4,8-Dimethyl-4,9-decadienal

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  • Identifiers

    CAS number
    71077-31-1

    Molecular formula
    C12H20O

    SMILES
    CC(CCC=C(C)CCC=O)C=C

    Safety labels

    Irritant
    Irritant

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Floral 74.99%
    Aldehydic 65.35%
    Citrus 63.75%
    Fresh 56.74%
    Waxy 53.5%
    Green 49.53%
    Muguet 44.8%
    Ozone 41.12%
    Rose 40.72%
    Lily 40.72%

     

    Flavor
    Citrus 58.54%
    Floral 46.63%
    Green 38.66%
    Waxy 38.65%
    Fresh 36.55%
    Orange 36.08%
    Herbal 32.95%
    Spicy 32.62%
    Sweet 31.64%
    Melon 31.17%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.5

    pKa est.
    7.85 (neutral)

    Molecular weight
    180.29 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    228°C

    Flash point

    • 101.7 ˚C est.

  • Synonyms

    • 4,8-Dimethyl-4,9-decadienal
    • 4,9-Decadienal, 4,8-dimethyl-
    • 71077-31-1
    • DTXSID70867985
    • 4,8-Dimethyldeca-4,9-dienal
    • EINECS 275-174-6
    • DTXCID70816130
    • NS00100360
    • 275-174-6

