7-Decenal, (7E)-

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  • Identifiers

    CAS number
    21662-10-2

    Molecular formula
    C10H18O

    SMILES
    CC/C=C/CCCCCC=O

    Safety labels

  • Odor profile

    Fragrance
    Citrus 74.28%
    Green 74.06%
    Fatty 66.15%
    Waxy 64.39%
    Aldehydic 62.22%
    Fresh 61.15%
    Cucumber 55.74%
    Melon 55.43%
    Floral 53.17%
    Fruity 52.22%

     

    Flavor
    Waxy 63.84%
    Green 58.46%
    Citrus 54.22%
    Fatty 54.04%
    Aldehydic 50.75%
    Cucumber 48.73%
    Melon 47.98%
    Fresh 47.91%
    Orange 37.01%
    Rose 36.67%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.9

    pKa est.
    7.29 (neutral)

    Molecular weight
    154.25 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    212°C

    Flash point

    • 93.13 ˚C est.

  • Synonyms

    • 7-Decenal, (7E)-
    • 21662-10-2
    • DTXSID00885172
    • RefChem:546307
    • DTXCID60909722
    • 7-Decenal
    • (E)-7-Decenal
    • (7E)-DEC-7-ENAL
    • SCHEMBL7510415
    • AKOS015916259
    • 21662-10-2

