Cyclopentanol, acetate

Overview IFRA Request a quote

  • Identifiers

    CAS number
    933-05-1

    Molecular formula
    C7H12O2

    SMILES
    CC(=O)OC1CCCC1

  • Odor profile

    Fragrance
    Fruity 97.0%
    Sweet 71.89%
    Banana 64.53%
    Ethereal 59.18%
    Apple 58.96%
    Green 40.4%
    Rummy 40.39%
    Pineapple 39.9%
    Floral 36.62%
    Fresh 35.03%

     

    Flavor
    Fruity 80.44%
    Sweet 74.36%
    Fruit 38.57%
    Herbal 34.32%
    Tropical 33.84%
    Musty 31.71%
    Raspberry 31.67%
    Ethereal 31.5%
    Minty 29.49%
    Banana 27.96%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.4

    pKa est.
    8.07 (weak base)

    Molecular weight
    128.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    160°C

    Flash point

    • 57.73 ˚C est.

  • Synonyms

    • Cyclopentyl acetate
    • 933-05-1
    • Cyclopentanol, acetate
    • Acetic acid cyclopentyl ester
    • EINECS 213-264-9
    • 2-CYCLOPENTYL ACETATE
    • SCHEMBL407811
    • cyclopentyl acetate, AldrichCPR
    • YFPCLQKFNXUAAK-UHFFFAOYSA-
    • DTXSID20239370
    • NSC55885
    • NSC 55885
    • NSC-55885
    • AKOS006241141
    • NS00039547
    • InChI=1/C7H12O2/c1-6(8)9-7-4-2-3-5-7/h7H,2-5H2,1H3

