3,3-Dimethyl-1-indanone

Overview IFRA Request a quote

  • Identifiers

    CAS number
    26465-81-6

    Molecular formula
    C11H12O

    SMILES
    CC1(CC(=O)C2=CC=CC=C21)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Sweet 57.11%
    Woody 52.76%
    Tobacco 47.07%
    Musk 46.34%
    Powdery 41.01%
    Phenolic 39.54%
    Herbal 38.13%
    Dry 37.13%
    Floral 36.64%
    Hay 34.82%

     

    Flavor
    Herbal 45.07%
    Woody 42.13%
    Bitter 41.24%
    Tobacco 37.47%
    Phenolic 36.46%
    Camphor 34.63%
    Minty 34.22%
    Medicinal 27.74%
    Sweet 27.36%
    Coumarin 23.29%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.5

    pKa est.
    7.11 (neutral)

    Molecular weight
    160.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    259°C

    Flash point

    • 109.52 ˚C est.

  • Synonyms

    • 26465-81-6
    • 3,3-Dimethyl-1-indanone
    • 3,3-dimethyl-2,3-dihydro-1H-inden-1-one
    • DTXSID70307972
    • RefChem:485456
    • DTXCID80259099
    • 866-519-7
    • 3,3-dimethyl-2H-inden-1-one
    • 1H-Inden-1-one, 2,3-dihydro-3,3-dimethyl-
    • 3,3-dimethylindan-1-one
    • MFCD01846169
    • 3,3-dimethyl indan-1-one
    • 3,3-Dimethyl-indan-1-one
    • 1-Indanone, 3,3-dimethyl-
    • NSC-200698
    • NSC200698
    • 3,3-dimethylindanone
    • 1-Indanone,3-dimethyl-
    • AMY99K3WHC
    • 3,3-Dimethyl 1-Indanone
    • 3,3-dimethyl-1 -indanone
    • SCHEMBL182096
    • SCHEMBL29581434
    • 3,3-dimethyl-1-indanone, AldrichCPR
    • AKOS004123150
    • CS-W013271
    • AS-19973
    • SY053429
    • 1H-Inden-1-one,3-dihydro-3,3-dimethyl-
    • 2,3-Dihydro-3,3-dimethyl-1H-inden-1-one
    • D3160
    • EN300-54357
    • H10861
    • 465D816
    • F234347
    • F8880-3126
    • Z336080134
    • 1H-?Inden-?1-?one, 2,?3-?dihydro-?3,?3-?dimethyl-
    • InChI=1/C11H12O/c1-11(2)7-10(12)8-5-3-4-6-9(8)11/h3-6H,7H2,1-2H
    • 26465-81-6

