Ethanone, 1-[2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl]-

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  • Identifiers

    CAS number
    68140-48-7

    Molecular formula
    C18H26O

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

  • Odor profile

    Fragrance
    Musk 63.45%
    Sweet 61.93%
    Woody 58.58%
    Dry 48.89%
    Amber 47.48%
    Powdery 44.11%
    Herbal 40.01%
    Spicy 34.97%
    Balsamic 33.25%
    Animal 31.83%

     

    Flavor
    Woody 64.51%
    Camphor 39.52%
    Herbal 35.17%
    Wood 27.82%
    Phenolic 23.92%
    Bitter 23.42%
    Spice 22.31%
    Pine 21.93%
    Thymol 20.9%
    Musty 20.8%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    5.1

    pKa est.
    7.93 (neutral)

    Molecular weight
    258.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    338°C

    Flash point

    • 141.29 ˚C est.

  • Synonyms

    • Traseolide
    • 68140-48-7
    • Traesolide
    • EINECS 268-799-0
    • Ethanone,1-[2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl]-
    • CCRIS 8407
    • 1-(1,1,2,6-tetramethyl-3-propan-2-yl-2,3-dihydroinden-5-yl)ethanone
    • HSDB 8418
    • Ethanone, 1-(2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl)-
    • Ethanone, 1-[2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl]-
    • 1-(3-Isopropyl-1,1,2,6-tetramethyl-2,3-dihydro-1H-inden-5-yl)ethanone
    • ATII
    • CHEBI:63781
    • 1-[2,3-Dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl]ethanone
    • Ketone, 3-isopropyl-1,1,2,6-tetramethyl-5-indanyl methyl
    • 5-Acetyl-1,1,2,6-tetramethyl-3-isopropylindan
    • SCHEMBL154966
    • CHEMBL4547572
    • DTXSID9052393
    • 1-[1,1,2,6-tetramethyl-3-(propan-2-yl)-2,3-dihydro-1H-inden-5-yl]ethanone
    • ATII 10 microg/mL in Cyclohexane
    • AKOS030254669
    • NS00007224
    • 5-acetyl-1,1,2,6-tetramethyl-3-i-propylindane
    • 6-acetyl-1-isopropyl-2,3,3,5-tetramethyl indan
    • Q27132803
    • Ethanone, 1-2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl-

