2-Hexylcyclopent-2-en-1-ol

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  • Identifiers

    CAS number
    56239-91-9

    Molecular formula
    C11H20O

    SMILES
    CCCCCCC1=CCCC1O

    Safety labels

  • Odor profile

    Fragrance
    Floral 81.16%
    Fruity 73.85%
    Jasmin 64.88%
    Sweet 46.3%
    Waxy 44.71%
    Herbal 43.76%
    Oily 43.13%
    Fresh 42.29%
    Green 40.88%
    Spicy 38.79%

     

    Flavor
    Herbal 51.62%
    Fresh 44.94%
    Fatty 37.34%
    Spicy 32.85%
    Floral 31.99%
    Waxy 30.7%
    Oily 30.4%
    Herb 29.4%
    Woody 28.76%
    Spice 28.37%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.1

    pKa est.
    9.29 (weak base)

    Molecular weight
    168.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    247°C

    Flash point

    • 105.41 ˚C est.

  • Synonyms

    • 2-Hexylcyclopent-2-en-1-ol
    • 56239-91-9
    • EINECS 260-074-7
    • SCHEMBL7112580
    • DTXSID50971670
    • VESRTLCRBMYPCA-UHFFFAOYSA-N
    • DB-251515
    • NS00054750
    • 56239-91-9

