Ethyl 2,2-dimethylhydrocinnamal

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  • Identifiers

    CAS number
    67634-15-5

    Molecular formula
    C13H18O

    SMILES
    CCC1=CC=C(C=C1)CC(C)(C)C=O

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Floral 87.4%
    Green 73.21%
    Fresh 67.89%
    Aldehydic 63.05%
    Muguet 60.97%
    Lily 54.27%
    Ozone 52.01%
    Citrus 41.83%
    Herbal 39.74%
    Clean 31.97%

     

    Flavor
    Green 62.55%
    Floral 58.27%
    Fruity 38.69%
    Citrus 36.93%
    Fresh 34.09%
    Rose 32.4%
    Herbal 32.39%
    Bitter 32.33%
    Woody 29.52%
    Sweet 28.77%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.3

    pKa est.
    7.7 (neutral)

    Molecular weight
    190.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    258°C

    Flash point

    • 117.67 ˚C est.

  • Synonyms

    • 3-(4-ethylphenyl)-2,2-dimethylpropanal
    • 67634-15-5
    • Floralozone
    • Florazone
    • Ethyl 2,2-dimethylhydrocinnamal
    • EINECS 266-819-2
    • 5V2FN5AA3W
    • Benzenepropanal, 4-ethyl-alpha,alpha-dimethyl-
    • 2,2-Dimethyl-3-(p-ethylphenyl)propanal
    • alpha,alpha-Dimethyl-p-ethylphenylpropanal
    • alpha,alpha-Dimethyl-4-ethylbenzenepropanal
    • SEAWIND ALDEHYDE E
    • Benzenepropanal, 4-ethyl-.alpha.,.alpha.-dimethyl-
    • Benzenepropanal, 2(or 4)-ethyl-alpha,alpha-dimethyl-
    • DTXSID3052359
    • 3-(p-Ethylphenyl)-2,2-dimethylpropionaldehyde
    • Benzenepropanal, alpha,alpha-dimethyl-4-ethyl-
    • ETHYL DIMETHYL HYDROCINNAMALDEHYDE
    • .ALPHA.,.ALPHA.-DIMETHYL-P-ETHYLPHENYLPROPANAL
    • p-ethyl-.alpha.,.alpha.-dimethyl hydrocinnamic aldehyde
    • Ethyl dimethylhydrocinnamaldehyde
    • UNII-5V2FN5AA3W
    • Florazone?
    • Floralozone; Florazon; Seawind Aldehyde E; alpha,alpha-Dimethyl-p-ethylphenylpropanal
    • SCHEMBL111724
    • DTXCID7030931
    • DTXSID901067701
    • ZB1128
    • AKOS006272196
    • SB40401
    • DB-338900
    • NS00012454
    • ETHYL 2,2-DIMETHYLHYDROCINNAMAL [INCI]
    • H20540
    • 3-(4-ethyl-phenyl)-2,2-dimethyl-propionaldehyde
    • Q27262908
    • Benzenepropanal, 2(or 4)-ethyl-.alpha.,.alpha.-dimethyl-
    • 93963-78-1