  • Applications

    4,8-Dimethyl-4,9-decadienal (CAS 71077-31-1) is primarily used as a fragrance ingredient in perfumery and personal care products, contributing a distinctive odor profile to formulations. It also serves as an aroma intermediate and a building block for synthesizing related fragrance materials in the industrial fragrance sector. In household products, it may be added as a fragrance component to impart specific scent characteristics. The compound can be evaluated for use as a flavor/aroma additive in limited flavor applications, depending on regulatory constraints. Its use is formulation-specific and subject to local regulations and limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1867.46
    methanol 1356.61
    isopropanol 1347.48
    water 0.12
    ethyl acetate 1479.84
    n-propanol 1324.91
    acetone 917.31
    n-butanol 1296.24
    acetonitrile 681.52
    DMF 455.77
    toluene 579.66
    isobutanol 785.13
    1,4-dioxane 1873.29
    methyl acetate 794.97
    THF 1900.2
    2-butanone 1158.32
    n-pentanol 846.4
    sec-butanol 1066.7
    n-hexane 187.33
    ethylene glycol 89.08
    NMP 297.73
    cyclohexane 233.25
    DMSO 652.1
    n-butyl acetate 1028.05
    n-octanol 184.98
    chloroform 1636.07
    n-propyl acetate 746.64
    acetic acid 448.36
    dichloromethane 1410.61
    cyclohexanone 1002.99
    propylene glycol 245.5
    isopropyl acetate 749.44
    DMAc 473.42
    2-ethoxyethanol 835.62
    isopentanol 929.56
    n-heptane 89.47
    ethyl formate 421.42
    1,2-dichloroethane 1053.19
    n-hexanol 980.9
    2-methoxyethanol 1206.29
    isobutyl acetate 413.71
    tetrachloromethane 243.1
    n-pentyl acetate 351.5
    transcutol 3154.28
    n-heptanol 233.63
    ethylbenzene 259.06
    MIBK 528.77
    2-propoxyethanol 1141.55
    tert-butanol 1311.07
    MTBE 1430.38
    2-butoxyethanol 422.68
    propionic acid 411.91
    o-xylene 244.83
    formic acid 101.45
    diethyl ether 1998.32
    m-xylene 350.56
    p-xylene 255.45
    chlorobenzene 441.55
    dimethyl carbonate 118.54
    n-octane 23.44
    formamide 153.35
    cyclopentanone 742.47
    2-pentanone 1037.76
    anisole 475.84
    cyclopentyl methyl ether 890.74
    gamma-butyrolactone 640.73
    1-methoxy-2-propanol 936.57
    pyridine 1138.87
    3-pentanone 586.73
    furfural 582.32
    n-dodecane 12.85
    diethylene glycol 469.91
    diisopropyl ether 369.7
    tert-amyl alcohol 908.38
    acetylacetone 643.22
    n-hexadecane 15.12
    acetophenone 341.72
    methyl propionate 610.29
    isopentyl acetate 839.67
    trichloroethylene 1490.79
    n-nonanol 167.52
    cyclohexanol 763.78
    benzyl alcohol 381.52
    2-ethylhexanol 491.4
    isooctanol 191.64
    dipropyl ether 744.2
    1,2-dichlorobenzene 345.3
    ethyl lactate 189.37
    propylene carbonate 398.88
    n-methylformamide 296.19
    2-pentanol 876.92
    n-pentane 156.11
    1-propoxy-2-propanol 890.86
    1-methoxy-2-propyl acetate 802.48
    2-(2-methoxypropoxy) propanol 405.9
    mesitylene 184.41
    ε-caprolactone 817.24
    p-cymene 145.5
    epichlorohydrin 1255.05
    1,1,1-trichloroethane 907.48
    2-aminoethanol 343.88
    morpholine-4-carbaldehyde 625.3
    sulfolane 510.58
    2,2,4-trimethylpentane 57.58
    2-methyltetrahydrofuran 1670.4
    n-hexyl acetate 436.96
    isooctane 55.24
    2-(2-butoxyethoxy)ethanol 605.3
    sec-butyl acetate 518.67
    tert-butyl acetate 679.75
    decalin 84.12
    glycerin 221.83
    diglyme 1163.76
    acrylic acid 227.2
    isopropyl myristate 158.49
    n-butyric acid 896.8
    acetyl acetate 440.49
    di(2-ethylhexyl) phthalate 133.67
    ethyl propionate 541.2
    nitromethane 537.43
    1,2-diethoxyethane 1331.85
    benzonitrile 418.82
    trioctyl phosphate 87.39
    1-bromopropane 1011.88
    gamma-valerolactone 1007.78
    n-decanol 117.24
    triethyl phosphate 176.91
    4-methyl-2-pentanol 383.66
    propionitrile 713.48
    vinylene carbonate 337.98
    1,1,2-trichlorotrifluoroethane 546.68
    DMS 277.67
    cumene 155.41
    2-octanol 139.53
    2-hexanone 750.5
    octyl acetate 172.53
    limonene 256.7
    1,2-dimethoxyethane 1297.07
    ethyl orthosilicate 204.38
    tributyl phosphate 127.7
    diacetone alcohol 586.85
    N,N-dimethylaniline 250.39
    acrylonitrile 552.31
    aniline 540.14
    1,3-propanediol 603.74
    bromobenzene 460.64
    dibromomethane 1107.76
    1,1,2,2-tetrachloroethane 1131.08
    2-methyl-cyclohexyl acetate 358.35
    tetrabutyl urea 148.96
    diisobutyl methanol 270.73
    2-phenylethanol 422.97
    styrene 341.03
    dioctyl adipate 219.12
    dimethyl sulfate 136.46
    ethyl butyrate 642.28
    methyl lactate 174.87
    butyl lactate 236.8
    diethyl carbonate 333.24
    propanediol butyl ether 337.79
    triethyl orthoformate 384.42
    p-tert-butyltoluene 147.55
    methyl 4-tert-butylbenzoate 242.07
    morpholine 2441.61
    tert-butylamine 857.19
    n-dodecanol 86.13
    dimethoxymethane 618.93
    ethylene carbonate 326.37
    cyrene 242.48
    2-ethoxyethyl acetate 543.44
    2-ethylhexyl acetate 604.7
    1,2,4-trichlorobenzene 388.03
    4-methylpyridine 1023.11
    dibutyl ether 439.17
    2,6-dimethyl-4-heptanol 270.73
    DEF 755.46
    dimethyl isosorbide 602.95
    tetrachloroethylene 750.03
    eugenol 239.22
    triacetin 349.24
    span 80 323.71
    1,4-butanediol 194.4
    1,1-dichloroethane 1154.67
    2-methyl-1-pentanol 607.26
    methyl formate 167.66
    2-methyl-1-butanol 797.75
    n-decane 28.29
    butyronitrile 927.17
    3,7-dimethyl-1-octanol 257.77
    1-chlorooctane 132.63
    1-chlorotetradecane 45.69
    n-nonane 29.55
    undecane 17.87
    tert-butylcyclohexane 83.96
    cyclooctane 63.88
    cyclopentanol 507.33
    tetrahydropyran 2445.41
    tert-amyl methyl ether 796.31
    2,5,8-trioxanonane 668.17
    1-hexene 721.64
    2-isopropoxyethanol 587.72
    2,2,2-trifluoroethanol 78.63
    methyl butyrate 691.77

    Scent© AI

1 4

IFRA standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.042 % Category 7A
Rinse-off products applied to the hair with some hand contact
 0.48 %
Category 2
Products applied to the axillae
 0.013 % Category 7B
Leave-on products applied to the hair with some hand contact
 0.48 %
Category 3
Products applied to the face/body using fingertips
 0.25 % Category 8
Products with significant anogenital exposure
 0.02 %
Category 4
Products related to fine fragrance
 0.24 % Category 9
Products with body and hand exposure, primarily rinse off
 0.46 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.06 % Category 10A
Household care products with mostly hand contact
 0.46 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.06 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 1.7 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.06 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.02 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.02 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.02 %
Category 6
Products with oral and lip exposure
 0.14 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction