2-Pentanone, 3-ethyl-

Overview IFRA Request a quote

  • Identifiers

    CAS number
    6137-03-7

    Molecular formula
    C7H14O

    SMILES
    CCC(CC)C(=O)C

    Safety labels

    Acute Toxic
    Acute Toxic

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Fruity 87.15%
    Ketonic 67.58%
    Herbal 66.89%
    Sweet 57.0%
    Cheesy 53.09%
    Ethereal 47.63%
    Mint 40.31%
    Fermented 39.49%
    Pungent 39.23%
    Oily 37.26%

     

    Flavor
    Fruity 67.44%
    Sweet 54.25%
    Herbal 50.77%
    Green 45.74%
    Ethereal 31.26%
    Fruit 29.68%
    Herb 29.05%
    Berry 28.91%
    Earthy 28.62%
    Woody 28.17%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.7

    pKa est.
    9.34 (weak base)

    Molecular weight
    114.19 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    136°C

    Flash point

    • 32.3 ˚C est.

  • Synonyms

    • 3-Ethyl-2-pentanone
    • 6137-03-7
    • 2-Pentanone, 3-ethyl-
    • EINECS 228-112-7
    • DTXSID5064122
    • RefChem:88973
    • DTXCID4043018
    • GSNKRSKIWFBWEG-UHFFFAOYSA-N
    • 3-Ethylpentan-2-one
    • MFCD00027080
    • 3-Acetylpentane
    • diethyl acetone
    • J3XWN3UJ4M
    • 3-Ethyl-2-penten-2-ol
    • SCHEMBL541995
    • 3-Ethyl-2-hydroxy-2-pentene
    • SCHEMBL4253560
    • SCHEMBL6364039
    • SCHEMBL7213040
    • 3-Ethyl-2-pentanone, AldrichCPR
    • AKOS010228404
    • FS-5696
    • SY238025
    • DB-053857
    • CS-0149235
    • NS00045506
    • N12324
    • EN300-1259678
    • F046100
    • 6137-03-7

