2-Hexyl-2-decenal

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  • Identifiers

    CAS number
    64935-39-3

    Molecular formula
    C16H30O

    SMILES
    CCCCCCC/C=C(\CCCCCC)/C=O

  • Odor profile

    Fragrance
    Fatty 63.38%
    Fruity 60.02%
    Waxy 58.1%
    Citrus 56.14%
    Green 49.34%
    Aldehydic 43.05%
    Oily 42.2%
    Orange 40.5%
    Floral 38.02%
    Fresh 37.97%

     

    Flavor
    Waxy 49.28%
    Herbal 40.61%
    Citrus 38.2%
    Floral 37.53%
    Fresh 35.13%
    Orange 32.31%
    Fatty 31.76%
    Fat 29.08%
    Fruity 28.73%
    Aldehydic 26.46%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    6.7

    pKa est.
    7.71 (neutral)

    Molecular weight
    238.41 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    310°C

    Flash point

    • 133.43 ˚C est.

  • Synonyms

    • 2-HEXYL-2-DECENAL
    • 2-Decenal, 2-hexyl-, (2E)-
    • UNII-CIC69FY5FI
    • CIC69FY5FI
    • 64935-39-3
    • Fema No. 4786
    • V7NK8BCX89
    • Fema No. 4786, E-
    • 2-Hexyl-2-decenal, (2E)-
    • 2-Decenal, 2-hexyl-, (E)-
    • UNII-V7NK8BCX89
    • (E)-2-Hexyldec-2-enal
    • SCHEMBL1300694
    • RSBRHLFCWKXUSQ-JQIJEIRASA-N

