p-METHOXY-alpha-METHYLCINNAMALDEHYDE

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  • Identifiers

    CAS number
    65405-67-6

    Molecular formula
    C11H12O2

    SMILES
    CC(=CC1=CC=C(C=C1)OC)C=O

    Safety labels

  • Odor profile

    Fragrance
    Sweet 75.07%
    Spicy 73.87%
    Floral 73.5%
    Cinnamon 53.58%
    Fruity 51.76%
    Herbal 50.04%
    Anisic 48.42%
    Cherry 45.59%
    Warm 43.46%
    Powdery 42.53%

     

    Flavor
    Spicy 37.68%
    Sweet 37.67%
    Woody 31.79%
    Floral 30.95%
    Herbal 30.66%
    Spice 29.85%
    Cinnamon 29.07%
    Balsam 27.65%
    Minty 26.72%
    Cherry 25.72%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.2

    pKa est.
    7.77 (neutral)

    Molecular weight
    176.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    293°C

    Flash point

    • 118.47 ˚C est.

    Solubility expt.

    • insoluble in water; insoluble in oils
    • miscible (in ethanol)

  • Synonyms

    • 2-Propenal, 3-(4-methoxyphenyl)-2-methyl-
    • 3-(4-methoxyphenyl)-2-methylprop-2-enal
    • 65405-67-6
    • FEMA No. 3182
    • p-Methoxy-alpha-methylcinnamaldehyde
    • alpha-Methyl-4-methoxycinnamaldehyde
    • alpha-Methyl p-methoxy cinnamic aldehyde
    • Cinnamaldehyde, p-methoxy-alpha-methyl-
    • H6R7854MQE
    • DTXSID70867142
    • NSC 22285
    • NSC-22285
    • p-Methoxy-.alpha.-methylcinnamaldehyde
    • NSC-638172
    • RefChem:858114
    • DTXCID50815348
    • p-methoxy-alpha-methyl cinnamaldehyde
    • .ALPHA.-METHYL-4-METHOXYCINNAMALDEHYDE
    • CINNAMALDEHYDE, P-METHOXY-.ALPHA.-METHYL-
    • P-METHOXY-ALPHA-METHYL CINNAMALDEHYDE [FHFI]
    • 3-(4-Methoxyphenyl)-2-methylacrylaldehyde
    • alpha-Methylmethoxycinnamic aldehyde
    • EINECS 265-737-4
    • UNII-H6R7854MQE
    • SCHEMBL3071942
    • AKOS017516037
    • 3-(4-methoxyphenyl)-2-methyl-prop-2-enal
    • 3-(4-methoxyphenyl)-2-methylpropenaldehyde
    • NS00056223
    • 65405-67-6

