 1627.28
    n-decane 362.88
    butyronitrile 1364.34
    3,7-dimethyl-1-octanol 940.91
    1-chlorooctane 869.6
    1-chlorotetradecane 341.17
    n-nonane 415.4
    undecane 254.37
    tert-butylcyclohexane 473.02
    cyclooctane 674.33
    cyclopentanol 1253.42
    tetrahydropyran 3432.16
    tert-amyl methyl ether 1439.42
    2,5,8-trioxanonane 1020.88
    1-hexene 1784.94
    2-isopropoxyethanol 736.33
    2,2,2-trifluoroethanol 209.37
    methyl butyrate 701.47

    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