  • Applications

    7-Decenal, (7E)- (CAS 21662-10-2) is primarily used as an aroma chemical in perfumery and cosmetic/personal care formulations, functioning as an odorant and fragrance ingredient; it is also employed as a fragrance intermediate and building block in industrial manufacturing; it may be used as a flavor precursor or aroma component in certain food-related applications; in household products and cleaning formulations it can contribute scent, and in coatings, inks, or polymer formulations it may serve as a fragrance additive, subject to regulatory and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 4381.89
    methanol 3664.31
    isopropanol 3856.85
    water 0.06
    ethyl acetate 3557.2
    n-propanol 3539.51
    acetone 5312.52
    n-butanol 3404.29
    acetonitrile 2538.94
    DMF 2376.83
    toluene 1175.1
    isobutanol 2390.18
    1,4-dioxane 3610.01
    methyl acetate 2054.91
    THF 5743.11
    2-butanone 3486.16
    n-pentanol 2226.78
    sec-butanol 2749.03
    n-hexane 1747.25
    ethylene glycol 268.09
    NMP 1515.35
    cyclohexane 1752.13
    DMSO 4108.09
    n-butyl acetate 3052.51
    n-octanol 711.59
    chloroform 4300.44
    n-propyl acetate 2318.62
    acetic acid 1532.25
    dichloromethane 4716.98
    cyclohexanone 3915.22
    propylene glycol 548.91
    isopropyl acetate 1870.12
    DMAc 1105.75
    2-ethoxyethanol 1651.45
    isopentanol 2653.28
    n-heptane 801.07
    ethyl formate 1246.28
    1,2-dichloroethane 3734.85
    n-hexanol 2579.22
    2-methoxyethanol 2781.3
    isobutyl acetate 1152.73
    tetrachloromethane 909.57
    n-pentyl acetate 1201.9
    transcutol 5628.95
    n-heptanol 722.67
    ethylbenzene 621.38
    MIBK 1582.6
    2-propoxyethanol 2508.79
    tert-butanol 3696.13
    MTBE 3364.34
    2-butoxyethanol 1089.78
    propionic acid 1457.5
    o-xylene 516.43
    formic acid 216.89
    diethyl ether 5314.23
    m-xylene 701.47
    p-xylene 680.61
    chlorobenzene 1282.87
    dimethyl carbonate 316.84
    n-octane 203.42
    formamide 367.21
    cyclopentanone 3232.34
    2-pentanone 3508.7
    anisole 922.1
    cyclopentyl methyl ether 3177.15
    gamma-butyrolactone 2621.7
    1-methoxy-2-propanol 2349.87
    pyridine 2879.21
    3-pentanone 1891.33
    furfural 1554.53
    n-dodecane 89.46
    diethylene glycol 1024.45
    diisopropyl ether 1240.92
    tert-amyl alcohol 2330.36
    acetylacetone 2001.23
    n-hexadecane 105.07
    acetophenone 742.25
    methyl propionate 1780.36
    isopentyl acetate 2152.11
    trichloroethylene 4455.72
    n-nonanol 586.87
    cyclohexanol 2534.23
    benzyl alcohol 766.26
    2-ethylhexanol 1513.43
    isooctanol 617.41
    dipropyl ether 2864.37
    1,2-dichlorobenzene 914.08
    ethyl lactate 478.43
    propylene carbonate 1272.52
    n-methylformamide 1158.12
    2-pentanol 2501.91
    n-pentane 1143.63
    1-propoxy-2-propanol 2247.84
    1-methoxy-2-propyl acetate 1602.92
    2-(2-methoxypropoxy) propanol 754.67
    mesitylene 452.54
    ε-caprolactone 2489.37
    p-cymene 384.42
    epichlorohydrin 3370.7
    1,1,1-trichloroethane 2992.09
    2-aminoethanol 822.96
    morpholine-4-carbaldehyde 1602.61
    sulfolane 2475.0
    2,2,4-trimethylpentane 236.07
    2-methyltetrahydrofuran 5125.67
    n-hexyl acetate 1399.74
    isooctane 242.42
    2-(2-butoxyethoxy)ethanol 1228.53
    sec-butyl acetate 1282.54
    tert-butyl acetate 1702.82
    decalin 389.19
    glycerin 494.17
    diglyme 2254.59
    acrylic acid 805.23
    isopropyl myristate 475.38
    n-butyric acid 2984.85
    acetyl acetate 1057.57
    di(2-ethylhexyl) phthalate 306.88
    ethyl propionate 1556.53
    nitromethane 2057.37
    1,2-diethoxyethane 3047.02
    benzonitrile 1120.18
    trioctyl phosphate 258.63
    1-bromopropane 3874.41
    gamma-valerolactone 3064.5
    n-decanol 411.91
    triethyl phosphate 413.39
    4-methyl-2-pentanol 1035.24
    propionitrile 2440.98
    vinylene carbonate 1024.27
    1,1,2-trichlorotrifluoroethane 1653.06
    DMS 663.71
    cumene 357.58
    2-octanol 525.67
    2-hexanone 2428.26
    octyl acetate 547.92
    limonene 827.24
    1,2-dimethoxyethane 3019.42
    ethyl orthosilicate 461.22
    tributyl phosphate 361.52
    diacetone alcohol 1397.27
    N,N-dimethylaniline 528.07
    acrylonitrile 1986.81
    aniline 1244.31
    1,3-propanediol 1394.17
    bromobenzene 1457.99
    dibromomethane 4170.82
    1,1,2,2-tetrachloroethane 3415.91
    2-methyl-cyclohexyl acetate 868.39
    tetrabutyl urea 443.83
    diisobutyl methanol 796.52
    2-phenylethanol 871.47
    styrene 873.77
    dioctyl adipate 587.52
    dimethyl sulfate 440.01
    ethyl butyrate 1786.5
    methyl lactate 469.82
    butyl lactate 687.49
    diethyl carbonate 779.91
    propanediol butyl ether 814.97
    triethyl orthoformate 945.89
    p-tert-butyltoluene 372.96
    methyl 4-tert-butylbenzoate 533.07
    morpholine 4849.75
    tert-butylamine 2798.79
    n-dodecanol 307.42
    dimethoxymethane 1942.65
    ethylene carbonate 994.96
    cyrene 501.57
    2-ethoxyethyl acetate 1268.17
    2-ethylhexyl acetate 1633.54
    1,2,4-trichlorobenzene 920.86
    4-methylpyridine 2599.04
    dibutyl ether 1969.55
    2,6-dimethyl-4-heptanol 796.52
    DEF 2487.6
    dimethyl isosorbide 1150.98
    tetrachloroethylene 2390.03
    eugenol 520.04
    triacetin 807.24
    span 80 783.25
    1,4-butanediol 469.86
    1,1-dichloroethane 4189.56
    2-methyl-1-pentanol 1569.36
    methyl formate 632.87
    2-methyl-1-butanol 2140.91
    n-decane 193.68
    butyronitrile 3234.75
    3,7-dimethyl-1-octanol 764.57
    1-chlorooctane 647.38
    1-chlorotetradecane 195.09
    n-nonane 237.55
    undecane 123.96
    tert-butylcyclohexane 361.38
    cyclooctane 443.91
    cyclopentanol 2269.77
    tetrahydropyran 6543.71
    tert-amyl methyl ether 1887.39
    2,5,8-trioxanonane 1279.0
    1-hexene 3751.32
    2-isopropoxyethanol 1257.84
    2,2,2-trifluoroethanol 241.37
    methyl butyrate 2224.72

    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