1-(2,3-Dihydro-1,1,2,3,3-pentamethyl-1H-inden-5-yl)ethan-1-one

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  • Identifiers

    CAS number
    4755-83-3

    Molecular formula
    C16H22O

    SMILES
    CC1C(C2=C(C1(C)C)C=C(C=C2)C(=O)C)(C)C

  • Odor profile

    Musk 75.79%
    Sweet 68.45%
    Powdery 56.85%
    Woody 50.84%
    Floral 50.61%
    Amber 50.08%
    Dry 44.17%
    Fruity 41.19%
    Animal 30.9%
    Orris 30.89%

    Scent© AI

  • Properties

    XLogP3-AA
    4.4

    Molecular weight
    230.34 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    304°C

    Flash point est.
    133.74 ˚C

  • Synonyms

    • 4755-83-3
    • EINECS 225-287-1
    • 1-(2,3-Dihydro-1,1,2,3,3-pentamethyl-1H-inden-5-yl)ethan-1-one
    • SCHEMBL4407340
    • DTXSID90963872
    • 5-acetyl-1,1,2,3,3-pentamethyl indane
    • NS00045077
    • 1,1,2,3,3-pentamethyl-5-indanyl methyl ketone
    • 1-(1,1,2,3,3-pentamethyl-indan-5-yl)-ethanone
    • 1-(1,1,2,3,3-Pentamethyl-2,3-dihydro-1H-inden-5-yl)ethan-1-one