  • Applications

    2-Hexyl-2-decenal (CAS 64935-39-3) is primarily used as an odorant and fragrance ingredient in perfumery and cosmetics/personal care, providing a green, aldehydic note and helping to define and extend scent profiles in perfumes, lotions, and shampoos. In industrial manufacturing, it is also employed as an intermediate in the synthesis of other fragrance materials. Additionally, it can be formulated into household products such as air fresheners, cleaners, and deodorizing formulations to impart a distinctive odor characteristic. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2959.92
    methanol 1621.6
    isopropanol 3610.0
    water 0.01
    ethyl acetate 9347.4
    n-propanol 3394.28
    acetone 10107.37
    n-butanol 3701.89
    acetonitrile 3325.26
    DMF 5705.3
    toluene 3299.92
    isobutanol 2875.04
    1,4-dioxane 5786.67
    methyl acetate 4286.85
    THF 10235.5
    2-butanone 8553.22
    n-pentanol 2081.35
    sec-butanol 3526.0
    n-hexane 1829.29
    ethylene glycol 66.45
    NMP 4462.3
    cyclohexane 3673.38
    DMSO 4660.23
    n-butyl acetate 7039.08
    n-octanol 921.88
    chloroform 8253.06
    n-propyl acetate 5733.55
    acetic acid 1230.26
    dichloromethane 9593.39
    cyclohexanone 12687.8
    propylene glycol 238.14
    isopropyl acetate 6120.74
    DMAc 3819.06
    2-ethoxyethanol 2083.97
    isopentanol 3564.05
    n-heptane 953.8
    ethyl formate 2431.75
    1,2-dichloroethane 9769.37
    n-hexanol 2380.87
    2-methoxyethanol 3145.7
    isobutyl acetate 2909.56
    tetrachloromethane 1892.13
    n-pentyl acetate 4001.8
    transcutol 9637.28
    n-heptanol 972.0
    ethylbenzene 1608.48
    MIBK 4715.04
    2-propoxyethanol 2983.01
    tert-butanol 4255.15
    MTBE 8461.34
    2-butoxyethanol 1823.91
    propionic acid 1607.61
    o-xylene 1655.88
    formic acid 125.28
    diethyl ether 11345.71
    m-xylene 1956.28
    p-xylene 1889.67
    chlorobenzene 3554.23
    dimethyl carbonate 909.95
    n-octane 288.74
    formamide 340.65
    cyclopentanone 9059.6
    2-pentanone 10181.41
    anisole 2332.24
    cyclopentyl methyl ether 7687.37
    gamma-butyrolactone 6670.27
    1-methoxy-2-propanol 3322.42
    pyridine 6883.67
    3-pentanone 5928.39
    furfural 3867.71
    n-dodecane 112.19
    diethylene glycol 842.0
    diisopropyl ether 3227.67
    tert-amyl alcohol 3517.77
    acetylacetone 5733.61
    n-hexadecane 143.27
    acetophenone 2082.19
    methyl propionate 4784.02
    isopentyl acetate 5799.02
    trichloroethylene 12553.48
    n-nonanol 861.22
    cyclohexanol 4391.21
    benzyl alcohol 1296.54
    2-ethylhexanol 2060.23
    isooctanol 1001.7
    dipropyl ether 5374.1
    1,2-dichlorobenzene 3119.57
    ethyl lactate 953.78
    propylene carbonate 3364.46
    n-methylformamide 1708.06
    2-pentanol 3381.94
    n-pentane 1302.47
    1-propoxy-2-propanol 3369.85
    1-methoxy-2-propyl acetate 4127.68
    2-(2-methoxypropoxy) propanol 1314.44
    mesitylene 1276.23
    ε-caprolactone 7430.08
    p-cymene 951.6
    epichlorohydrin 8537.72
    1,1,1-trichloroethane 8627.39
    2-aminoethanol 390.22
    morpholine-4-carbaldehyde 3893.36
    sulfolane 6375.15
    2,2,4-trimethylpentane 422.1
    2-methyltetrahydrofuran 10431.8
    n-hexyl acetate 3816.35
    isooctane 394.14
    2-(2-butoxyethoxy)ethanol 2060.22
    sec-butyl acetate 4003.9
    tert-butyl acetate 5682.12
    decalin 768.64
    glycerin 273.28
    diglyme 4768.97
    acrylic acid 803.01
    isopropyl myristate 1163.62
    n-butyric acid 4782.4
    acetyl acetate 2941.67
    di(2-ethylhexyl) phthalate 619.26
    ethyl propionate 4830.9
    nitromethane 3385.66
    1,2-diethoxyethane 6909.78
    benzonitrile 2455.71
    trioctyl phosphate 524.31
    1-bromopropane 7867.53
    gamma-valerolactone 8676.25
    n-decanol 565.75
    triethyl phosphate 1052.15
    4-methyl-2-pentanol 1654.08
    propionitrile 3893.2
    vinylene carbonate 2346.51
    1,1,2-trichlorotrifluoroethane 3216.9
    DMS 1902.16
    cumene 890.7
    2-octanol 897.33
    2-hexanone 5251.06
    octyl acetate 1282.57
    limonene 1968.82
    1,2-dimethoxyethane 5681.41
    ethyl orthosilicate 1148.92
    tributyl phosphate 804.98
    diacetone alcohol 3555.22
    N,N-dimethylaniline 1353.4
    acrylonitrile 2944.76
    aniline 2491.81
    1,3-propanediol 1067.5
    bromobenzene 4270.31
    dibromomethane 7394.19
    1,1,2,2-tetrachloroethane 10358.43
    2-methyl-cyclohexyl acetate 2178.91
    tetrabutyl urea 1042.47
    diisobutyl methanol 1366.74
    2-phenylethanol 1422.31
    styrene 2211.87
    dioctyl adipate 1407.14
    dimethyl sulfate 1264.14
    ethyl butyrate 4636.27
    methyl lactate 828.02
    butyl lactate 1768.3
    diethyl carbonate 1974.28
    propanediol butyl ether 1136.59
    triethyl orthoformate 2549.76
    p-tert-butyltoluene 892.68
    methyl 4-tert-butylbenzoate 1519.29
    morpholine 8854.3
    tert-butylamine 3425.37
    n-dodecanol 412.55
    dimethoxymethane 4343.33
    ethylene carbonate 2525.29
    cyrene 947.43
    2-ethoxyethyl acetate 3873.74
    2-ethylhexyl acetate 4452.12
    1,2,4-trichlorobenzene 3285.94
    4-methylpyridine 7129.52
    dibutyl ether 4333.74
    2,6-dimethyl-4-heptanol 1366.74
    DEF 8131.4
    dimethyl isosorbide 2540.52
    tetrachloroethylene 6061.75
    eugenol 1181.44
    triacetin 2152.36
    span 80 1261.58
    1,4-butanediol 328.96
    1,1-dichloroethane 10001.96
    2-methyl-1-pentanol 1992.94
    methyl formate 1021.29
    2-methyl-1-butanol 3072.61
    n-decane 276.0
    butyronitrile 5332.43
    3,7-dimethyl-1-octanol 1292.28
    1-chlorooctane 1312.74
    1-chlorotetradecane 359.05
    n-nonane 312.24
    undecane 162.75
    tert-butylcyclohexane 623.9
    cyclooctane 908.94
    cyclopentanol 3139.14
    tetrahydropyran 13585.05
    tert-amyl methyl ether 5140.45
    2,5,8-trioxanonane 2227.84
    1-hexene 4664.66
    2-isopropoxyethanol 1794.53
    2,2,2-trifluoroethanol 317.0
    methyl butyrate 6373.74

    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