2,6,6,7,8,8-Hexamethyldecahydro-2H-indeno[4,5-b]furan

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  • Identifiers

    CAS number
    338735-71-0

    Molecular formula
    C17H30O

    SMILES
    CC1CC2CCC3C(C2O1)C(C(C3(C)C)C)(C)C

    Safety labels

    Corrosive
    Corrosive

  • Odor profile

    Fragrance
    Woody 82.09%
    Herbal 59.2%
    Spicy 53.51%
    Camphoreous 48.87%
    Pine 47.25%
    Green 45.81%
    Earthy 45.3%
    Fresh 44.94%
    Sweet 44.63%
    Amber 42.58%

     

    Flavor
    Woody 60.38%
    Herbal 57.38%
    Green 56.37%
    Camphor 48.31%
    Sweet 47.12%
    Pine 45.86%
    Earthy 45.76%
    Minty 38.06%
    Balsam 35.0%
    Earth 34.44%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    5.1

    pKa est.
    6.47 (neutral)

    Molecular weight
    250.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    311°C

    Flash point

    • 156.47 ˚C est.

  • Synonyms

    • 2,6,6,7,8,8-Hexamethyldecahydro-2H-indeno[4,5-b]furan
    • Decahydro-2,6,6,7,8,8-hexamethyl-2H-indeno[4,5-b]furan
    • 2,6,6,7,8,8-hexamethyl-3,3a,4,5,5a,7,8a,8b-octahydro-2H-cyclopenta[g][1]benzofuran
    • DTXSID9051373
    • 2H-Indeno[4,5-b]furan, decahydro-2,6,6,7,8,8-hexamethyl-
    • 2H-Indeno(4,5-b)furan, decahydro-2,6,6,7,8,8-hexamethyl-
    • Decahydro-2,6,6,7,8,8-hexamethyl-2H-indeno(4,5-b)furan
    • 2,6,6,7,8,8-hexamethyldecahydro-2H-indeno(4,5-b)furan
    • 2,6,6,7,8,8-hexamethyl-3,3a,4,5,5a,7,8a,8b-octahydro-2H-cyclopenta(g)(1)benzofuran
    • RefChem:445138
    • DTXCID0029975
    • 440-030-5
    • 338735-71-0
    • TRISAMBER
    • TZ57DU22YD
    • SCHEMBL236815
    • YFHKETGXYQOMGB-UHFFFAOYSA-N
    • NS00020797
    • 338735-71-0

