3-Ethylcyclopentan-1-one

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  • Identifiers

    CAS number
    10264-55-8

    Molecular formula
    C7H12O

    SMILES
    CCC1CCC(=O)C1

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fragrance
    Mint 70.58%
    Herbal 58.06%
    Fresh 50.7%
    Green 49.02%
    Camphoreous 47.14%
    Woody 45.8%
    Cooling 42.39%
    Ketonic 40.56%
    Musty 35.56%
    Sweet 33.86%

     

    Flavor
    Minty 63.23%
    Herbal 40.78%
    Fresh 33.6%
    Mint 29.87%
    Coconut 28.25%
    Spice 27.13%
    Medicinal 26.78%
    Sweet 26.05%
    Camphor 25.6%
    Spearmint 25.2%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.4

    pKa est.
    8.31 (weak base)

    Molecular weight
    112.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    172°C

    Flash point

    • 45.48 ˚C est.

  • Synonyms

    • 10264-55-8
    • 3-ethylcyclopentan-1-one
    • DTXSID40907968
    • RefChem:501444
    • DTXCID80836142
    • 680-787-0
    • 3-Ethylcyclopentanone
    • Cyclopentanone, 3-ethyl-
    • MFCD00045445
    • 3-ethyl-cyclopentan-1-one
    • 3-ETHYL CYCLOPENTANONE
    • SCHEMBL1523518
    • SCHEMBL6592881
    • SCHEMBL7739422
    • SCHEMBL27460794
    • AKOS009158990
    • AS-75793
    • CS-0206422
    • EN300-51491
    • W18649
    • 10264-55-8