  • Applications

    p-METHOXY-alpha-METHYLCINNAMALDEHYDE (CAS 65405-67-6) is used primarily as a fragrance intermediate in perfumery and cosmetics, providing cinnamon- or anis-like notes and may act as an odorant or fragrance fixative in formulations; it is used as a fragrance ingredient in personal care and household products; it is also employed as an intermediate in the synthesis of other fragrance compounds for industrial manufacturing and in coatings and inks to enhance scent profiles; in some cases it may be evaluated for flavor/aroma applications in select formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 250.25
    methanol 244.42
    isopropanol 150.72
    water 0.52
    ethyl acetate 671.22
    n-propanol 164.13
    acetone 503.71
    n-butanol 128.77
    acetonitrile 530.54
    DMF 396.44
    toluene 173.21
    isobutanol 91.22
    1,4-dioxane 694.57
    methyl acetate 615.08
    THF 599.75
    2-butanone 467.45
    n-pentanol 112.88
    sec-butanol 124.12
    n-hexane 6.39
    ethylene glycol 103.71
    NMP 269.17
    cyclohexane 7.55
    DMSO 704.99
    n-butyl acetate 264.65
    n-octanol 42.71
    chloroform 917.37
    n-propyl acetate 253.38
    acetic acid 321.64
    dichloromethane 1109.6
    cyclohexanone 316.12
    propylene glycol 134.3
    isopropyl acetate 226.36
    DMAc 411.62
    2-ethoxyethanol 390.54
    isopentanol 118.57
    n-heptane 6.77
    ethyl formate 252.92
    1,2-dichloroethane 728.48
    n-hexanol 107.95
    2-methoxyethanol 514.07
    isobutyl acetate 139.67
    tetrachloromethane 77.14
    n-pentyl acetate 94.73
    transcutol 1483.23
    n-heptanol 40.97
    ethylbenzene 83.21
    MIBK 161.89
    2-propoxyethanol 287.51
    tert-butanol 276.08
    MTBE 250.71
    2-butoxyethanol 135.17
    propionic acid 231.39
    o-xylene 91.52
    formic acid 176.17
    diethyl ether 316.29
    m-xylene 93.76
    p-xylene 91.33
    chlorobenzene 221.08
    dimethyl carbonate 193.76
    n-octane 3.73
    formamide 358.96
    cyclopentanone 432.28
    2-pentanone 294.4
    anisole 282.7
    cyclopentyl methyl ether 217.9
    gamma-butyrolactone 571.85
    1-methoxy-2-propanol 333.7
    pyridine 456.04
    3-pentanone 241.34
    furfural 533.25
    n-dodecane 3.85
    diethylene glycol 276.39
    diisopropyl ether 65.1
    tert-amyl alcohol 178.45
    acetylacetone 412.24
    n-hexadecane 4.51
    acetophenone 212.23
    methyl propionate 418.94
    isopentyl acetate 207.93
    trichloroethylene 1378.82
    n-nonanol 42.21
    cyclohexanol 97.9
    benzyl alcohol 182.32
    2-ethylhexanol 68.86
    isooctanol 39.33
    dipropyl ether 104.4
    1,2-dichlorobenzene 197.46
    ethyl lactate 114.93
    propylene carbonate 269.31
    n-methylformamide 311.36
    2-pentanol 92.98
    n-pentane 4.33
    1-propoxy-2-propanol 187.6
    1-methoxy-2-propyl acetate 293.74
    2-(2-methoxypropoxy) propanol 206.79
    mesitylene 55.25
    ε-caprolactone 300.39
    p-cymene 49.63
    epichlorohydrin 903.76
    1,1,1-trichloroethane 507.48
    2-aminoethanol 156.71
    morpholine-4-carbaldehyde 481.67
    sulfolane 516.6
    2,2,4-trimethylpentane 7.62
    2-methyltetrahydrofuran 373.39
    n-hexyl acetate 136.43
    isooctane 6.75
    2-(2-butoxyethoxy)ethanol 271.28
    sec-butyl acetate 163.72
    tert-butyl acetate 253.6
    decalin 11.89
    glycerin 197.78
    diglyme 561.56
    acrylic acid 225.07
    isopropyl myristate 59.58
    n-butyric acid 233.61
    acetyl acetate 301.12
    di(2-ethylhexyl) phthalate 59.4
    ethyl propionate 231.73
    nitromethane 844.67
    1,2-diethoxyethane 385.72
    benzonitrile 207.26
    trioctyl phosphate 37.11
    1-bromopropane 229.56
    gamma-valerolactone 544.65
    n-decanol 33.25
    triethyl phosphate 92.47
    4-methyl-2-pentanol 59.92
    propionitrile 276.71
    vinylene carbonate 273.07
    1,1,2-trichlorotrifluoroethane 488.67
    DMS 218.42
    cumene 57.38
    2-octanol 28.71
    2-hexanone 202.87
    octyl acetate 69.69
    limonene 63.21
    1,2-dimethoxyethane 502.89
    ethyl orthosilicate 85.6
    tributyl phosphate 59.55
    diacetone alcohol 273.66
    N,N-dimethylaniline 147.35
    acrylonitrile 364.17
    aniline 213.67
    1,3-propanediol 213.7
    bromobenzene 239.88
    dibromomethane 593.11
    1,1,2,2-tetrachloroethane 787.22
    2-methyl-cyclohexyl acetate 123.0
    tetrabutyl urea 73.84
    diisobutyl methanol 50.45
    2-phenylethanol 142.95
    styrene 118.2
    dioctyl adipate 99.44
    dimethyl sulfate 277.35
    ethyl butyrate 185.74
    methyl lactate 151.56
    butyl lactate 86.72
    diethyl carbonate 152.54
    propanediol butyl ether 132.94
    triethyl orthoformate 122.53
    p-tert-butyltoluene 49.1
    methyl 4-tert-butylbenzoate 141.24
    morpholine 657.66
    tert-butylamine 122.55
    n-dodecanol 27.16
    dimethoxymethane 395.02
    ethylene carbonate 209.35
    cyrene 175.46
    2-ethoxyethyl acetate 245.44
    2-ethylhexyl acetate 158.13
    1,2,4-trichlorobenzene 261.03
    4-methylpyridine 363.42
    dibutyl ether 92.36
    2,6-dimethyl-4-heptanol 50.45
    DEF 268.08
    dimethyl isosorbide 318.03
    tetrachloroethylene 427.04
    eugenol 152.05
    triacetin 195.41
    span 80 117.63
    1,4-butanediol 90.49
    1,1-dichloroethane 580.09
    2-methyl-1-pentanol 104.51
    methyl formate 282.82
    2-methyl-1-butanol 98.09
    n-decane 5.96
    butyronitrile 211.03
    3,7-dimethyl-1-octanol 62.46
    1-chlorooctane 35.97
    1-chlorotetradecane 16.3
    n-nonane 5.41
    undecane 4.62
    tert-butylcyclohexane 13.87
    cyclooctane 3.99
    cyclopentanol 100.11
    tetrahydropyran 357.71
    tert-amyl methyl ether 168.88
    2,5,8-trioxanonane 360.65
    1-hexene 46.29
    2-isopropoxyethanol 248.81
    2,2,2-trifluoroethanol 148.67
    methyl butyrate 260.47

    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