2-Methyl-3-pentanone

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  • Identifiers

    CAS number
    565-69-5

    Molecular formula
    C6H12O

    SMILES
    CCC(=O)C(C)C

    Safety labels

    Flammable
    Flammable

    Retention indicies (RI)

    • Carbowax: 1003.0

  • Odor profile

    Fruity 93.35%
    Ethereal 66.93%
    Ketonic 63.97%
    Cheesy 52.47%
    Herbal 46.06%
    Fermented 37.2%
    Pungent 37.04%
    Mint 33.57%
    Fresh 32.53%
    Banana 31.1%

    Scent© AI

  • Properties

    XLogP3-AA
    1.5

    Molecular weight
    100.16 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point

    • 113.5 °C

    Flash point est.
    14.65 ˚C

    Solubility expt.

    • 15.5 mg/mL at 25 °C

  • Synonyms

    • 2-METHYL-3-PENTANONE
    • 565-69-5
    • 2-Methylpentan-3-one
    • Ethyl isopropyl ketone
    • 3-Pentanone, 2-methyl-
    • 4-Methyl-3-pentanone
    • Isopropyl ethyl ketone
    • UNII-0R392X5X26
    • 2-Methyl-3-pentanal
    • iso-C3H7COC2H5
    • EINECS 209-288-4
    • 0R392X5X26
    • DTXSID2073196
    • 2Methylpentan3one
    • 3Pentanone, 2methyl
    • 2-methyl-pentan-3-one
    • SCHEMBL43655
    • 2-Methyl-3-pentanone, 97%
    • DTXCID1042077
    • CHEBI:89215
    • MFCD00009314
    • AKOS009031606
    • BS-28922
    • PD124176
    • DB-052939
    • M1249
    • NS00022391
    • EN300-19777
    • 2-Methyl-3-pentanone, purum, >=99.0% (GC)
    • Q5404456
    • 209-288-4

