3-Methyl-2-[(4-propan-2-ylphenyl)methylidene]butanal

  • Identifiers

    Molecular formula
    C15H20O

    SMILES
    CC(C)C1=CC=C(C=C1)C=C(C=O)C(C)C

  • Odor profile

    Fragrance
    Green 76.03%
    Herbal 74.42%
    Spicy 56.48%
    Woody 51.93%
    Fresh 38.17%
    Leafy 36.63%
    Mint 34.27%
    Earthy 30.94%
    Floral 30.75%
    Cortex 30.55%

     

    Flavor
    Herbal 46.9%
    Green 42.31%
    Bitter 32.57%
    Spicy 30.16%
    Woody 26.83%
    Herb 25.86%
    Citrus 24.66%
    Floral 23.69%
    Fresh 23.2%
    Spice 21.93%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    4.1

    pKa est.
    8.23 (weak base)

    Molecular weight
    216.32 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    300°C

    Flash point

    • 133.6 ˚C est.

  • Synonyms

    • AKOS017551132
  • Applications

    3-Methyl-2-[(4-propan-2-ylphenyl)methylidene]butanal is primarily used as an organic synthesis intermediate for aromatic aldehyde–based fragrance compounds. In perfumery and cosmetics, it serves as a building block to develop fragrance derivatives and can be converted into additional fragrance ingredients for personal care products. It may also act as a precursor for dye- and pigment-related components used in coatings and inks, or as part of synthetic routes to pharmaceutical and agrochemical intermediates in industrial research. In materials science, it can function as a building block for specialty polymers or functionalized derivatives for advanced materials. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 722.45
    methanol 309.67
    isopropanol 639.45
    water 0.15
    ethyl acetate 1673.2
    n-propanol 685.9
    acetone 1747.89
    n-butanol 638.81
    acetonitrile 1042.58
    DMF 1849.81
    toluene 671.17
    isobutanol 497.29
    1,4-dioxane 1703.19
    methyl acetate 1379.33
    THF 1857.88
    2-butanone 1748.58
    n-pentanol 399.54
    sec-butanol 570.36
    n-hexane 208.85
    ethylene glycol 31.99
    NMP 981.39
    cyclohexane 195.68
    DMSO 532.12
    n-butyl acetate 1054.29
    n-octanol 155.45
    chloroform 2408.63
    n-propyl acetate 794.84
    acetic acid 305.6
    dichloromethane 2441.93
    cyclohexanone 1760.96
    propylene glycol 97.97
    isopropyl acetate 843.46
    DMAc 1268.4
    2-ethoxyethanol 447.88
    isopentanol 504.25
    n-heptane 80.89
    ethyl formate 544.1
    1,2-dichloroethane 1992.32
    n-hexanol 537.85
    2-methoxyethanol 717.94
    isobutyl acetate 469.54
    tetrachloromethane 280.21
    n-pentyl acetate 385.47
    transcutol 1506.66
    n-heptanol 185.45
    ethylbenzene 354.39
    MIBK 624.15
    2-propoxyethanol 751.55
    tert-butanol 729.28
    MTBE 1152.47
    2-butoxyethanol 314.38
    propionic acid 384.83
    o-xylene 340.53
    formic acid 41.22
    diethyl ether 1693.9
    m-xylene 424.93
    p-xylene 418.77
    chlorobenzene 768.62
    dimethyl carbonate 308.11
    n-octane 42.34
    formamide 145.19
    cyclopentanone 1811.68
    2-pentanone 1436.85
    anisole 632.71
    cyclopentyl methyl ether 996.38
    gamma-butyrolactone 1422.45
    1-methoxy-2-propanol 658.33
    pyridine 1406.16
    3-pentanone 1155.39
    furfural 894.26
    n-dodecane 23.39
    diethylene glycol 271.13
    diisopropyl ether 376.73
    tert-amyl alcohol 535.96
    acetylacetone 1018.68
    n-hexadecane 27.95
    acetophenone 524.97
    methyl propionate 1114.79
    isopentyl acetate 825.09
    trichloroethylene 2954.93
