Cyclopentanol

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  • Identifiers

    CAS number
    96-41-3

    Molecular formula
    C5H10O

    SMILES
    C1CCC(C1)O

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fermented 65.67%
    Solvent 64.39%
    Alcoholic 58.67%
    Ethereal 56.37%
    Mint 46.73%
    Camphoreous 41.42%
    Musty 37.88%
    Oily 37.1%
    Fruity 29.56%
    Phenolic 27.86%

    Scent© AI

  • Properties

    XLogP3-AA
    0.8

    pKa est.
    8.85 (weak base)

    Molecular weight
    86.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • -19 °C

    Boiling point

    • 140.4 °C @ 760 MM HG

    Flash point est.
    47.46 ˚C

    Flash point expt.

    • 124 °F (NFPA, 2010)
    • 124 °F (51 °C) (CLOSED CUP)

    Solubility expt.

    • SOL IN ALCOHOL, ETHER, ACETONE; SLIGHTLY SOL IN WATER
    • Sparingly soluble in water. Soluble in ethanol.

  • Synonyms

    • CYCLOPENTANOL
    • 96-41-3
    • Cyclopentyl alcohol
    • Hydroxycyclopentane
    • 1-cyclopentanol
    • MFCD00001363
    • UN2244
    • HSDB 2821
    • EINECS 202-504-8
    • UNII-1L43Q07TBU
    • NSC 49117
    • 1L43Q07TBU
    • DTXSID1033371
    • CHEBI:16133
    • AI3-25264
    • NSC-49117
    • CYCLOPENTANOL [MI]
    • DTXCID9013371
    • EC 202-504-8
    • UN 2244
    • UN-2244
    • CAS-96-41-3
    • cydopentanol
    • YEG
    • 1-cyclopentyl alcohol
    • Cyclopentanol, 99%
    • MLS001055338
    • CHEMBL288998
    • BDBM36176
    • Cyclopentanol, analytical standard
    • HMS3039M14
    • BCP30892
    • NSC49117
    • STR07441
    • Tox21_200109
    • Tox21_303563
    • STL280357
    • AKOS000118901
    • CS-W004073
    • NCGC00091006-01
    • NCGC00091006-02
    • NCGC00257249-01
    • NCGC00257663-01
    • SMR000673565
    • NS00006348
    • Cyclopentanol [UN2244] [Flammable liquid]
    • EN300-19348
    • C02020
    • A845587
    • Q284201
    • Hydroxycyclopentane;Cyclopentyl alcohol;1-Cyclopentanol
    • F0001-2295
    • 202-504-8
    • MFW