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1671.33
    methanol 2516.36
    isopropanol 1233.99
    water 15.12
    ethyl acetate 924.05
    n-propanol 1279.67
    acetone 1033.01
    n-butanol 1245.74
    acetonitrile 1383.56
    DMF 829.82
    toluene 422.26
    isobutanol 1020.46
    1,4-dioxane 1335.59
    methyl acetate 895.7
    THF 1562.08
    2-butanone 960.88
    n-pentanol 954.39
    sec-butanol 1219.65
    n-hexane 499.23
    ethylene glycol 291.42
    NMP 1052.45
    cyclohexane 346.32
    DMSO 722.87
    n-butyl acetate 1198.96
    n-octanol 666.53
    chloroform 3369.29
    n-propyl acetate 755.5
    acetic acid 1431.94
    dichloromethane 2675.14
    cyclohexanone 1368.13
    propylene glycol 334.01
    isopropyl acetate 590.75
    DMAc 778.2
    2-ethoxyethanol 934.1
    isopentanol 1141.57
    n-heptane 287.45
    ethyl formate 748.68
    1,2-dichloroethane 1261.01
    n-hexanol 1083.61
    2-methoxyethanol 1235.25
    isobutyl acetate 502.88
    tetrachloromethane 1063.3
    n-pentyl acetate 886.65
    transcutol 2573.35
    n-heptanol 627.19
    ethylbenzene 380.59
    MIBK 537.52
    2-propoxyethanol 1124.16
    tert-butanol 1434.58
    MTBE 1197.5
    2-butoxyethanol 866.12
    propionic acid 1043.22
    o-xylene 364.32
    formic acid 600.1
    diethyl ether 1041.56
    m-xylene 325.75
    p-xylene 567.34
    chlorobenzene 845.48
    dimethyl carbonate 184.88
    n-octane 138.1
    formamide 625.44
    cyclopentanone 1301.13
    2-pentanone 775.04
    anisole 646.83
    cyclopentyl methyl ether 834.37
    gamma-butyrolactone 1478.98
    1-methoxy-2-propanol 781.83
    pyridine 1119.1
    3-pentanone 612.32
    furfural 1377.1
    n-dodecane 79.61
    diethylene glycol 641.97
    diisopropyl ether 372.98
    tert-amyl alcohol 1400.49
    acetylacetone 681.24
    n-hexadecane 87.0
    acetophenone 583.98
    methyl propionate 560.28
    isopentyl acetate 1036.71
    trichloroethylene 2345.4
    n-nonanol 556.46
    cyclohexanol 980.91
    benzyl alcohol 571.43
    2-ethylhexanol 780.83
    isooctanol 513.72
    dipropyl ether 706.75
    1,2-dichlorobenzene 826.61
    ethyl lactate 288.01
    propylene carbonate 881.06
    n-methylformamide 738.47
    2-pentanol 887.12
    n-pentane 346.33
    1-propoxy-2-propanol 879.1
    1-methoxy-2-propyl acetate 612.18
    2-(2-methoxypropoxy) propanol 618.65
    mesitylene 233.06
    ε-caprolactone 1282.8
    p-cymene 355.88
    epichlorohydrin 1444.02
    1,1,1-trichloroethane 1646.21
    2-aminoethanol 653.22
    morpholine-4-carbaldehyde 1144.31
    sulfolane 1256.13
    2,2,4-trimethylpentane 201.56
    2-methyltetrahydrofuran 1619.9
    n-hexyl acetate 1130.76
    isooctane 130.89
    2-(2-butoxyethoxy)ethanol 880.45
    sec-butyl acetate 553.63
    tert-butyl acetate 636.91
    decalin 203.45
    glycerin 385.91
    diglyme 1467.34
    acrylic acid 813.04
    isopropyl myristate 344.38
    n-butyric acid 1421.69
    acetyl acetate 562.67
    di(2-ethylhexyl) phthalate 315.86
    ethyl propionate 589.76
    nitromethane 1416.46
    1,2-diethoxyethane 1192.66
    benzonitrile 971.3
    trioctyl phosphate 240.96
    1-bromopropane 1048.38
    gamma-valerolactone 1495.67
    n-decanol 370.41
    triethyl phosphate 305.64
    4-methyl-2-pentanol 507.69
    propionitrile 1007.31
    vinylene carbonate 827.04
    1,1,2-trichlorotrifluoroethane 1024.62
    DMS 506.8
    cumene 322.4
    2-octanol 500.26
    2-hexanone 849.2
    octyl acetate 441.36
    limonene 488.86
    1,2-dimethoxyethane 1330.08
    ethyl orthosilicate 340.56
    tributyl phosphate 328.92
    diacetone alcohol 608.86
    N,N-dimethylaniline 424.92
    acrylonitrile 1087.86
    aniline 599.83
    1,3-propanediol 889.14
    bromobenzene 843.51
    dibromomethane 1938.7
    1,1,2,2-tetrachloroethane 1815.32
    2-methyl-cyclohexyl acetate 578.76
    tetrabutyl urea 349.7
    diisobutyl methanol 392.02
    2-phenylethanol 634.65
    styrene 480.65
    dioctyl adipate 441.8
    dimethyl sulfate 266.79
    ethyl butyrate 777.03
    methyl lactate 259.82
    butyl lactate 552.31
    diethyl carbonate 476.32
    propanediol butyl ether 649.02
    triethyl orthoformate 532.85
    p-tert-butyltoluene 327.54
    methyl 4-tert-butylbenzoate 505.95
    morpholine 1364.69
    tert-butylamine 1141.38
    n-dodecanol 264.08
    dimethoxymethane 525.83
    ethylene carbonate 697.92
    cyrene 409.82
    2-ethoxyethyl acetate 830.97
    2-ethylhexyl acetate 857.9
    1,2,4-trichlorobenzene 889.73
    4-methylpyridine 1203.13
    dibutyl ether 862.01
    2,6-dimethyl-4-heptanol 392.02
    DEF 854.71
    dimethyl isosorbide 854.06
    tetrachloroethylene 1589.29
    eugenol 536.42
    triacetin 625.9
    span 80 578.34
    1,4-butanediol 448.69
    1,1-dichloroethane 1573.05
    2-methyl-1-pentanol 948.19
    methyl formate 523.01
    2-methyl-1-butanol 1108.98
    n-decane 156.23
    butyronitrile 1229.02
    3,7-dimethyl-1-octanol 650.82
    1-chlorooctane 491.3
    1-chlorotetradecane 168.1
    n-nonane 174.79
    undecane 103.7
    tert-butylcyclohexane 234.18
    cyclooctane 131.87
    cyclopentanol 1000.15
    tetrahydropyran 1297.8
    tert-amyl methyl ether 886.58
    2,5,8-trioxanonane 836.16
    1-hexene 917.3
    2-isopropoxyethanol 715.68
    2,2,2-trifluoroethanol 468.97
    methyl butyrate 844.88

    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

Botanical

Name CAS Botanical Proportion
Carob bean powder 2a raw 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.2%
Carob bean powder 2b roasted 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.2%
Helichrysum italicum (France-Corsica) 8025-95-8 Helichyrsum italicum (Roth) G. Don ssp.italicum, fam. Asteraceae (Compos.) 0.5%