  • Applications

    Cyclopentanol, acetate (CAS 933-05-1, cyclopentyl acetate) is primarily used as an odorant in the fragrance industry and as a fragrance ingredient in cosmetics and personal care. It also serves as a solvent for coatings, inks, and adhesives in industrial manufacturing. As a chemical intermediate, it is used in the synthesis of other cyclopentyl derivatives. In some formulations, it can act as a processing solvent or a solvent intermediate for polymer and coating systems, and its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1078.91
    methanol 1915.89
    isopropanol 985.49
    water 9.87
    ethyl acetate 542.14
    n-propanol 939.18
    acetone 1115.99
    n-butanol 819.03
    acetonitrile 833.41
    DMF 1612.11
    toluene 328.13
    isobutanol 751.64
    1,4-dioxane 973.72
    methyl acetate 642.53
    THF 1430.75
    2-butanone 747.42
    n-pentanol 583.23
    sec-butanol 852.76
    n-hexane 164.2
    ethylene glycol 493.4
    NMP 1293.01
    cyclohexane 129.94
    DMSO 1354.58
    n-butyl acetate 383.98
    n-octanol 431.67
    chloroform 2412.78
    n-propyl acetate 361.2
    acetic acid 1134.3
    dichloromethane 1788.24
    cyclohexanone 972.08
    propylene glycol 646.47
    isopropyl acetate 410.93
    DMAc 1182.4
    2-ethoxyethanol 695.13
    isopentanol 674.96
    n-heptane 79.86
    ethyl formate 437.18
    1,2-dichloroethane 863.75
    n-hexanol 664.36
    2-methoxyethanol 1247.23
    isobutyl acetate 280.63
    tetrachloromethane 327.33
    n-pentyl acetate 346.6
    transcutol 1525.6
    n-heptanol 313.36
    ethylbenzene 216.02
    MIBK 460.62
    2-propoxyethanol 945.84
    tert-butanol 1025.05
    MTBE 712.95
    2-butoxyethanol 506.59
    propionic acid 858.69
    o-xylene 244.97
    formic acid 440.72
    diethyl ether 570.94
    m-xylene 273.76
    p-xylene 296.12
    chlorobenzene 574.63
    dimethyl carbonate 273.73
    n-octane 43.49
    formamide 362.55
    cyclopentanone 1237.69
    2-pentanone 641.82
    anisole 444.31
    cyclopentyl methyl ether 673.63
    gamma-butyrolactone 1305.59
    1-methoxy-2-propanol 1046.51
    pyridine 798.18
    3-pentanone 482.19
    furfural 1057.68
    n-dodecane 44.49
    diethylene glycol 785.02
    diisopropyl ether 219.42
    tert-amyl alcohol 816.45
    acetylacetone 725.9
    n-hexadecane 49.49
    acetophenone 421.35
    methyl propionate 514.14
    isopentyl acetate 366.26
    trichloroethylene 1651.19
    n-nonanol 324.68
    cyclohexanol 636.01
    benzyl alcohol 408.58
    2-ethylhexanol 328.97
    isooctanol 261.12
    dipropyl ether 301.71
    1,2-dichlorobenzene 525.27
    ethyl lactate 283.7
    propylene carbonate 726.28
    n-methylformamide 750.62
    2-pentanol 573.44
    n-pentane 128.62
    1-propoxy-2-propanol 627.63
    1-methoxy-2-propyl acetate 446.49
    2-(2-methoxypropoxy) propanol 469.53
    mesitylene 186.97
    ε-caprolactone 790.47
    p-cymene 147.32
    epichlorohydrin 1159.59
    1,1,1-trichloroethane 939.5
    2-aminoethanol 749.23
    morpholine-4-carbaldehyde 1115.26
    sulfolane 1602.88
    2,2,4-trimethylpentane 77.06
    2-methyltetrahydrofuran 980.35
    n-hexyl acetate 620.5
    isooctane 61.98
    2-(2-butoxyethoxy)ethanol 598.24
    sec-butyl acetate 281.07
    tert-butyl acetate 467.2
    decalin 94.29
    glycerin 797.87
    diglyme 910.88
    acrylic acid 797.98
    isopropyl myristate 221.4
    n-butyric acid 917.48
    acetyl acetate 419.66
    di(2-ethylhexyl) phthalate 238.25
    ethyl propionate 337.21
    nitromethane 1201.06
    1,2-diethoxyethane 414.82
    benzonitrile 603.09
    trioctyl phosphate 174.35
    1-bromopropane 685.33
    gamma-valerolactone 1208.89
    n-decanol 229.56
    triethyl phosphate 169.67
    4-methyl-2-pentanol 336.47
    propionitrile 691.92
    vinylene carbonate 668.23
    1,1,2-trichlorotrifluoroethane 1008.09
    DMS 420.75
    cumene 171.07
    2-octanol 250.93
    2-hexanone 475.54
    octyl acetate 286.37
    limonene 217.93
    1,2-dimethoxyethane 929.24
    ethyl orthosilicate 164.11
    tributyl phosphate 204.55
    diacetone alcohol 590.89
    N,N-dimethylaniline 316.72
    acrylonitrile 850.01
    aniline 472.54
    1,3-propanediol 769.65
    bromobenzene 633.56
    dibromomethane 1233.92
    1,1,2,2-tetrachloroethane 1440.6
    2-methyl-cyclohexyl acetate 285.71
    tetrabutyl urea 267.3
    diisobutyl methanol 196.25
    2-phenylethanol 385.41
    styrene 286.08
    dioctyl adipate 305.75
    dimethyl sulfate 513.77
    ethyl butyrate 280.98
    methyl lactate 447.07
    butyl lactate 332.65
    diethyl carbonate 204.24
    propanediol butyl ether 642.28
    triethyl orthoformate 213.69
    p-tert-butyltoluene 150.63
    methyl 4-tert-butylbenzoate 412.68
    morpholine 1066.79
    tert-butylamine 641.12
    n-dodecanol 173.05
    dimethoxymethane 726.95
    ethylene carbonate 528.44
    cyrene 418.65
    2-ethoxyethyl acetate 396.05
    2-ethylhexyl acetate 274.0
    1,2,4-trichlorobenzene 640.11
    4-methylpyridine 826.86
    dibutyl ether 333.56
    2,6-dimethyl-4-heptanol 196.25
    DEF 727.22
    dimethyl isosorbide 639.55
    tetrachloroethylene 889.04
    eugenol 409.46
    triacetin 501.52
    span 80 464.18
    1,4-butanediol 400.31
    1,1-dichloroethane 1109.51
    2-methyl-1-pentanol 500.55
    methyl formate 568.85
    2-methyl-1-butanol 658.54
    n-decane 71.16
    butyronitrile 675.17
    3,7-dimethyl-1-octanol 354.13
    1-chlorooctane 252.36
    1-chlorotetradecane 101.06
    n-nonane 74.26
    undecane 53.82
    tert-butylcyclohexane 102.08
    cyclooctane 53.05
    cyclopentanol 819.21
    tetrahydropyran 854.37
    tert-amyl methyl ether 511.13
    2,5,8-trioxanonane 632.27
    1-hexene 415.96
    2-isopropoxyethanol 515.29
    2,2,2-trifluoroethanol 363.79
    methyl butyrate 466.07

    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