  • Applications

    2-Pentanone, 3-ethyl- (CAS 6137-03-7) is used as a solvent in industrial manufacturing (coatings, inks, adhesives, and cleaning formulations); serves as an intermediate in organic synthesis for fine chemicals and pharmaceutical synthesis; acts as a fragrance industry intermediate or odorant component in perfumery; functions as a processing solvent or aid in polymers and plastics fabrication; and may be evaluated for cosmetics/personal care applications or household cleaning formulations subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1416.18
    methanol 1978.54
    isopropanol 1104.67
    water 2.97
    ethyl acetate 1053.49
    n-propanol 1223.96
    acetone 1160.11
    n-butanol 1201.1
    acetonitrile 1583.28
    DMF 873.83
    toluene 643.0
    isobutanol 921.99
    1,4-dioxane 2124.54
    methyl acetate 931.64
    THF 2726.63
    2-butanone 1121.56
    n-pentanol 777.32
    sec-butanol 1131.01
    n-hexane 775.5
    ethylene glycol 185.25
    NMP 1677.09
    cyclohexane 930.24
    DMSO 881.64
    n-butyl acetate 1307.0
    n-octanol 519.91
    chloroform 4078.38
    n-propyl acetate 733.99
    acetic acid 1385.55
    dichloromethane 3198.04
    cyclohexanone 2145.27
    propylene glycol 256.86
    isopropyl acetate 600.86
    DMAc 681.6
    2-ethoxyethanol 656.61
    isopentanol 989.12
    n-heptane 390.51
    ethyl formate 694.09
    1,2-dichloroethane 1706.42
    n-hexanol 1144.36
    2-methoxyethanol 949.45
    isobutyl acetate 428.19
    tetrachloromethane 1060.82
    n-pentyl acetate 805.71
    transcutol 2247.36
    n-heptanol 473.38
    ethylbenzene 416.06
    MIBK 490.56
    2-propoxyethanol 1126.63
    tert-butanol 1293.77
    MTBE 1174.73
    2-butoxyethanol 618.31
    propionic acid 1077.18
    o-xylene 399.57
    formic acid 383.1
    diethyl ether 1507.11
    m-xylene 400.75
    p-xylene 524.29
    chlorobenzene 1210.62
    dimethyl carbonate 161.38
    n-octane 143.99
    formamide 414.45
    cyclopentanone 2092.77
    2-pentanone 920.86
    anisole 581.71
    cyclopentyl methyl ether 1381.57
    gamma-butyrolactone 2174.78
    1-methoxy-2-propanol 630.6
    pyridine 1614.8
    3-pentanone 731.83
    furfural 1511.02
    n-dodecane 80.08
    diethylene glycol 630.97
    diisopropyl ether 405.11
    tert-amyl alcohol 1158.38
    acetylacetone 740.89
    n-hexadecane 92.69
    acetophenone 489.19
    methyl propionate 633.27
    isopentyl acetate 1075.28
    trichloroethylene 2835.54
    n-nonanol 433.63
    cyclohexanol 1406.46
    benzyl alcohol 484.85
    2-ethylhexanol 748.57
    isooctanol 376.78
    dipropyl ether 821.11
    1,2-dichlorobenzene 977.32
    ethyl lactate 231.08
    propylene carbonate 1022.88
    n-methylformamide 670.91
    2-pentanol 838.67
    n-pentane 500.17
    1-propoxy-2-propanol 837.74
    1-methoxy-2-propyl acetate 664.41
    2-(2-methoxypropoxy) propanol 494.91
    mesitylene 263.89
    ε-caprolactone 1752.51
    p-cymene 317.37
    epichlorohydrin 1924.99
    1,1,1-trichloroethane 1999.85
    2-aminoethanol 448.17
    morpholine-4-carbaldehyde 1232.08
    sulfolane 1891.99
    2,2,4-trimethylpentane 186.93
    2-methyltetrahydrofuran 2659.93
    n-hexyl acetate 1042.26
    isooctane 130.67
    2-(2-butoxyethoxy)ethanol 713.39
    sec-butyl acetate 503.93
    tert-butyl acetate 615.17
    decalin 291.75
    glycerin 305.8
    diglyme 1158.9
    acrylic acid 819.59
    isopropyl myristate 340.7
    n-butyric acid 1403.28
    acetyl acetate 613.0
    di(2-ethylhexyl) phthalate 286.61
    ethyl propionate 568.85
    nitromethane 1431.9
    1,2-diethoxyethane 1115.12
    benzonitrile 1006.88
    trioctyl phosphate 222.47
    1-bromopropane 1472.13
    gamma-valerolactone 1937.17
    n-decanol 298.28
    triethyl phosphate 279.17
    4-methyl-2-pentanol 392.27
    propionitrile 1253.01
    vinylene carbonate 916.6
    1,1,2-trichlorotrifluoroethane 1023.41
    DMS 520.67
    cumene 292.6
    2-octanol 404.07
    2-hexanone 823.25
    octyl acetate 428.97
    limonene 582.39
    1,2-dimethoxyethane 1178.12
    ethyl orthosilicate 304.71
    tributyl phosphate 307.06
    diacetone alcohol 544.72
    N,N-dimethylaniline 359.35
    acrylonitrile 1196.8
    aniline 783.13
    1,3-propanediol 639.16
    bromobenzene 1281.2
    dibromomethane 2461.37
    1,1,2,2-tetrachloroethane 2259.98
    2-methyl-cyclohexyl acetate 567.89
    tetrabutyl urea 343.19
    diisobutyl methanol 360.52
    2-phenylethanol 630.94
    styrene 520.03
    dioctyl adipate 425.48
    dimethyl sulfate 257.78
    ethyl butyrate 716.61
    methyl lactate 231.69
    butyl lactate 460.25
    diethyl carbonate 416.31
    propanediol butyl ether 491.65
    triethyl orthoformate 496.66
    p-tert-butyltoluene 302.66
    methyl 4-tert-butylbenzoate 440.37
    morpholine 2173.02
    tert-butylamine 1077.81
    n-dodecanol 217.65
    dimethoxymethane 515.32
    ethylene carbonate 802.01
    cyrene 380.96
    2-ethoxyethyl acetate 757.57
    2-ethylhexyl acetate 884.47
    1,2,4-trichlorobenzene 1061.61
    4-methylpyridine 1607.97
    dibutyl ether 802.83
    2,6-dimethyl-4-heptanol 360.52
    DEF 898.35
    dimethyl isosorbide 820.26
    tetrachloroethylene 1855.88
    eugenol 421.69
    triacetin 573.84
    span 80 538.05
    1,4-butanediol 270.54
    1,1-dichloroethane 1984.37
    2-methyl-1-pentanol 725.99
    methyl formate 453.52
    2-methyl-1-butanol 961.73
    n-decane 156.31
    butyronitrile 1318.15
    3,7-dimethyl-1-octanol 525.24
    1-chlorooctane 496.76
    1-chlorotetradecane 171.75
    n-nonane 179.75
    undecane 106.31
    tert-butylcyclohexane 272.47
    cyclooctane 259.81
    cyclopentanol 1443.81
    tetrahydropyran 2559.09
    tert-amyl methyl ether 836.3
    2,5,8-trioxanonane 690.59
    1-hexene 1230.77
    2-isopropoxyethanol 493.34
    2,2,2-trifluoroethanol 381.22
    methyl butyrate 761.76

    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