2-Cyclopentene-1-acetic acid, cyclohexyl ester

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  • Identifiers

    CAS number
    65405-69-8

    Molecular formula
    C13H20O2

    SMILES
    C1CCC(CC1)OC(=O)CC2CCC=C2

    Safety labels

  • Odor profile

    Fragrance
    Fruity 88.59%
    Sweet 50.08%
    Floral 44.73%
    Peach 43.02%
    Pineapple 41.85%
    Green 39.94%
    Herbal 36.51%
    Balsamic 34.84%
    Rose 33.59%
    Waxy 32.21%

     

    Flavor
    Fruity 45.02%
    Fruit 27.56%
    Animal 24.17%
    Sweet 22.96%
    Floral 22.86%
    Pineapple 22.4%
    Rose 21.1%
    Plant 21.0%
    Tropical 20.52%
    Fatty 20.39%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    3.3

    pKa est.
    6.96 (neutral)

    Molecular weight
    208.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very slow

    Boiling point est.
    282°C

    Flash point

    • 128.39 ˚C est.

  • Synonyms

    • Cyclohexyl cyclopent-2-ene-1-acetate
    • 65405-69-8
    • Cyclohexyl 2-cyclopentenylacetate
    • Cyclohexyl cyclopentenylacetate
    • EINECS 265-740-0
    • 2-Cyclopentene-1-acetic acid, cyclohexyl ester
    • DTXSID5052337
    • RefChem:470985
    • DTXCID5030909
    • 265-740-0
    • cyclohexyl 2-cyclopent-2-en-1-ylacetate
    • CYCLOHEXYL 2-(CYCLOPENT-2-EN-1-YL)ACETATE
    • starbld0019521
    • cyclohexyl cyclopentenyl acetate
    • SCHEMBL20471513
    • QIRQXZYFSAUIFV-UHFFFAOYSA-N
    • AKOS017180828
    • Cyclohexyl (cyclopent-2-en-1-yl)acetate
    • NS00012161
    • 65405-69-8

  • Applications

    2-Cyclopentene-1-acetic acid, cyclohexyl ester (CAS 65405-69-8) is used as an intermediate in organic synthesis and as a fragrance ingredient and fixative in perfumery; it may be employed as a plasticizer or processing aid in polymer formulations; acts as a solvent or additive in coatings, paints, and inks; serves as a fragrance component in cosmetics and personal care products; and can function as a solvent or cleaning aid in household formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 568.62
    methanol 531.24
    isopropanol 536.1
    water 0.3
    ethyl acetate 485.99
    n-propanol 485.99
    acetone 656.59
    n-butanol 486.22
    acetonitrile 396.99
    DMF 756.52
    toluene 323.64
    isobutanol 426.49
    1,4-dioxane 927.03
    methyl acetate 371.14
    THF 1222.86
    2-butanone 481.74
    n-pentanol 346.63
    sec-butanol 442.66
    n-hexane 90.66
    ethylene glycol 70.76
    NMP 558.74
    cyclohexane 184.77
    DMSO 649.24
    n-butyl acetate 433.27
    n-octanol 197.61
    chloroform 2235.64
    n-propyl acetate 324.55
    acetic acid 535.3
    dichloromethane 1524.24
    cyclohexanone 788.27
    propylene glycol 164.43
    isopropyl acetate 368.75
    DMAc 610.18
    2-ethoxyethanol 347.85
    isopentanol 464.93
    n-heptane 44.29
    ethyl formate 296.27
    1,2-dichloroethane 884.94
    n-hexanol 404.4
    2-methoxyethanol 540.9
    isobutyl acetate 259.78
    tetrachloromethane 189.82
    n-pentyl acetate 274.65
    transcutol 1565.98
    n-heptanol 177.72
    ethylbenzene 203.41
    MIBK 337.38
    2-propoxyethanol 530.64
    tert-butanol 552.57
    MTBE 451.57
    2-butoxyethanol 322.61
    propionic acid 367.56
    o-xylene 192.7
    formic acid 116.72
    diethyl ether 474.86
    m-xylene 216.56
    p-xylene 260.65
    chlorobenzene 545.54
    dimethyl carbonate 156.28
    n-octane 23.69
    formamide 164.66
    cyclopentanone 786.76
    2-pentanone 443.03
    anisole 368.78
    cyclopentyl methyl ether 484.36
    gamma-butyrolactone 778.17
    1-methoxy-2-propanol 494.66
    pyridine 845.18
    3-pentanone 305.72
    furfural 699.41
    n-dodecane 25.24
    diethylene glycol 347.3
    diisopropyl ether 170.79
    tert-amyl alcohol 397.27
    acetylacetone 480.86
    n-hexadecane 29.11
    acetophenone 329.93
    methyl propionate 311.46
    isopentyl acetate 409.1
    trichloroethylene 1560.83
    n-nonanol 185.42
    cyclohexanol 485.02
    benzyl alcohol 301.49
    2-ethylhexanol 229.73
    isooctanol 161.46
    dipropyl ether 241.44
    1,2-dichlorobenzene 465.67
    ethyl lactate 179.81
    propylene carbonate 499.38
    n-methylformamide 280.76
    2-pentanol 356.36
    n-pentane 70.77
    1-propoxy-2-propanol 414.43
    1-methoxy-2-propyl acetate 378.16
    2-(2-methoxypropoxy) propanol 362.32
    mesitylene 150.07
    ε-caprolactone 636.31
    p-cymene 116.41
    epichlorohydrin 911.03
    1,1,1-trichloroethane 745.36
    2-aminoethanol 199.24
    morpholine-4-carbaldehyde 609.17
    sulfolane 742.94
    2,2,4-trimethylpentane 40.26
    2-methyltetrahydrofuran 765.64
    n-hexyl acetate 396.7
    isooctane 38.36
    2-(2-butoxyethoxy)ethanol 517.79
    sec-butyl acetate 261.57
    tert-butyl acetate 358.24
    decalin 82.65
    glycerin 200.41
    diglyme 818.61
    acrylic acid 299.38
    isopropyl myristate 166.16
    n-butyric acid 663.51
    acetyl acetate 327.21
    di(2-ethylhexyl) phthalate 165.33
    ethyl propionate 274.03
    nitromethane 602.23
    1,2-diethoxyethane 464.62
    benzonitrile 472.82
    trioctyl phosphate 116.03
    1-bromopropane 567.8
    gamma-valerolactone 854.44
    n-decanol 137.48
    triethyl phosphate 139.35
    4-methyl-2-pentanol 231.97
    propionitrile 396.06
    vinylene carbonate 474.93
    1,1,2-trichlorotrifluoroethane 611.02
    DMS 284.28
    cumene 146.91
    2-octanol 136.63
    2-hexanone 354.17
    octyl acetate 203.02
    limonene 165.56
    1,2-dimethoxyethane 644.48
    ethyl orthosilicate 139.1
    tributyl phosphate 142.78
    diacetone alcohol 373.34
    N,N-dimethylaniline 244.58
    acrylonitrile 427.42
    aniline 405.3
    1,3-propanediol 348.84
    bromobenzene 614.02
    dibromomethane 1057.48
    1,1,2,2-tetrachloroethane 1406.19
    2-methyl-cyclohexyl acetate 251.53
    tetrabutyl urea 174.27
    diisobutyl methanol 145.39
    2-phenylethanol 305.18
    styrene 288.11
    dioctyl adipate 234.36
    dimethyl sulfate 206.88
    ethyl butyrate 291.26
    methyl lactate 201.49
    butyl lactate 239.15
    diethyl carbonate 213.13
    propanediol butyl ether 338.17
    triethyl orthoformate 213.87
    p-tert-butyltoluene 109.03
    methyl 4-tert-butylbenzoate 286.82
    morpholine 951.07
    tert-butylamine 357.85
    n-dodecanol 105.43
    dimethoxymethane 426.29
    ethylene carbonate 421.4
    cyrene 260.63
    2-ethoxyethyl acetate 340.61
    2-ethylhexyl acetate 306.65
    1,2,4-trichlorobenzene 523.59
    4-methylpyridine 750.91
    dibutyl ether 266.09
    2,6-dimethyl-4-heptanol 145.39
    DEF 417.45
    dimethyl isosorbide 480.11
    tetrachloroethylene 829.85
    eugenol 300.01
    triacetin 361.07
    span 80 338.09
    1,4-butanediol 142.15
    1,1-dichloroethane 932.66
    2-methyl-1-pentanol 319.66
    methyl formate 219.28
    2-methyl-1-butanol 397.12
    n-decane 40.06
    butyronitrile 486.27
    3,7-dimethyl-1-octanol 226.96
    1-chlorooctane 155.89
    1-chlorotetradecane 68.4
    n-nonane 36.68
    undecane 30.47
    tert-butylcyclohexane 66.06
    cyclooctane 51.01
    cyclopentanol 451.03
    tetrahydropyran 979.88
    tert-amyl methyl ether 276.66
    2,5,8-trioxanonane 563.27
    1-hexene 284.78
    2-isopropoxyethanol 287.2
    2,2,2-trifluoroethanol 152.41
    methyl butyrate 376.88

    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