Mayurone

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    4677-90-1

    Molecular formula
    C14H20O

    SMILES
    CC1(CCCC2(C13CC3C(=O)C=C2)C)C

  • Odor profile

    Woody 81.51%
    Cedar 49.79%
    Amber 47.42%
    Fruity 45.68%
    Dry 43.05%
    Musk 34.7%
    Tobacco 33.67%
    Vetiver 31.2%
    Orris 30.94%
    Spicy 29.45%

    Scent© AI

  • Properties

    XLogP3-AA
    3.7

    pKa est.
    8.19 (weak base)

    Molecular weight
    204.31 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    294°C

    Flash point est.
    112.42 ˚C

  • Synonyms

    • Mayurone
    • Mayuron
    • 4a,8,8-trimethyl-1a,5,6,7-tetrahydro-1H-cyclopropa[j]naphthalen-2-one
    • Cyclopropa[d]naphthalen-2(4aH)-one, 1,1a,5,6,7,8-hexahydro-4a,8,8-trimethyl-, (1aR,4aS,8aS)-(+)-
    • Cyclopropa[d]naphthalen-2(4aH)-one, 1,1a,5,6,7,8-hexahydro-4a,8,8-trimethyl-, [1aR-(1a.alpha.,4a.beta.,8aS*)]-
    • 4a,8,8-trimethyl-1a,5,6,7-tetrahydro-1H-cyclopropa(j)naphthalen-2-one
    • Cyclopropa(d)naphthalen-2(4aH)-one, 1,1a,5,6,7,8-hexahydro-4a,8,8-trimethyl-, (1aR,4aS,8aS)-(+)-
    • 4a,8,8-Trimethyl-1,1a,5,6,7,8-hexahydrocyclopropa[d]naphthalen-2(4ah)-one #
    • 4677-90-1
    • Cyclopropa(d)naphthalen-2(4aH)-one, 1,1a,5,6,7,8-hexahydro-4a,8,8-trimethyl-, (1aR-(1aalpha,4abeta,8aS*))-

