2-Ethyl-2-pentenal

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    3491-57-4

    Molecular formula
    C7H12O

    SMILES
    CCC=C(CC)C=O

  • Odor profile

    Fruity 82.78%
    Green 75.95%
    Pungent 61.01%
    Fatty 48.66%
    Ethereal 47.83%
    Sharp 41.66%
    Nutty 39.79%
    Apple 39.6%
    Fresh 37.56%
    Cheesy 36.12%

    Scent© AI

  • Properties

    XLogP3-AA
    1.8

    Molecular weight
    112.17 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    147°C

    Flash point est.
    42.97 ˚C

  • Synonyms

    • 2-Ethyl-2-pentenal
    • 2-ethylpent-2-enal
    • 3491-57-4
    • DTXSID00337540
    • DTXCID40288628

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1163.98
    methanol 1224.01
    isopropanol 956.52
    water 1.98
    ethyl acetate 1070.13
    n-propanol 999.29
    acetone 1523.66
    n-butanol 904.52
    acetonitrile 1714.47
    DMF 1553.68
    toluene 541.34
    isobutanol 736.88
    1,4-dioxane 1940.47
    methyl acetate 1154.02
    THF 1937.92
    2-butanone 1275.34
    n-pentanol 595.09
    sec-butanol 792.44
    n-hexane 354.57
    ethylene glycol 215.94
    NMP 1764.43
    cyclohexane 446.24
    DMSO 1619.57
    n-butyl acetate 1203.29
    n-octanol 493.96
    chloroform 3132.12
    n-propyl acetate 873.07
    acetic acid 1037.23
    dichloromethane 3016.43
    cyclohexanone 1969.24
    propylene glycol 251.86
    isopropyl acetate 606.97
    DMAc 743.99
    2-ethoxyethanol 625.78
    isopentanol 721.2
    n-heptane 199.01
    ethyl formate 774.86
    1,2-dichloroethane 1956.91
    n-hexanol 866.44
    2-methoxyethanol 994.13
    isobutyl acetate 503.5
    tetrachloromethane 822.18
    n-pentyl acetate 701.13
    transcutol 2034.65
    n-heptanol 428.11
    ethylbenzene 395.33
    MIBK 533.67
    2-propoxyethanol 977.14
    tert-butanol 1102.45
    MTBE 945.61
    2-butoxyethanol 586.44
    propionic acid 1037.49
    o-xylene 346.95
    formic acid 266.91
    diethyl ether 1109.11
    m-xylene 384.92
    p-xylene 481.77
    chlorobenzene 1182.1
    dimethyl carbonate 287.67
    n-octane 105.34
    formamide 400.74
    cyclopentanone 2109.91
    2-pentanone 989.95
    anisole 642.0
    cyclopentyl methyl ether 1047.49
    gamma-butyrolactone 2375.73
    1-methoxy-2-propanol 769.16
    pyridine 1619.61
    3-pentanone 722.64
    furfural 1635.63
    n-dodecane 72.6
    diethylene glycol 594.7
    diisopropyl ether 338.69
    tert-amyl alcohol 812.93
    acetylacetone 916.1
    n-hexadecane 83.45
    acetophenone 562.42
    methyl propionate 767.16
    isopentyl acetate 862.76
    trichloroethylene 3262.46
    n-nonanol 413.67
    cyclohexanol 872.18
    benzyl alcohol 459.01
    2-ethylhexanol 548.12
    isooctanol 365.77
    dipropyl ether 649.31
    1,2-dichlorobenzene 984.46
    ethyl lactate 322.94
    propylene carbonate 1224.01
    n-methylformamide 926.45
    2-pentanol 614.0
    n-pentane 262.91
    1-propoxy-2-propanol 769.53
    1-methoxy-2-propyl acetate 616.28
    2-(2-methoxypropoxy) propanol 459.86
    mesitylene 277.03
    ε-caprolactone 1524.65
    p-cymene 256.3
    epichlorohydrin 2078.67
    1,1,1-trichloroethane 2033.31
    2-aminoethanol 427.08
    morpholine-4-carbaldehyde 1427.33
    sulfolane 2552.61
    2,2,4-trimethylpentane 111.49
    2-methyltetrahydrofuran 1741.59
    n-hexyl acetate 928.96
    isooctane 101.6
    2-(2-butoxyethoxy)ethanol 684.88
    sec-butyl acetate 494.69
    tert-butyl acetate 615.94
    decalin 181.46
    glycerin 314.55
    diglyme 1206.22
    acrylic acid 873.13
    isopropyl myristate 335.73
    n-butyric acid 1257.21
    acetyl acetate 567.01
    di(2-ethylhexyl) phthalate 245.48
    ethyl propionate 658.64
    nitromethane 1828.3
    1,2-diethoxyethane 937.2
    benzonitrile 964.97
    trioctyl phosphate 217.54
    1-bromopropane 1352.18
    gamma-valerolactone 2023.25
    n-decanol 301.22
    triethyl phosphate 258.75
    4-methyl-2-pentanol 336.35
    propionitrile 1317.71
    vinylene carbonate 1074.01
    1,1,2-trichlorotrifluoroethane 1123.43
    DMS 556.83
    cumene 260.53
    2-octanol 352.76
    2-hexanone 886.85
    octyl acetate 428.25
    limonene 401.67
    1,2-dimethoxyethane 1277.29
    ethyl orthosilicate 256.4
    tributyl phosphate 274.74
    diacetone alcohol 637.94
    N,N-dimethylaniline 385.58
    acrylonitrile 1470.6
    aniline 704.49
    1,3-propanediol 624.03
    bromobenzene 1312.35
    dibromomethane 2190.56
    1,1,2,2-tetrachloroethane 2393.78
    2-methyl-cyclohexyl acetate 456.08
    tetrabutyl urea 346.9
    diisobutyl methanol 307.55
    2-phenylethanol 519.59
    styrene 541.33
    dioctyl adipate 403.42
    dimethyl sulfate 469.76
    ethyl butyrate 742.84
    methyl lactate 351.6
    butyl lactate 460.05
    diethyl carbonate 436.45
    propanediol butyl ether 546.74
    triethyl orthoformate 416.3
    p-tert-butyltoluene 242.64
    methyl 4-tert-butylbenzoate 467.97
    morpholine 1891.54
    tert-butylamine 771.01
    n-dodecanol 229.31
    dimethoxymethane 719.56
    ethylene carbonate 880.12
    cyrene 384.11
    2-ethoxyethyl acetate 680.85
    2-ethylhexyl acetate 677.7
    1,2,4-trichlorobenzene 1021.6
    4-methylpyridine 1477.18
    dibutyl ether 670.24
    2,6-dimethyl-4-heptanol 307.55
    DEF 1053.36
    dimethyl isosorbide 776.16
    tetrachloroethylene 1694.23
    eugenol 477.73
    triacetin 553.27
    span 80 492.44
    1,4-butanediol 267.29
    1,1-dichloroethane 2207.22
    2-methyl-1-pentanol 505.28
    methyl formate 732.28
    2-methyl-1-butanol 665.33
    n-decane 123.76
    butyronitrile 1279.26
    3,7-dimethyl-1-octanol 438.07
    1-chlorooctane 438.17
    1-chlorotetradecane 167.78
    n-nonane 138.97
    undecane 91.72
    tert-butylcyclohexane 180.67
    cyclooctane 131.87
    cyclopentanol 1019.16
    tetrahydropyran 1958.25
    tert-amyl methyl ether 592.32
    2,5,8-trioxanonane 714.04
    1-hexene 789.83
    2-isopropoxyethanol 482.17
    2,2,2-trifluoroethanol 325.93
    methyl butyrate 959.39

    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
Truffle, Asian Tuber indicum Cooke et Mass. (T. himalayense Zhang-Minter),fam.Ascomycetae 1.0%