  • Applications

    2-Hexylcyclopent-2-en-1-ol (CAS 56239-91-9) is primarily used as an aromatic odorant in perfumery, serving as a fragrance component in cosmetics and personal care products; it is also used as a scent additive in household products and cleaning formulations; in industrial manufacturing it may serve as a fragrance intermediate or participate in the synthesis of other aroma compounds; and in coatings and inks it can be added to impart specific odor characteristics.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 10696.42
    methanol 7573.7
    isopropanol 11543.98
    water 0.14
    ethyl acetate 12438.52
    n-propanol 9006.96
    acetone 12332.54
    n-butanol 9355.81
    acetonitrile 8418.98
    DMF 4680.88
    toluene 2680.01
    isobutanol 7047.57
    1,4-dioxane 10766.97
    methyl acetate 6154.52
    THF 12657.39
    2-butanone 8628.56
    n-pentanol 5068.0
    sec-butanol 8263.05
    n-hexane 1989.18
    ethylene glycol 450.12
    NMP 1508.57
    cyclohexane 2177.6
    DMSO 4729.16
    n-butyl acetate 8346.95
    n-octanol 1559.49
    chloroform 8372.57
    n-propyl acetate 5191.29
    acetic acid 2813.48
    dichloromethane 7519.82
    cyclohexanone 6369.4
    propylene glycol 1048.65
    isopropyl acetate 7137.11
    DMAc 2386.36
    2-ethoxyethanol 4293.48
    isopentanol 8599.98
    n-heptane 864.53
    ethyl formate 3381.82
    1,2-dichloroethane 6133.85
    n-hexanol 6067.66
    2-methoxyethanol 7233.74
    isobutyl acetate 2964.87
    tetrachloromethane 1610.62
    n-pentyl acetate 2890.85
    transcutol 15018.96
    n-heptanol 1779.95
    ethylbenzene 1113.2
    MIBK 4740.94
    2-propoxyethanol 6479.25
    tert-butanol 12126.27
    MTBE 16213.8
    2-butoxyethanol 2915.14
    propionic acid 2897.72
    o-xylene 989.38
    formic acid 452.51
    diethyl ether 18396.03
    m-xylene 1505.13
    p-xylene 1161.14
    chlorobenzene 2319.27
    dimethyl carbonate 973.4
    n-octane 275.17
    formamide 846.33
    cyclopentanone 5177.43
    2-pentanone 9486.2
    anisole 2148.24
    cyclopentyl methyl ether 6106.17
    gamma-butyrolactone 4317.82
    1-methoxy-2-propanol 6464.97
    pyridine 6338.0
    3-pentanone 4841.51
    furfural 2733.92
    n-dodecane 150.19
    diethylene glycol 2374.01
    diisopropyl ether 4530.92
    tert-amyl alcohol 7164.63
    acetylacetone 4811.12
    n-hexadecane 176.12
    acetophenone 1396.84
    methyl propionate 5165.97
    isopentyl acetate 6166.64
    trichloroethylene 7340.6
    n-nonanol 1310.08
    cyclohexanol 4736.1
    benzyl alcohol 1446.28
    2-ethylhexanol 3102.06
    isooctanol 1540.48
    dipropyl ether 6409.69
    1,2-dichlorobenzene 1499.01
    ethyl lactate 831.81
    propylene carbonate 2536.83
    n-methylformamide 2477.56
    2-pentanol 7409.05
    n-pentane 1882.84
    1-propoxy-2-propanol 5189.45
    1-methoxy-2-propyl acetate 4230.39
    2-(2-methoxypropoxy) propanol 1617.34
    mesitylene 911.02
    ε-caprolactone 4838.65
    p-cymene 651.23
    epichlorohydrin 6653.92
    1,1,1-trichloroethane 5570.24
    2-aminoethanol 1734.92
    morpholine-4-carbaldehyde 2966.06
    sulfolane 2917.04
    2,2,4-trimethylpentane 475.72
    2-methyltetrahydrofuran 10280.34
    n-hexyl acetate 3227.07
    isooctane 592.16
    2-(2-butoxyethoxy)ethanol 2994.15
    sec-butyl acetate 3481.32
    tert-butyl acetate 5549.94
    decalin 523.37
    glycerin 987.88
    diglyme 5572.35
    acrylic acid 1396.25
    isopropyl myristate 971.31
    n-butyric acid 7545.89
    acetyl acetate 3075.7
    di(2-ethylhexyl) phthalate 550.44
    ethyl propionate 3801.85
    nitromethane 4418.86
    1,2-diethoxyethane 9319.55
    benzonitrile 2225.0
    trioctyl phosphate 480.69
    1-bromopropane 6776.27
    gamma-valerolactone 5958.69
    n-decanol 898.44
    triethyl phosphate 695.15
    4-methyl-2-pentanol 3432.13
    propionitrile 7241.36
    vinylene carbonate 1950.83
    1,1,2-trichlorotrifluoroethane 2692.19
    DMS 1452.53
    cumene 649.06
    2-octanol 1205.9
    2-hexanone 5237.48
    octyl acetate 1117.66
    limonene 1328.62
    1,2-dimethoxyethane 8530.5
    ethyl orthosilicate 841.64
    tributyl phosphate 710.86
    diacetone alcohol 3565.26
    N,N-dimethylaniline 985.15
    acrylonitrile 4849.89
    aniline 2882.65
    1,3-propanediol 3530.01
    bromobenzene 2569.37
    dibromomethane 6197.77
    1,1,2,2-tetrachloroethane 5713.32
    2-methyl-cyclohexyl acetate 1540.14
    tetrabutyl urea 744.65
    diisobutyl methanol 1664.37
    2-phenylethanol 1808.07
    styrene 1598.11
    dioctyl adipate 1009.01
    dimethyl sulfate 830.16
    ethyl butyrate 4059.2
    methyl lactate 1090.25
    butyl lactate 1411.97
    diethyl carbonate 1873.86
    propanediol butyl ether 1824.41
    triethyl orthoformate 2161.18
    p-tert-butyltoluene 695.84
    methyl 4-tert-butylbenzoate 1034.22
    morpholine 12886.04
    tert-butylamine 10182.07
    n-dodecanol 648.16
    dimethoxymethane 5911.2
    ethylene carbonate 2274.72
    cyrene 795.47
    2-ethoxyethyl acetate 3281.55
    2-ethylhexyl acetate 3937.62
    1,2,4-trichlorobenzene 1557.36
    4-methylpyridine 6114.99
    dibutyl ether 4262.7
    2,6-dimethyl-4-heptanol 1664.37
    DEF 5880.99
    dimethyl isosorbide 2026.89
    tetrachloroethylene 3900.73
    eugenol 924.69
    triacetin 1496.93
    span 80 1468.86
    1,4-butanediol 967.7
    1,1-dichloroethane 8317.12
    2-methyl-1-pentanol 3868.4
    methyl formate 1424.38
    2-methyl-1-butanol 6645.04
    n-decane 316.0
    butyronitrile 9672.97
    3,7-dimethyl-1-octanol 1837.73
    1-chlorooctane 1106.45
    1-chlorotetradecane 357.19
    n-nonane 350.74
    undecane 207.66
    tert-butylcyclohexane 554.08
    cyclooctane 588.8
    cyclopentanol 3703.46
    tetrahydropyran 15742.55
    tert-amyl methyl ether 6313.46
    2,5,8-trioxanonane 2597.71
    1-hexene 5866.64
    2-isopropoxyethanol 3123.57
    2,2,2-trifluoroethanol 513.06
    methyl butyrate 5220.24

    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