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 72.82
    methanol 74.15
    isopropanol 61.66
    water 0.72
    ethyl acetate 141.42
    n-propanol 69.23
    acetone 173.83
    n-butanol 60.19
    acetonitrile 120.92
    DMF 243.44
    toluene 143.6
    isobutanol 47.33
    1,4-dioxane 280.93
    methyl acetate 150.5
    THF 439.5
    2-butanone 154.17
    n-pentanol 30.24
    sec-butanol 38.77
    n-hexane 4.32
    ethylene glycol 26.16
    NMP 158.67
    cyclohexane 11.63
    DMSO 127.22
    n-butyl acetate 73.67
    n-octanol 18.84
    chloroform 312.64
    n-propyl acetate 62.89
    acetic acid 51.51
    dichloromethane 278.92
    cyclohexanone 180.2
    propylene glycol 24.6
    isopropyl acetate 104.16
    DMAc 166.56
    2-ethoxyethanol 66.56
    isopentanol 50.57
    n-heptane 5.34
    ethyl formate 67.71
    1,2-dichloroethane 193.45
    n-hexanol 52.14
    2-methoxyethanol 146.31
    isobutyl acetate 49.92
    tetrachloromethane 50.32
    n-pentyl acetate 49.61
    transcutol 158.01
    n-heptanol 28.0
    ethylbenzene 49.0
    MIBK 92.06
    2-propoxyethanol 138.72
    tert-butanol 67.39
    MTBE 76.82
    2-butoxyethanol 72.76
    propionic acid 56.79
    o-xylene 67.03
    formic acid 27.76
    diethyl ether 100.56
    m-xylene 90.15
    p-xylene 65.69
    chlorobenzene 142.31
    dimethyl carbonate 99.59
    n-octane 2.56
    formamide 62.52
    cyclopentanone 296.21
    2-pentanone 132.34
    anisole 119.73
    cyclopentyl methyl ether 138.08
    gamma-butyrolactone 265.56
    1-methoxy-2-propanol 116.57
    pyridine 234.47
    3-pentanone 113.13
    furfural 205.64
    n-dodecane 2.28
    diethylene glycol 108.8
    diisopropyl ether 36.23
    tert-amyl alcohol 40.07
    acetylacetone 180.63
    n-hexadecane 2.76
    acetophenone 94.59
    methyl propionate 134.85
    isopentyl acetate 77.58
    trichloroethylene 345.49
    n-nonanol 20.77
    cyclohexanol 49.22
    benzyl alcohol 64.77
    2-ethylhexanol 31.19
    isooctanol 24.65
    dipropyl ether 44.99
    1,2-dichlorobenzene 121.43
    ethyl lactate 36.57
    propylene carbonate 119.84
    n-methylformamide 119.97
    2-pentanol 37.93
    n-pentane 5.93
    1-propoxy-2-propanol 79.35
    1-methoxy-2-propyl acetate 126.15
    2-(2-methoxypropoxy) propanol 64.84
    mesitylene 52.41
    ε-caprolactone 134.8
    p-cymene 29.73
    epichlorohydrin 341.22
    1,1,1-trichloroethane 166.29
    2-aminoethanol 44.16
    morpholine-4-carbaldehyde 208.63
    sulfolane 201.38
    2,2,4-trimethylpentane 3.98
    2-methyltetrahydrofuran 183.92
    n-hexyl acetate 59.51
    isooctane 4.74
    2-(2-butoxyethoxy)ethanol 76.55
    sec-butyl acetate 53.91
    tert-butyl acetate 111.75
    decalin 8.38
    glycerin 43.51
    diglyme 159.95
    acrylic acid 53.5
    isopropyl myristate 30.89
    n-butyric acid 72.42
    acetyl acetate 105.44
    di(2-ethylhexyl) phthalate 33.9
    ethyl propionate 74.49
    nitromethane 157.75
    1,2-diethoxyethane 72.84
    benzonitrile 101.64
    trioctyl phosphate 23.19
    1-bromopropane 87.03
    gamma-valerolactone 295.38
    n-decanol 16.36
    triethyl phosphate 36.99
    4-methyl-2-pentanol 30.76
    propionitrile 111.72
    vinylene carbonate 129.6
    1,1,2-trichlorotrifluoroethane 132.63
    DMS 103.09
    cumene 32.13
    2-octanol 16.72
    2-hexanone 63.97
    octyl acetate 35.13
    limonene 33.68
    1,2-dimethoxyethane 143.96
    ethyl orthosilicate 36.12
    tributyl phosphate 25.54
    diacetone alcohol 96.79
    N,N-dimethylaniline 67.26
    acrylonitrile 141.06
    aniline 108.32
    1,3-propanediol 68.42
    bromobenzene 160.56
    dibromomethane 160.68
    1,1,2,2-tetrachloroethane 209.85
    2-methyl-cyclohexyl acetate 57.65
    tetrabutyl urea 35.35
    diisobutyl methanol 24.84
    2-phenylethanol 88.92
    styrene 61.2
    dioctyl adipate 39.16
    dimethyl sulfate 127.57
    ethyl butyrate 57.82
    methyl lactate 63.56
    butyl lactate 39.0
    diethyl carbonate 46.27
    propanediol butyl ether 42.27
    triethyl orthoformate 45.76
    p-tert-butyltoluene 31.23
    methyl 4-tert-butylbenzoate 78.92
    morpholine 242.74
    tert-butylamine 41.14
    n-dodecanol 12.86
    dimethoxymethane 221.84
    ethylene carbonate 105.22
    cyrene 71.67
    2-ethoxyethyl acetate 95.28
    2-ethylhexyl acetate 60.06
    1,2,4-trichlorobenzene 137.12
    4-methylpyridine 199.42
    dibutyl ether 25.91
    2,6-dimethyl-4-heptanol 24.84
    DEF 105.47
    dimethyl isosorbide 135.46
    tetrachloroethylene 136.6
    eugenol 75.03
    triacetin 72.0
    span 80 46.83
    1,4-butanediol 22.23
    1,1-dichloroethane 170.38
    2-methyl-1-pentanol 27.49
    methyl formate 97.54
    2-methyl-1-butanol 40.01
    n-decane 3.55
    butyronitrile 87.88
    3,7-dimethyl-1-octanol 24.42
    1-chlorooctane 16.55
    1-chlorotetradecane 8.93
    n-nonane 2.93
    undecane 2.76
    tert-butylcyclohexane 7.52
    cyclooctane 5.07
    cyclopentanol 67.71
    tetrahydropyran 180.01
    tert-amyl methyl ether 49.52
    2,5,8-trioxanonane 104.29
    1-hexene 17.57
    2-isopropoxyethanol 50.78
    2,2,2-trifluoroethanol 44.72
    methyl butyrate 77.74

    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

Botanical

Name CAS Botanical Proportion
Neocinnamomum delavayi Neocinnamomum delavayi (L. Lec.) Liou, fam. Lauraceae 0.11%
Dendranthema vestitum flower absolute (China) Dendranthema vestitum (Hemsl.) Ling ex Shih, fam. Asteraceae (Compositae) 0.36%