    n-nonanol 152.92
    cyclohexanol 551.9
    benzyl alcohol 375.37
    2-ethylhexanol 324.29
    isooctanol 167.05
    dipropyl ether 619.52
    1,2-dichlorobenzene 625.52
    ethyl lactate 211.43
    propylene carbonate 715.02
    n-methylformamide 535.14
    2-pentanol 504.19
    n-pentane 129.82
    1-propoxy-2-propanol 612.74
    1-methoxy-2-propyl acetate 753.64
    2-(2-methoxypropoxy) propanol 309.82
    mesitylene 239.18
    ε-caprolactone 1211.52
    p-cymene 166.95
    epichlorohydrin 1979.0
    1,1,1-trichloroethane 1613.1
    2-aminoethanol 134.52
    morpholine-4-carbaldehyde 1012.31
    sulfolane 1059.33
    2,2,4-trimethylpentane 48.75
    2-methyltetrahydrofuran 1499.92
    n-hexyl acetate 492.77
    isooctane 46.97
    2-(2-butoxyethoxy)ethanol 433.72
    sec-butyl acetate 550.97
    tert-butyl acetate 735.21
    decalin 101.22
    glycerin 93.79
    diglyme 899.43
    acrylic acid 238.3
    isopropyl myristate 198.61
    n-butyric acid 704.71
    acetyl acetate 550.85
    di(2-ethylhexyl) phthalate 136.86
    ethyl propionate 704.54
    nitromethane 818.94
    1,2-diethoxyethane 964.74
    benzonitrile 528.72
    trioctyl phosphate 98.75
    1-bromopropane 1271.88
    gamma-valerolactone 1735.72
    n-decanol 118.85
    triethyl phosphate 205.08
    4-methyl-2-pentanol 258.39
    propionitrile 871.49
    vinylene carbonate 602.69
    1,1,2-trichlorotrifluoroethane 661.4
    DMS 434.04
    cumene 216.54
    2-octanol 141.23
    2-hexanone 798.95
    octyl acetate 238.84
    limonene 256.64
    1,2-dimethoxyethane 1110.74
    ethyl orthosilicate 207.62
    tributyl phosphate 143.51
    diacetone alcohol 593.51
    N,N-dimethylaniline 355.76
    acrylonitrile 829.04
    aniline 593.05
    1,3-propanediol 273.48
    bromobenzene 841.96
    dibromomethane 1674.46
    1,1,2,2-tetrachloroethane 2193.0
    2-methyl-cyclohexyl acetate 379.83
    tetrabutyl urea 181.06
    diisobutyl methanol 187.98
    2-phenylethanol 382.71
    styrene 439.15
    dioctyl adipate 249.38
    dimethyl sulfate 361.72
    ethyl butyrate 634.21
    methyl lactate 238.09
    butyl lactate 240.94
    diethyl carbonate 362.68
    propanediol butyl ether 228.87
    triethyl orthoformate 352.39
    p-tert-butyltoluene 164.29
    methyl 4-tert-butylbenzoate 325.77
    morpholine 2054.84
    tert-butylamine 496.51
    n-dodecanol 91.94
    dimethoxymethane 1034.2
    ethylene carbonate 528.47
    cyrene 281.41
    2-ethoxyethyl acetate 570.7
    2-ethylhexyl acetate 631.78
    1,2,4-trichlorobenzene 659.48
    4-methylpyridine 1419.18
    dibutyl ether 415.67
    2,6-dimethyl-4-heptanol 187.98
    DEF 1372.23
    dimethyl isosorbide 581.49
    tetrachloroethylene 1132.75
    eugenol 290.67
    triacetin 358.85
    span 80 242.88
    1,4-butanediol 106.27
    1,1-dichloroethane 2059.49
    2-methyl-1-pentanol 348.12
    methyl formate 368.14
    2-methyl-1-butanol 471.73
    n-decane 44.42
    butyronitrile 883.94
    3,7-dimethyl-1-octanol 200.55
    1-chlorooctane 201.71
    1-chlorotetradecane 73.57
    n-nonane 46.44
    undecane 30.91
    tert-butylcyclohexane 94.97
    cyclooctane 64.31
    cyclopentanol 500.48
    tetrahydropyran 2033.4
    tert-amyl methyl ether 640.4
    2,5,8-trioxanonane 526.34
    1-hexene 638.92
    2-isopropoxyethanol 383.63
    2,2,2-trifluoroethanol 107.76
    methyl butyrate 900.55

    Scent© AI

1 of 4
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