4,9-Decadienal, 2,5,9-trimethyl-

Overview IFRA Request a quote

  • Identifiers

    CAS number
    32803-39-7

    Molecular formula
    C13H22O

    SMILES
    CC(CC=C(C)CCCC(=C)C)C=O

  • Odor profile

    Fragrance
    Floral 83.38%
    Fruity 67.5%
    Citrus 65.41%
    Waxy 63.35%
    Sweet 60.25%
    Fresh 59.67%
    Aldehydic 58.65%
    Rose 53.36%
    Green 46.65%
    Lily 39.01%

     

    Flavor
    Floral 63.58%
    Citrus 57.94%
    Herbal 47.35%
    Green 44.9%
    Sweet 44.47%
    Waxy 39.5%
    Spicy 38.76%
    Fresh 38.53%
    Orange 37.42%
    Woody 34.91%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.4

    pKa est.
    7.89 (neutral)

    Molecular weight
    194.31 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    241°C

    Flash point

    • 99.86 ˚C est.

  • Synonyms

    • 4,9-Decadienal, 2,5,9-trimethyl-
    • 32803-39-7
    • DTXSID10865647
    • 2,5,9-Trimethyl-4,9-decadienal
    • EINECS 251-227-9
    • DTXCID90814037
    • MINJGYRWHNAENM-UHFFFAOYSA-N
    • 2,5,9-trimethyl-4,9-decadien-1-al
    • NS00013283
    • 251-227-9