  • Applications

    3-Ethylcyclopentan-1-one (CAS 10264-55-8) is used primarily as a synthetic building block in fragrance chemistry, serving as an intermediate to access aroma compounds for perfumery; it may also function as a fragrance precursor in flavor formulations and as a fragrance ingredient in cosmetics and personal care products; in industrial manufacturing it is evaluated as a precursor for specialty chemicals and pharmaceutical intermediates; and it can act as a versatile scaffold for the synthesis of niche polymers or resin systems used in coatings and inks.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1373.92
    methanol 1514.36
    isopropanol 1159.78
    water 4.83
    ethyl acetate 968.84
    n-propanol 996.55
    acetone 1051.84
    n-butanol 828.7
    acetonitrile 1045.51
    DMF 910.66
    toluene 345.46
    isobutanol 654.05
    1,4-dioxane 1526.95
    methyl acetate 811.82
    THF 1210.76
    2-butanone 782.67
    n-pentanol 482.58
    sec-butanol 696.02
    n-hexane 76.54
    ethylene glycol 338.24
    NMP 564.18
    cyclohexane 100.69
    DMSO 774.03
    n-butyl acetate 662.94
    n-octanol 304.35
    chloroform 2626.29
    n-propyl acetate 367.87
    acetic acid 961.55
    dichloromethane 1629.03
    cyclohexanone 834.69
    propylene glycol 458.6
    isopropyl acetate 492.4
    DMAc 551.22
    2-ethoxyethanol 649.08
    isopentanol 629.62
    n-heptane 64.44
    ethyl formate 499.25
    1,2-dichloroethane 808.4
    n-hexanol 775.65
    2-methoxyethanol 1104.72
    isobutyl acetate 251.36
    tetrachloromethane 346.89
    n-pentyl acetate 322.17
    transcutol 2618.5
    n-heptanol 303.46
    ethylbenzene 172.83
    MIBK 352.49
    2-propoxyethanol 1101.99
    tert-butanol 975.3
    MTBE 597.28
    2-butoxyethanol 537.6
    propionic acid 768.56
    o-xylene 193.24
    formic acid 367.84
    diethyl ether 710.12
    m-xylene 235.4
    p-xylene 221.25
    chlorobenzene 561.03
    dimethyl carbonate 196.97
    n-octane 25.97
    formamide 374.0
    cyclopentanone 867.2
    2-pentanone 617.16
    anisole 410.64
    cyclopentyl methyl ether 525.45
    gamma-butyrolactone 956.63
    1-methoxy-2-propanol 907.19
    pyridine 1072.69
    3-pentanone 385.83
    furfural 901.44
    n-dodecane 24.6
    diethylene glycol 809.99
    diisopropyl ether 194.31
    tert-amyl alcohol 535.25
    acetylacetone 637.71
    n-hexadecane 27.83
    acetophenone 319.65
    methyl propionate 551.81
    isopentyl acetate 505.03
    trichloroethylene 1651.62
    n-nonanol 250.01
    cyclohexanol 502.11
    benzyl alcohol 367.26
    2-ethylhexanol 336.92
    isooctanol 218.28
    dipropyl ether 343.71
    1,2-dichlorobenzene 422.06
    ethyl lactate 191.7
    propylene carbonate 544.31
    n-methylformamide 621.81
    2-pentanol 500.14
    n-pentane 77.78
    1-propoxy-2-propanol 721.96
    1-methoxy-2-propyl acetate 576.53
    2-(2-methoxypropoxy) propanol 458.54
    mesitylene 145.85
    ε-caprolactone 731.95
    p-cymene 126.51
    epichlorohydrin 1099.29
    1,1,1-trichloroethane 956.15
    2-aminoethanol 672.79
    morpholine-4-carbaldehyde 912.73
    sulfolane 700.08
    2,2,4-trimethylpentane 39.74
    2-methyltetrahydrofuran 904.36
    n-hexyl acetate 494.35
    isooctane 40.06
    2-(2-butoxyethoxy)ethanol 711.29
    sec-butyl acetate 271.62
    tert-butyl acetate 421.32
    decalin 50.08
    glycerin 535.37
    diglyme 1127.05
    acrylic acid 638.3
    isopropyl myristate 161.23
    n-butyric acid 1019.17
    acetyl acetate 476.95
    di(2-ethylhexyl) phthalate 164.89
    ethyl propionate 317.47
    nitromethane 1178.68
    1,2-diethoxyethane 750.82
    benzonitrile 601.33
    trioctyl phosphate 113.33
    1-bromopropane 581.18
    gamma-valerolactone 1152.14
    n-decanol 177.85
    triethyl phosphate 125.52
    4-methyl-2-pentanol 280.62
    propionitrile 756.22
    vinylene carbonate 555.96
    1,1,2-trichlorotrifluoroethane 749.54
    DMS 341.13
    cumene 123.54
    2-octanol 191.27
    2-hexanone 392.18
    octyl acetate 212.56
    limonene 180.87
    1,2-dimethoxyethane 803.04
    ethyl orthosilicate 131.07
    tributyl phosphate 144.41
    diacetone alcohol 484.42
    N,N-dimethylaniline 222.66
    acrylonitrile 861.92
    aniline 535.71
    1,3-propanediol 763.37
    bromobenzene 574.95
    dibromomethane 1124.74
    1,1,2,2-tetrachloroethane 1256.23
    2-methyl-cyclohexyl acetate 244.84
    tetrabutyl urea 160.91
    diisobutyl methanol 178.51
    2-phenylethanol 472.11
    styrene 233.66
    dioctyl adipate 214.1
    dimethyl sulfate 232.88
    ethyl butyrate 343.35
    methyl lactate 283.88
    butyl lactate 272.96
    diethyl carbonate 213.67
    propanediol butyl ether 510.16
    triethyl orthoformate 221.92
    p-tert-butyltoluene 124.4
    methyl 4-tert-butylbenzoate 280.65
    morpholine 1510.11
    tert-butylamine 573.33
    n-dodecanol 128.77
    dimethoxymethane 541.19
    ethylene carbonate 458.85
    cyrene 256.21
    2-ethoxyethyl acetate 514.96
    2-ethylhexyl acetate 360.27
    1,2,4-trichlorobenzene 500.72
    4-methylpyridine 886.6
    dibutyl ether 315.94
    2,6-dimethyl-4-heptanol 178.51
    DEF 513.79
    dimethyl isosorbide 540.07
    tetrachloroethylene 818.74
    eugenol 319.29
    triacetin 396.13
    span 80 412.03
    1,4-butanediol 306.09
    1,1-dichloroethane 1204.15
    2-methyl-1-pentanol 367.47
    methyl formate 413.32
    2-methyl-1-butanol 502.24
    n-decane 42.62
    butyronitrile 784.75
    3,7-dimethyl-1-octanol 298.21
    1-chlorooctane 166.92
    1-chlorotetradecane 64.68
    n-nonane 41.11
    undecane 31.45
    tert-butylcyclohexane 53.4
    cyclooctane 35.32
    cyclopentanol 570.93
    tetrahydropyran 1128.05
    tert-amyl methyl ether 336.79
    2,5,8-trioxanonane 703.77
    1-hexene 283.41
    2-isopropoxyethanol 465.93
    2,2,2-trifluoroethanol 311.77
    methyl butyrate 399.77

    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