  • Applications

    Ethanone, 1-[2,3-dihydro-1,1,2,6-tetramethyl-3-(1-methylethyl)-1H-inden-5-yl]- (CAS 68140-48-7) is a hydrophobic ketone with an indene framework. In practice, it is commonly evaluated as a fragrance odorant or fragrance intermediate in perfumery and cosmetics, contributing characteristic notes. It may be used as an aroma-active ingredient in some household products such as air fresheners. As a chemical building block, it can serve as an intermediate in organic synthesis for specialty chemicals used in coatings, inks, and polymer formulations. In industrial manufacturing, it can be explored as a synthetic building block or additive where odor contribution is desired. Subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 904.11
    methanol 795.64
    isopropanol 911.24
    water 2.84
    ethyl acetate 2603.76
    n-propanol 1239.63
    acetone 2909.06
    n-butanol 1115.69
    acetonitrile 1964.12
    DMF 4015.96
    toluene 3076.54
    isobutanol 1117.11
    1,4-dioxane 4329.16
    methyl acetate 2310.0
    THF 5397.12
    2-butanone 3007.75
    n-pentanol 576.82
    sec-butanol 985.88
    n-hexane 470.85
    ethylene glycol 183.7
    NMP 2959.64
    cyclohexane 1011.42
    DMSO 1359.53
    n-butyl acetate 1375.78
    n-octanol 364.44
    chloroform 5620.35
    n-propyl acetate 1119.95
    acetic acid 779.5
    dichloromethane 4436.67
    cyclohexanone 4288.41
    propylene glycol 255.86
    isopropyl acetate 1768.09
    DMAc 2747.8
    2-ethoxyethanol 856.18
    isopentanol 1076.47
    n-heptane 119.21
    ethyl formate 1094.59
    1,2-dichloroethane 4076.11
    n-hexanol 872.86
    2-methoxyethanol 1663.47
    isobutyl acetate 822.15
    tetrachloromethane 1424.65
    n-pentyl acetate 1103.71
    transcutol 2241.47
    n-heptanol 428.53
    ethylbenzene 1137.33
    MIBK 1409.81
    2-propoxyethanol 1498.18
    tert-butanol 1073.5
    MTBE 2397.59
    2-butoxyethanol 869.42
    propionic acid 955.07
    o-xylene 1444.78
    formic acid 255.4
    diethyl ether 3236.03
    m-xylene 1692.71
    p-xylene 1370.46
    chlorobenzene 2621.98
    dimethyl carbonate 1380.32
    n-octane 58.86
    formamide 605.03
    cyclopentanone 4387.25
    2-pentanone 2532.85
    anisole 1774.48
    cyclopentyl methyl ether 3508.32
    gamma-butyrolactone 3847.88
    1-methoxy-2-propanol 1322.34
    pyridine 3848.43
    3-pentanone 2450.85
    furfural 2496.64
    n-dodecane 27.21
    diethylene glycol 818.13
    diisopropyl ether 1049.64
    tert-amyl alcohol 1034.96
    acetylacetone 2261.38
    n-hexadecane 36.09
    acetophenone 1261.73
    methyl propionate 2293.76
    isopentyl acetate 1393.4
    trichloroethylene 6323.89
    n-nonanol 323.89
    cyclohexanol 1641.94
    benzyl alcohol 957.22
    2-ethylhexanol 511.64
    isooctanol 383.97
    dipropyl ether 822.48
    1,2-dichlorobenzene 2134.18
    ethyl lactate 414.3
    propylene carbonate 1762.92
    n-methylformamide 1760.41
    2-pentanol 831.53
    n-pentane 380.11
    1-propoxy-2-propanol 919.6
    1-methoxy-2-propyl acetate 1546.02
    2-(2-methoxypropoxy) propanol 578.85
    mesitylene 992.2
    ε-caprolactone 2938.05
    p-cymene 394.03
    epichlorohydrin 4977.22
    1,1,1-trichloroethane 4157.88
    2-aminoethanol 419.52
    morpholine-4-carbaldehyde 3060.87
    sulfolane 3020.18
    2,2,4-trimethylpentane 175.61
    2-methyltetrahydrofuran 4173.53
    n-hexyl acetate 1438.52
    isooctane 138.4
    2-(2-butoxyethoxy)ethanol 829.54
    sec-butyl acetate 959.85
    tert-butyl acetate 1747.75
    decalin 300.43
    glycerin 356.46
    diglyme 2013.46
    acrylic acid 793.84
    isopropyl myristate 367.76
    n-butyric acid 1368.14
    acetyl acetate 1473.16
    di(2-ethylhexyl) phthalate 352.94
    ethyl propionate 1241.39
    nitromethane 2278.54
    1,2-diethoxyethane 1207.12
    benzonitrile 1489.78
    trioctyl phosphate 245.29
    1-bromopropane 2476.39
    gamma-valerolactone 4437.29
    n-decanol 201.36
    triethyl phosphate 418.94
    4-methyl-2-pentanol 533.77
    propionitrile 2006.04
    vinylene carbonate 1728.62
    1,1,2-trichlorotrifluoroethane 2187.92
    DMS 1535.73
    cumene 599.8
    2-octanol 337.1
    2-hexanone 1146.7
    octyl acetate 474.03
    limonene 573.21
    1,2-dimethoxyethane 1972.83
    ethyl orthosilicate 423.65
    tributyl phosphate 311.94
    diacetone alcohol 1170.6
    N,N-dimethylaniline 1020.02
    acrylonitrile 2221.61
    aniline 2082.99
    1,3-propanediol 689.49
    bromobenzene 2945.91
    dibromomethane 3110.31
    1,1,2,2-tetrachloroethane 5020.48
    2-methyl-cyclohexyl acetate 724.55
    tetrabutyl urea 373.54
    diisobutyl methanol 300.7
    2-phenylethanol 1034.15
    styrene 1362.05
    dioctyl adipate 459.46
    dimethyl sulfate 1588.6
    ethyl butyrate 806.7
    methyl lactate 707.81
    butyl lactate 636.12
    diethyl carbonate 573.52
    propanediol butyl ether 581.88
    triethyl orthoformate 628.58
    p-tert-butyltoluene 419.87
    methyl 4-tert-butylbenzoate 862.98
    morpholine 4650.64
    tert-butylamine 851.2
    n-dodecanol 131.94
    dimethoxymethane 2832.83
    ethylene carbonate 1678.88
    cyrene 688.12
    2-ethoxyethyl acetate 1498.05
    2-ethylhexyl acetate 1199.53
    1,2,4-trichlorobenzene 2436.51
    4-methylpyridine 4164.59
    dibutyl ether 629.89
    2,6-dimethyl-4-heptanol 300.7
    DEF 2766.64
    dimethyl isosorbide 1196.9
    tetrachloroethylene 3438.42
    eugenol 773.65
    triacetin 933.86
    span 80 524.55
    1,4-butanediol 240.19
    1,1-dichloroethane 3807.9
    2-methyl-1-pentanol 607.93
    methyl formate 1333.07
    2-methyl-1-butanol 1113.21
    n-decane 64.98
    butyronitrile 1542.82
    3,7-dimethyl-1-octanol 374.31
    1-chlorooctane 401.29
    1-chlorotetradecane 108.21
    n-nonane 67.14
    undecane 39.8
    tert-butylcyclohexane 227.4
    cyclooctane 320.07
    cyclopentanol 1446.6
    tetrahydropyran 5170.71
    tert-amyl methyl ether 1673.31
    2,5,8-trioxanonane 951.97
    1-hexene 1025.85
    2-isopropoxyethanol 648.98
    2,2,2-trifluoroethanol 571.96
    methyl butyrate 1384.02

    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