  • Applications

    Ethyl 2,2-dimethylhydrocinnamal (CAS 67634-15-5) is typically used in perfumery as an odorant and fragrance ingredient, providing spicy or cinnamon-like notes; it may also function as an intermediate in fragrance synthesis and, where permitted, as a fixative to extend scent in formulations. In cosmetics and personal care, it can serve as a fragrance component; in household products, it is employed as a scented additive to impart a lasting aroma. The compound can be used in polymers/plastics and coatings/inks as a fragrance additive or odorant for scent release in consumer articles; it may also find use in cleaning products to deliver a characteristic aroma. Overall, use is formulation-dependent and subject to local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1005.4
    methanol 858.19
    isopropanol 773.8
    water 0.45
    ethyl acetate 2136.47
    n-propanol 778.12
    acetone 1368.08
    n-butanol 772.64
    acetonitrile 1125.42
    DMF 1463.08
    toluene 516.73
    isobutanol 562.62
    1,4-dioxane 1573.15
    methyl acetate 1512.1
    THF 1545.65
    2-butanone 1310.58
    n-pentanol 577.62
    sec-butanol 585.61
    n-hexane 289.28
    ethylene glycol 123.25
    NMP 616.43
    cyclohexane 172.52
    DMSO 474.4
    n-butyl acetate 1659.08
    n-octanol 314.86
    chloroform 2301.84
    n-propyl acetate 1100.34
    acetic acid 569.55
    dichloromethane 1923.82
    cyclohexanone 1221.21
    propylene glycol 219.26
    isopropyl acetate 1407.26
    DMAc 1090.74
    2-ethoxyethanol 859.37
    isopentanol 793.94
    n-heptane 125.14
    ethyl formate 855.86
    1,2-dichloroethane 1560.95
    n-hexanol 989.35
    2-methoxyethanol 1125.82
    isobutyl acetate 839.02
    tetrachloromethane 318.69
    n-pentyl acetate 506.06
    transcutol 2739.29
    n-heptanol 342.39
    ethylbenzene 434.23
    MIBK 891.16
    2-propoxyethanol 1395.88
    tert-butanol 1094.07
    MTBE 1623.52
    2-butoxyethanol 592.42
    propionic acid 556.56
    o-xylene 362.08
    formic acid 150.32
    diethyl ether 1844.64
    m-xylene 439.53
    p-xylene 479.37
    chlorobenzene 704.04
    dimethyl carbonate 462.4
    n-octane 61.74
    formamide 265.62
    cyclopentanone 1156.96
    2-pentanone 1314.45
    anisole 848.69
    cyclopentyl methyl ether 938.24
    gamma-butyrolactone 1143.47
    1-methoxy-2-propanol 1030.22
    pyridine 859.71
    3-pentanone 992.29
    furfural 970.04
    n-dodecane 39.54
    diethylene glycol 704.41
    diisopropyl ether 606.73
    tert-amyl alcohol 751.61
    acetylacetone 1230.03
    n-hexadecane 44.81
    acetophenone 639.68
    methyl propionate 1249.01
    isopentyl acetate 1430.52
    trichloroethylene 2516.51
    n-nonanol 275.47
    cyclohexanol 508.06
    benzyl alcohol 483.39
    2-ethylhexanol 609.12
    isooctanol 309.66
    dipropyl ether 914.7
    1,2-dichlorobenzene 668.21
    ethyl lactate 394.79
    propylene carbonate 881.39
    n-methylformamide 639.8
    2-pentanol 637.59
    n-pentane 158.85
    1-propoxy-2-propanol 1094.19
    1-methoxy-2-propyl acetate 1331.0
    2-(2-methoxypropoxy) propanol 547.37
    mesitylene 303.43
    ε-caprolactone 1096.35
    p-cymene 251.33
    epichlorohydrin 1707.41
    1,1,1-trichloroethane 1556.27
    2-aminoethanol 331.75
    morpholine-4-carbaldehyde 1134.0
    sulfolane 817.56
    2,2,4-trimethylpentane 90.88
    2-methyltetrahydrofuran 1179.27
    n-hexyl acetate 707.65
    isooctane 103.35
    2-(2-butoxyethoxy)ethanol 800.07
    sec-butyl acetate 924.3
    tert-butyl acetate 1352.03
    decalin 140.93
    glycerin 269.9
    diglyme 1441.99
    acrylic acid 382.29
    isopropyl myristate 311.01
    n-butyric acid 1126.1
    acetyl acetate 953.93
    di(2-ethylhexyl) phthalate 217.83
    ethyl propionate 981.18
    nitromethane 1074.96
    1,2-diethoxyethane 1357.36
    benzonitrile 605.18
    trioctyl phosphate 160.82
    1-bromopropane 1028.35
    gamma-valerolactone 1526.94
    n-decanol 208.76
    triethyl phosphate 305.01
    4-methyl-2-pentanol 487.57
    propionitrile 948.02
    vinylene carbonate 785.57
    1,1,2-trichlorotrifluoroethane 860.95
    DMS 624.06
    cumene 322.61
    2-octanol 217.4
    2-hexanone 955.88
    octyl acetate 340.14
    limonene 357.93
    1,2-dimethoxyethane 1516.4
    ethyl orthosilicate 340.03
    tributyl phosphate 246.88
    diacetone alcohol 963.67
    N,N-dimethylaniline 517.84
    acrylonitrile 914.85
    aniline 526.09
    1,3-propanediol 519.28
    bromobenzene 767.9
    dibromomethane 1307.59
    1,1,2,2-tetrachloroethane 2013.43
    2-methyl-cyclohexyl acetate 583.09
    tetrabutyl urea 269.29
    diisobutyl methanol 360.84
    2-phenylethanol 579.96
    styrene 502.47
    dioctyl adipate 367.27
    dimethyl sulfate 448.48
    ethyl butyrate 1035.73
    methyl lactate 414.67
    butyl lactate 374.17
    diethyl carbonate 589.97
    propanediol butyl ether 439.91
    triethyl orthoformate 572.4
    p-tert-butyltoluene 265.26
    methyl 4-tert-butylbenzoate 463.83
    morpholine 1571.17
    tert-butylamine 754.64
    n-dodecanol 163.55
    dimethoxymethane 1147.65
    ethylene carbonate 703.24
    cyrene 398.57
    2-ethoxyethyl acetate 764.63
    2-ethylhexyl acetate 1016.25
    1,2,4-trichlorobenzene 702.24
    4-methylpyridine 1103.37
    dibutyl ether 605.53
    2,6-dimethyl-4-heptanol 360.84
    DEF 1276.02
    dimethyl isosorbide 836.66
    tetrachloroethylene 1171.43
    eugenol 454.87
    triacetin 551.06
    span 80 412.83
    1,4-butanediol 243.79
    1,1-dichloroethane 1773.72
    2-methyl-1-pentanol 577.98
    methyl formate 517.54
    2-methyl-1-butanol 603.62
    n-decane 69.59
    butyronitrile 1061.6
    3,7-dimethyl-1-octanol 391.86
    1-chlorooctane 296.22
    1-chlorotetradecane 109.46
    n-nonane 73.78
    undecane 50.77
    tert-butylcyclohexane 167.95
    cyclooctane 75.8
    cyclopentanol 385.96
    tetrahydropyran 1366.83
    tert-amyl methyl ether 972.93
    2,5,8-trioxanonane 832.51
    1-hexene 837.24
    2-isopropoxyethanol 755.39
    2,2,2-trifluoroethanol 205.17
    methyl butyrate 1177.23

    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