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 754.84
    methanol 902.04
    isopropanol 559.74
    water 13.38
    ethyl acetate 223.58
    n-propanol 564.78
    acetone 278.28
    n-butanol 549.31
    acetonitrile 275.62
    DMF 285.9
    toluene 45.53
    isobutanol 353.02
    1,4-dioxane 283.57
    methyl acetate 218.46
    THF 554.58
    2-butanone 235.88
    n-pentanol 302.86
    sec-butanol 421.34
    n-hexane 49.82
    ethylene glycol 236.68
    NMP 252.85
    cyclohexane 37.7
    DMSO 288.78
    n-butyl acetate 225.31
    n-octanol 156.58
    chloroform 693.02
    n-propyl acetate 150.01
    acetic acid 741.89
    dichloromethane 367.46
    cyclohexanone 254.17
    propylene glycol 377.66
    isopropyl acetate 144.68
    DMAc 200.89
    2-ethoxyethanol 324.91
    isopentanol 371.3
    n-heptane 53.77
    ethyl formate 195.34
    1,2-dichloroethane 172.76
    n-hexanol 356.18
    2-methoxyethanol 593.06
    isobutyl acetate 95.82
    tetrachloromethane 141.03
    n-pentyl acetate 146.45
    transcutol 747.03
    n-heptanol 192.24
    ethylbenzene 31.01
    MIBK 125.24
    2-propoxyethanol 438.81
    tert-butanol 499.96
    MTBE 194.0
    2-butoxyethanol 327.69
    propionic acid 487.29
    o-xylene 36.17
    formic acid 313.41
    diethyl ether 196.47
    m-xylene 39.94
    p-xylene 45.82
    chlorobenzene 98.59
    dimethyl carbonate 59.99
    n-octane 21.21
    formamide 292.39
    cyclopentanone 376.91
    2-pentanone 207.22
    anisole 80.76
    cyclopentyl methyl ether 199.95
    gamma-butyrolactone 440.77
    1-methoxy-2-propanol 449.42
    pyridine 249.16
    3-pentanone 121.29
    furfural 340.08
    n-dodecane 14.44
    diethylene glycol 342.7
    diisopropyl ether 64.27
    tert-amyl alcohol 348.9
    acetylacetone 155.39
    n-hexadecane 14.81
    acetophenone 79.1
    methyl propionate 162.54
    isopentyl acetate 174.58
    trichloroethylene 360.98
    n-nonanol 132.99
    cyclohexanol 237.19
    benzyl alcohol 106.97
    2-ethylhexanol 189.69
    isooctanol 143.67
    dipropyl ether 171.92
    1,2-dichlorobenzene 87.09
    ethyl lactate 103.36
    propylene carbonate 263.69
    n-methylformamide 302.88
    2-pentanol 323.91
    n-pentane 50.24
    1-propoxy-2-propanol 365.09
    1-methoxy-2-propyl acetate 162.0
    2-(2-methoxypropoxy) propanol 183.29
    mesitylene 28.23
    ε-caprolactone 248.83
    p-cymene 41.25
    epichlorohydrin 320.77
    1,1,1-trichloroethane 213.17
    2-aminoethanol 475.88
    morpholine-4-carbaldehyde 264.88
    sulfolane 344.36
    2,2,4-trimethylpentane 26.47
    2-methyltetrahydrofuran 347.68
    n-hexyl acetate 174.01
    isooctane 23.42
    2-(2-butoxyethoxy)ethanol 302.72
    sec-butyl acetate 95.05
    tert-butyl acetate 139.71
    decalin 19.72
    glycerin 445.14
    diglyme 416.23
    acrylic acid 413.31
    isopropyl myristate 64.83
    n-butyric acid 618.11
    acetyl acetate 129.18
    di(2-ethylhexyl) phthalate 67.73
    ethyl propionate 113.06
    nitromethane 453.29
    1,2-diethoxyethane 187.23
    benzonitrile 134.03
    trioctyl phosphate 59.65
    1-bromopropane 149.57
    gamma-valerolactone 371.78
    n-decanol 94.11
    triethyl phosphate 60.27
    4-methyl-2-pentanol 170.83
    propionitrile 276.1
    vinylene carbonate 214.48
    1,1,2-trichlorotrifluoroethane 388.86
    DMS 84.56
    cumene 30.11
    2-octanol 116.6
    2-hexanone 146.29
    octyl acetate 86.94
    limonene 64.66
    1,2-dimethoxyethane 276.11
    ethyl orthosilicate 66.84
    tributyl phosphate 67.74
    diacetone alcohol 213.79
    N,N-dimethylaniline 58.44
    acrylonitrile 293.04
    aniline 142.57
    1,3-propanediol 533.66
    bromobenzene 79.14
    dibromomethane 268.4
    1,1,2,2-tetrachloroethane 336.12
    2-methyl-cyclohexyl acetate 105.09
    tetrabutyl urea 73.82
    diisobutyl methanol 98.31
    2-phenylethanol 125.76
    styrene 41.12
    dioctyl adipate 85.51
    dimethyl sulfate 78.09
    ethyl butyrate 154.54
    methyl lactate 144.04
    butyl lactate 151.06
    diethyl carbonate 88.97
    propanediol butyl ether 292.38
    triethyl orthoformate 110.61
    p-tert-butyltoluene 41.34
    methyl 4-tert-butylbenzoate 115.29
    morpholine 395.18
    tert-butylamine 339.52
    n-dodecanol 70.19
    dimethoxymethane 166.2
    ethylene carbonate 181.08
    cyrene 118.7
    2-ethoxyethyl acetate 149.59
    2-ethylhexyl acetate 130.33
    1,2,4-trichlorobenzene 101.46
    4-methylpyridine 170.87
    dibutyl ether 137.46
    2,6-dimethyl-4-heptanol 98.31
    DEF 180.3
    dimethyl isosorbide 203.93
    tetrachloroethylene 259.0
    eugenol 127.47
    triacetin 147.99
    span 80 214.05
    1,4-butanediol 208.8
    1,1-dichloroethane 246.41
    2-methyl-1-pentanol 205.35
    methyl formate 173.85
    2-methyl-1-butanol 320.16
    n-decane 25.92
    butyronitrile 319.01
    3,7-dimethyl-1-octanol 143.5
    1-chlorooctane 70.4
    1-chlorotetradecane 26.59
    n-nonane 26.31
    undecane 18.42
    tert-butylcyclohexane 23.49
    cyclooctane 15.08
    cyclopentanol 322.74
    tetrahydropyran 299.14
    tert-amyl methyl ether 135.06
    2,5,8-trioxanonane 264.95
    1-hexene 130.45
    2-isopropoxyethanol 212.19
    2,2,2-trifluoroethanol 267.39
    methyl butyrate 161.71

    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