  • Applications

    3,3-Dimethyl-1-indanone (CAS 26465-81-6) is primarily used as an organic synthesis intermediate. In practice, it serves as a building block for fragrance ingredients and pharmaceutical intermediates. It may also function as a precursor in polymer chemistry for specialty aromatic compounds and can be employed as an aromatic ketone additive in coatings and inks. Its use is subject to local regulations and formulation limits, and it may be considered for cosmetic or fragrance applications where permitted.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 599.58
    methanol 751.63
    isopropanol 469.41
    water 10.57
    ethyl acetate 850.06
    n-propanol 539.47
    acetone 1078.14
    n-butanol 464.49
    acetonitrile 1203.06
    DMF 1044.07
    toluene 560.87
    isobutanol 386.21
    1,4-dioxane 2053.0
    methyl acetate 916.17
    THF 2185.17
    2-butanone 769.24
    n-pentanol 303.66
    sec-butanol 372.44
    n-hexane 141.7
    ethylene glycol 196.65
    NMP 922.85
    cyclohexane 183.98
    DMSO 689.18
    n-butyl acetate 434.11
    n-octanol 297.79
    chloroform 1905.09
    n-propyl acetate 401.67
    acetic acid 508.27
    dichloromethane 1650.45
    cyclohexanone 1105.86
    propylene glycol 186.59
    isopropyl acetate 469.78
    DMAc 530.98
    2-ethoxyethanol 457.85
    isopentanol 357.91
    n-heptane 87.61
    ethyl formate 533.79
    1,2-dichloroethane 1103.59
    n-hexanol 497.73
    2-methoxyethanol 794.66
    isobutyl acetate 276.49
    tetrachloromethane 332.71
    n-pentyl acetate 314.96
    transcutol 1042.73
    n-heptanol 244.81
    ethylbenzene 294.1
    MIBK 426.47
    2-propoxyethanol 769.79
    tert-butanol 449.46
    MTBE 523.39
    2-butoxyethanol 392.81
    propionic acid 492.33
    o-xylene 279.62
    formic acid 222.51
    diethyl ether 871.02
    m-xylene 380.39
    p-xylene 329.33
    chlorobenzene 632.32
    dimethyl carbonate 384.36
    n-octane 51.52
    formamide 339.17
    cyclopentanone 1346.06
    2-pentanone 698.91
    anisole 531.74
    cyclopentyl methyl ether 1006.41
    gamma-butyrolactone 1466.24
    1-methoxy-2-propanol 626.83
    pyridine 969.68
    3-pentanone 536.6
    furfural 882.31
    n-dodecane 43.96
    diethylene glycol 546.28
    diisopropyl ether 278.3
    tert-amyl alcohol 333.56
    acetylacetone 677.1
    n-hexadecane 50.72
    acetophenone 368.3
    methyl propionate 670.86
    isopentyl acetate 356.93
    trichloroethylene 1627.02
    n-nonanol 237.26
    cyclohexanol 528.82
    benzyl alcohol 328.06
    2-ethylhexanol 249.98
    isooctanol 196.6
    dipropyl ether 355.92
    1,2-dichlorobenzene 480.55
    ethyl lactate 193.02
    propylene carbonate 675.79
    n-methylformamide 692.41
    2-pentanol 340.53
    n-pentane 123.13
    1-propoxy-2-propanol 423.35
    1-methoxy-2-propyl acetate 441.52
    2-(2-methoxypropoxy) propanol 300.3
    mesitylene 241.53
    ε-caprolactone 849.91
    p-cymene 139.55
    epichlorohydrin 1560.42
    1,1,1-trichloroethane 961.48
    2-aminoethanol 292.1
    morpholine-4-carbaldehyde 1016.6
    sulfolane 1069.91
    2,2,4-trimethylpentane 50.75
    2-methyltetrahydrofuran 1292.09
    n-hexyl acetate 531.19
    isooctane 53.87
    2-(2-butoxyethoxy)ethanol 449.74
    sec-butyl acetate 288.8
    tert-butyl acetate 436.3
    decalin 95.38
    glycerin 277.72
    diglyme 811.06
    acrylic acid 431.42
    isopropyl myristate 187.06
    n-butyric acid 560.51
    acetyl acetate 444.27
    di(2-ethylhexyl) phthalate 152.81
    ethyl propionate 399.99
    nitromethane 1058.89
    1,2-diethoxyethane 472.1
    benzonitrile 510.04
    trioctyl phosphate 127.32
    1-bromopropane 693.36
    gamma-valerolactone 1358.33
    n-decanol 180.0
    triethyl phosphate 145.96
    4-methyl-2-pentanol 211.04
    propionitrile 805.68
    vinylene carbonate 653.03
    1,1,2-trichlorotrifluoroethane 555.66
    DMS 436.68
    cumene 189.19
    2-octanol 201.24
    2-hexanone 410.41
    octyl acetate 234.91
    limonene 192.95
    1,2-dimethoxyethane 820.25
    ethyl orthosilicate 141.97
    tributyl phosphate 146.36
    diacetone alcohol 413.75
    N,N-dimethylaniline 304.1
    acrylonitrile 886.5
    aniline 472.96
    1,3-propanediol 401.32
    bromobenzene 657.54
    dibromomethane 1115.88
    1,1,2,2-tetrachloroethane 1081.2
    2-methyl-cyclohexyl acetate 237.31
    tetrabutyl urea 182.23
    diisobutyl methanol 143.37
    2-phenylethanol 386.4
    styrene 341.12
    dioctyl adipate 214.15
    dimethyl sulfate 459.23
    ethyl butyrate 296.25
    methyl lactate 281.32
    butyl lactate 207.79
    diethyl carbonate 200.05
    propanediol butyl ether 312.18
    triethyl orthoformate 198.49
    p-tert-butyltoluene 145.37
    methyl 4-tert-butylbenzoate 332.91
    morpholine 1693.08
    tert-butylamine 320.01
    n-dodecanol 142.5
    dimethoxymethane 910.75
    ethylene carbonate 590.04
    cyrene 281.01
    2-ethoxyethyl acetate 399.41
    2-ethylhexyl acetate 282.68
    1,2,4-trichlorobenzene 522.58
    4-methylpyridine 920.61
    dibutyl ether 320.22
    2,6-dimethyl-4-heptanol 143.37
    DEF 620.05
    dimethyl isosorbide 472.18
    tetrachloroethylene 737.44
    eugenol 316.1
    triacetin 322.37
    span 80 270.81
    1,4-butanediol 186.05
    1,1-dichloroethane 1119.5
    2-methyl-1-pentanol 247.84
    methyl formate 655.83
    2-methyl-1-butanol 338.21
    n-decane 70.99
    butyronitrile 724.44
    3,7-dimethyl-1-octanol 225.44
    1-chlorooctane 246.54
    1-chlorotetradecane 99.14
    n-nonane 74.7
    undecane 55.0
    tert-butylcyclohexane 86.76
    cyclooctane 83.54
    cyclopentanol 557.22
    tetrahydropyran 1514.68
    tert-amyl methyl ether 358.32
    2,5,8-trioxanonane 471.22
    1-hexene 354.24
    2-isopropoxyethanol 336.38
    2,2,2-trifluoroethanol 265.07
    methyl butyrate 458.18

    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