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 368.67
    methanol 380.06
    isopropanol 270.16
    water 3.44
    ethyl acetate 1119.46
    n-propanol 413.58
    acetone 1177.89
    n-butanol 326.37
    acetonitrile 1038.07
    DMF 2436.06
    toluene 1425.63
    isobutanol 306.27
    1,4-dioxane 2288.5
    methyl acetate 1079.28
    THF 2991.71
    2-butanone 1122.37
    n-pentanol 168.02
    sec-butanol 272.88
    n-hexane 90.95
    ethylene glycol 91.5
    NMP 2355.51
    cyclohexane 229.23
    DMSO 691.45
    n-butyl acetate 575.88
    n-octanol 103.06
    chloroform 2954.56
    n-propyl acetate 498.77
    acetic acid 435.42
    dichloromethane 2858.5
    cyclohexanone 1746.12
    propylene glycol 112.88
    isopropyl acetate 688.7
    DMAc 1567.04
    2-ethoxyethanol 342.62
    isopentanol 295.91
    n-heptane 39.31
    ethyl formate 541.27
    1,2-dichloroethane 1884.6
    n-hexanol 281.9
    2-methoxyethanol 674.68
    isobutyl acetate 324.94
    tetrachloromethane 594.96
    n-pentyl acetate 362.16
    transcutol 1228.17
    n-heptanol 126.51
    ethylbenzene 523.51
    MIBK 494.14
    2-propoxyethanol 650.78
    tert-butanol 346.18
    MTBE 649.88
    2-butoxyethanol 321.21
    propionic acid 408.64
    o-xylene 659.49
    formic acid 222.69
    diethyl ether 965.77
    m-xylene 814.56
    p-xylene 666.2
    chlorobenzene 1580.0
    dimethyl carbonate 770.24
    n-octane 12.9
    formamide 602.1
    cyclopentanone 2380.32
    2-pentanone 905.2
    anisole 1129.38
    cyclopentyl methyl ether 1431.23
    gamma-butyrolactone 2484.21
    1-methoxy-2-propanol 522.48
    pyridine 2281.54
    3-pentanone 959.96
    furfural 1897.83
    n-dodecane 7.15
    diethylene glycol 391.61
    diisopropyl ether 299.7
    tert-amyl alcohol 303.22
    acetylacetone 1162.73
    n-hexadecane 9.28
    acetophenone 829.35
    methyl propionate 1121.86
    isopentyl acetate 555.54
    trichloroethylene 3629.51
    n-nonanol 97.77
    cyclohexanol 465.4
    benzyl alcohol 509.66
    2-ethylhexanol 173.79
    isooctanol 109.53
    dipropyl ether 327.14
    1,2-dichlorobenzene 1366.46
    ethyl lactate 211.62
    propylene carbonate 1145.79
    n-methylformamide 1062.73
    2-pentanol 226.66
    n-pentane 86.3
    1-propoxy-2-propanol 372.48
    1-methoxy-2-propyl acetate 813.63
    2-(2-methoxypropoxy) propanol 301.48
    mesitylene 451.44
    ε-caprolactone 1428.14
    p-cymene 204.72
    epichlorohydrin 2834.64
    1,1,1-trichloroethane 1848.98
    2-aminoethanol 205.61
    morpholine-4-carbaldehyde 2172.52
    sulfolane 1910.47
    2,2,4-trimethylpentane 45.01
    2-methyltetrahydrofuran 1970.23
    n-hexyl acetate 459.55
    isooctane 32.94
    2-(2-butoxyethoxy)ethanol 389.73
    sec-butyl acetate 400.21
    tert-butyl acetate 751.95
    decalin 100.84
    glycerin 164.1
    diglyme 997.25
    acrylic acid 431.54
    isopropyl myristate 147.36
    n-butyric acid 541.84
    acetyl acetate 829.13
    di(2-ethylhexyl) phthalate 167.55
    ethyl propionate 575.56
    nitromethane 1519.28
    1,2-diethoxyethane 519.52
    benzonitrile 897.18
    trioctyl phosphate 102.78
    1-bromopropane 900.11
    gamma-valerolactone 2670.59
    n-decanol 62.13
    triethyl phosphate 253.24
    4-methyl-2-pentanol 153.35
    propionitrile 830.95
    vinylene carbonate 1225.99
    1,1,2-trichlorotrifluoroethane 1142.13
    DMS 769.98
    cumene 285.34
    2-octanol 80.19
    2-hexanone 449.92
    octyl acetate 180.54
    limonene 248.23
    1,2-dimethoxyethane 892.92
    ethyl orthosilicate 237.15
    tributyl phosphate 147.31
    diacetone alcohol 518.07
    N,N-dimethylaniline 634.07
    acrylonitrile 1059.5
    aniline 1080.51
    1,3-propanediol 252.07
    bromobenzene 1757.99
    dibromomethane 1609.68
    1,1,2,2-tetrachloroethane 2371.4
    2-methyl-cyclohexyl acetate 397.84
    tetrabutyl urea 178.5
    diisobutyl methanol 113.47
    2-phenylethanol 534.65
    styrene 703.47
    dioctyl adipate 236.65
    dimethyl sulfate 1014.66
    ethyl butyrate 433.26
    methyl lactate 374.5
    butyl lactate 249.6
    diethyl carbonate 347.91
    propanediol butyl ether 222.8
    triethyl orthoformate 330.36
    p-tert-butyltoluene 214.52
    methyl 4-tert-butylbenzoate 463.47
    morpholine 2251.86
    tert-butylamine 264.34
    n-dodecanol 42.66
    dimethoxymethane 1438.43
    ethylene carbonate 972.66
    cyrene 462.15
    2-ethoxyethyl acetate 633.11
    2-ethylhexyl acetate 470.44
    1,2,4-trichlorobenzene 1547.03
    4-methylpyridine 2275.42
    dibutyl ether 180.16
    2,6-dimethyl-4-heptanol 113.47
    DEF 1119.46
    dimethyl isosorbide 836.91
    tetrachloroethylene 1609.07
    eugenol 419.73
    triacetin 461.56
    span 80 254.46
    1,4-butanediol 88.45
    1,1-dichloroethane 1569.79
    2-methyl-1-pentanol 180.1
    methyl formate 857.57
    2-methyl-1-butanol 302.78
    n-decane 16.18
    butyronitrile 607.0
    3,7-dimethyl-1-octanol 112.56
    1-chlorooctane 109.27
    1-chlorotetradecane 33.96
    n-nonane 15.04
    undecane 10.28
    tert-butylcyclohexane 74.94
    cyclooctane 76.98
    cyclopentanol 520.85
    tetrahydropyran 1955.28
    tert-amyl methyl ether 498.35
    2,5,8-trioxanonane 544.6
    1-hexene 255.11
    2-isopropoxyethanol 253.77
    2,2,2-trifluoroethanol 341.85
    methyl butyrate 613.86

    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