  • Applications

    4,9-Decadienal, 2,5,9-trimethyl- is primarily used as a fragrance ingredient to contribute distinctive aldehydic, green and floral notes in perfumes and cosmetics. It is commonly evaluated as an odorant in fragrance applications and formulations, and may serve as an intermediate in the synthesis of other aroma chemicals. Additionally, it may be used as a fragrance additive in household products such as detergents and cleaners. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2709.32
    methanol 1477.69
    isopropanol 2509.55
    water 0.14
    ethyl acetate 2631.65
    n-propanol 2041.83
    acetone 1770.06
    n-butanol 2144.07
    acetonitrile 1159.52
    DMF 761.18
    toluene 735.16
    isobutanol 1404.24
    1,4-dioxane 2529.46
    methyl acetate 1430.47
    THF 3028.03
    2-butanone 1953.78
    n-pentanol 1401.61
    sec-butanol 2016.72
    n-hexane 377.62
    ethylene glycol 104.08
    NMP 543.9
    cyclohexane 348.36
    DMSO 714.25
    n-butyl acetate 1954.69
    n-octanol 467.47
    chloroform 2653.23
    n-propyl acetate 1388.49
    acetic acid 806.11
    dichloromethane 2204.39
    cyclohexanone 1687.76
    propylene glycol 348.12
    isopropyl acetate 1551.62
    DMAc 768.06
    2-ethoxyethanol 1300.43
    isopentanol 1845.21
    n-heptane 189.58
    ethyl formate 842.32
    1,2-dichloroethane 1385.67
    n-hexanol 1774.16
    2-methoxyethanol 1755.73
    isobutyl acetate 845.47
    tetrachloromethane 404.59
    n-pentyl acetate 781.93
    transcutol 4814.97
    n-heptanol 532.96
    ethylbenzene 453.75
    MIBK 1098.69
    2-propoxyethanol 1861.39
    tert-butanol 2710.07
    MTBE 2803.99
    2-butoxyethanol 854.11
    propionic acid 748.92
    o-xylene 404.15
    formic acid 136.78
    diethyl ether 2766.21
    m-xylene 544.96
    p-xylene 497.99
    chlorobenzene 663.21
    dimethyl carbonate 216.37
    n-octane 60.36
    formamide 216.73
    cyclopentanone 1341.29
    2-pentanone 1910.78
    anisole 810.03
    cyclopentyl methyl ether 1490.55
    gamma-butyrolactone 1226.38
    1-methoxy-2-propanol 1633.13
    pyridine 1394.08
    3-pentanone 947.76
    furfural 942.89
    n-dodecane 31.58
    diethylene glycol 700.87
    diisopropyl ether 707.27
    tert-amyl alcohol 2040.13
    acetylacetone 1181.37
    n-hexadecane 36.76
    acetophenone 585.01
    methyl propionate 1090.16
    isopentyl acetate 1734.28
    trichloroethylene 2378.5
    n-nonanol 387.42
    cyclohexanol 1283.81
    benzyl alcohol 585.86
    2-ethylhexanol 996.18
    isooctanol 463.25
    dipropyl ether 1368.3
    1,2-dichlorobenzene 527.87
    ethyl lactate 377.81
    propylene carbonate 831.37
    n-methylformamide 428.44
    2-pentanol 1700.57
    n-pentane 275.44
    1-propoxy-2-propanol 1726.2
    1-methoxy-2-propyl acetate 1407.29
    2-(2-methoxypropoxy) propanol 755.61
    mesitylene 304.8
    ε-caprolactone 1572.37
    p-cymene 291.89
    epichlorohydrin 1986.31
    1,1,1-trichloroethane 1575.33
    2-aminoethanol 439.39
    morpholine-4-carbaldehyde 1073.23
    sulfolane 806.35
    2,2,4-trimethylpentane 124.29
    2-methyltetrahydrofuran 2840.37
    n-hexyl acetate 1006.72
    isooctane 127.63
    2-(2-butoxyethoxy)ethanol 1160.31
    sec-butyl acetate 1071.11
    tert-butyl acetate 1426.4
    decalin 154.41
    glycerin 306.07
    diglyme 2000.86
    acrylic acid 373.36
    isopropyl myristate 340.89
    n-butyric acid 1739.95
    acetyl acetate 878.65
    di(2-ethylhexyl) phthalate 268.83
    ethyl propionate 1059.68
    nitromethane 952.48
    1,2-diethoxyethane 2149.7
    benzonitrile 700.71
    trioctyl phosphate 189.71
    1-bromopropane 1433.02
    gamma-valerolactone 1833.79
    n-decanol 267.7
    triethyl phosphate 316.82
    4-methyl-2-pentanol 868.13
    propionitrile 1091.27
    vinylene carbonate 641.8
    1,1,2-trichlorotrifluoroethane 878.78
    DMS 489.92
    cumene 296.73
    2-octanol 358.56
    2-hexanone 1410.52
    octyl acetate 379.65
    limonene 530.47
    1,2-dimethoxyethane 2055.18
    ethyl orthosilicate 365.37
    tributyl phosphate 270.36
    diacetone alcohol 1222.33
    N,N-dimethylaniline 436.25
    acrylonitrile 827.07
    aniline 785.24
    1,3-propanediol 879.09
    bromobenzene 704.92
    dibromomethane 1633.73
    1,1,2,2-tetrachloroethane 1777.7
    2-methyl-cyclohexyl acetate 710.93
    tetrabutyl urea 298.85
    diisobutyl methanol 556.81
    2-phenylethanol 674.59
    styrene 540.03
    dioctyl adipate 445.16
    dimethyl sulfate 219.93
    ethyl butyrate 1270.53
    methyl lactate 327.42
    butyl lactate 500.61
    diethyl carbonate 620.3
    propanediol butyl ether 697.65
    triethyl orthoformate 714.93
    p-tert-butyltoluene 285.05
    methyl 4-tert-butylbenzoate 489.83
    morpholine 3363.84
    tert-butylamine 1865.92
    n-dodecanol 195.69
    dimethoxymethane 917.9
    ethylene carbonate 636.67
    cyrene 454.21
    2-ethoxyethyl acetate 1026.3
    2-ethylhexyl acetate 1211.29
    1,2,4-trichlorobenzene 634.89
    4-methylpyridine 1487.19
    dibutyl ether 943.64
    2,6-dimethyl-4-heptanol 556.81
    DEF 1243.09
    dimethyl isosorbide 1072.58
    tetrachloroethylene 1094.82
    eugenol 468.88
    triacetin 690.39
    span 80 641.03
    1,4-butanediol 297.59
    1,1-dichloroethane 1846.81
    2-methyl-1-pentanol 1178.93
    methyl formate 276.65
    2-methyl-1-butanol 1508.16
    n-decane 68.56
    butyronitrile 1655.89
    3,7-dimethyl-1-octanol 606.9
    1-chlorooctane 321.99
    1-chlorotetradecane 101.83
    n-nonane 74.79
    undecane 44.07
    tert-butylcyclohexane 176.45
    cyclooctane 104.74
    cyclopentanol 938.58
    tetrahydropyran 3354.86
    tert-amyl methyl ether 1552.65
    2,5,8-trioxanonane 1146.14
    1-hexene 1422.52
    2-isopropoxyethanol 1030.03
    2,2,2-trifluoroethanol 145.81
    methyl butyrate 1393.09

    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