  • Applications

    2,6,6,7,8,8-Hexamethyldecahydro-2H-indeno[4,5-b]furan (CAS 338735-71-0) is encountered in real-world formulations primarily as a fragrance ingredient and odorant for perfumery, cosmetics/personal care, and household products, contributing a typically aliphatic, lightly woody note. It may be used as an intermediate or building block in industrial chemical synthesis. In the polymers/plastics sector, it can function as a fragrance modifier or odorant additive; in coatings and inks, it may serve similarly to improve scent profiles or mask odors. Its use is typically subject to formulation limits and regulatory requirements for aroma ingredients.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 316.59
    methanol 251.92
    isopropanol 329.39
    water 8.89
    ethyl acetate 607.11
    n-propanol 384.97
    acetone 559.35
    n-butanol 381.38
    acetonitrile 481.05
    DMF 565.79
    toluene 1002.85
    isobutanol 344.48
    1,4-dioxane 1352.27
    methyl acetate 552.49
    THF 1886.4
    2-butanone 561.22
    n-pentanol 230.27
    sec-butanol 276.77
    n-hexane 161.58
    ethylene glycol 76.71
    NMP 674.33
    cyclohexane 485.38
    DMSO 336.19
    n-butyl acetate 691.85
    n-octanol 285.18
    chloroform 2060.31
    n-propyl acetate 442.12
    acetic acid 341.78
    dichloromethane 1371.4
    cyclohexanone 1207.38
    propylene glycol 99.06
    isopropyl acetate 579.08
    DMAc 514.7
    2-ethoxyethanol 312.14
    isopentanol 362.19
    n-heptane 195.59
    ethyl formate 387.6
    1,2-dichloroethane 805.24
    n-hexanol 457.25
    2-methoxyethanol 464.9
    isobutyl acetate 448.06
    tetrachloromethane 562.5
    n-pentyl acetate 531.56
    transcutol 766.92
    n-heptanol 333.11
    ethylbenzene 466.02
    MIBK 451.18
    2-propoxyethanol 624.73
    tert-butanol 317.76
    MTBE 477.61
    2-butoxyethanol 469.69
    propionic acid 324.76
    o-xylene 567.57
    formic acid 112.43
    diethyl ether 554.34
    m-xylene 724.85
    p-xylene 637.28
    chlorobenzene 918.35
    dimethyl carbonate 311.68
    n-octane 82.53
    formamide 160.25
    cyclopentanone 1174.1
    2-pentanone 515.31
    anisole 548.22
    cyclopentyl methyl ether 950.69
    gamma-butyrolactone 1189.56
    1-methoxy-2-propanol 398.55
    pyridine 1107.12
    3-pentanone 487.47
    furfural 904.24
    n-dodecane 61.33
    diethylene glycol 353.36
    diisopropyl ether 334.89
    tert-amyl alcohol 246.4
    acetylacetone 665.31
    n-hexadecane 72.61
    acetophenone 495.47
    methyl propionate 481.53
    isopentyl acetate 737.32
    trichloroethylene 1423.12
    n-nonanol 268.13
    cyclohexanol 591.89
    benzyl alcohol 384.11
    2-ethylhexanol 369.55
    isooctanol 294.99
    dipropyl ether 481.53
    1,2-dichlorobenzene 814.89
    ethyl lactate 231.2
    propylene carbonate 771.93
    n-methylformamide 303.4
    2-pentanol 289.28
    n-pentane 177.64
    1-propoxy-2-propanol 493.21
    1-methoxy-2-propyl acetate 681.95
    2-(2-methoxypropoxy) propanol 336.44
    mesitylene 512.84
    ε-caprolactone 992.36
    p-cymene 378.18
    epichlorohydrin 1063.88
    1,1,1-trichloroethane 1029.85
    2-aminoethanol 162.57
    morpholine-4-carbaldehyde 834.9
    sulfolane 854.23
    2,2,4-trimethylpentane 99.03
    2-methyltetrahydrofuran 1158.68
    n-hexyl acetate 635.51
    isooctane 98.2
    2-(2-butoxyethoxy)ethanol 411.09
    sec-butyl acetate 399.39
    tert-butyl acetate 587.75
    decalin 194.39
    glycerin 151.96
    diglyme 854.5
    acrylic acid 282.19
    isopropyl myristate 289.25
    n-butyric acid 502.99
    acetyl acetate 536.01
    di(2-ethylhexyl) phthalate 242.24
    ethyl propionate 423.41
    nitromethane 550.9
    1,2-diethoxyethane 491.61
    benzonitrile 672.33
    trioctyl phosphate 211.42
    1-bromopropane 630.36
    gamma-valerolactone 1321.19
    n-decanol 194.71
    triethyl phosphate 278.56
    4-methyl-2-pentanol 239.33
    propionitrile 511.02
    vinylene carbonate 817.29
    1,1,2-trichlorotrifluoroethane 580.69
    DMS 531.51
    cumene 347.6
    2-octanol 234.47
    2-hexanone 395.02
    octyl acetate 327.75
    limonene 421.28
    1,2-dimethoxyethane 684.55
    ethyl orthosilicate 291.2
    tributyl phosphate 228.66
    diacetone alcohol 376.02
    N,N-dimethylaniline 377.32
    acrylonitrile 514.64
    aniline 612.14
    1,3-propanediol 275.47
    bromobenzene 1110.61
    dibromomethane 1029.83
    1,1,2,2-tetrachloroethane 1178.66
    2-methyl-cyclohexyl acetate 480.01
    tetrabutyl urea 254.2
    diisobutyl methanol 257.03
    2-phenylethanol 516.37
    styrene 499.04
    dioctyl adipate 337.09
    dimethyl sulfate 368.08
    ethyl butyrate 495.25
    methyl lactate 245.25
    butyl lactate 358.03
    diethyl carbonate 363.54
    propanediol butyl ether 305.84
    triethyl orthoformate 437.45
    p-tert-butyltoluene 377.56
    methyl 4-tert-butylbenzoate 488.45
    morpholine 1131.28
    tert-butylamine 271.94
    n-dodecanol 152.97
    dimethoxymethane 617.43
    ethylene carbonate 758.79
    cyrene 342.03
    2-ethoxyethyl acetate 592.53
    2-ethylhexyl acetate 675.62
    1,2,4-trichlorobenzene 850.68
    4-methylpyridine 1053.29
    dibutyl ether 367.96
    2,6-dimethyl-4-heptanol 257.03
    DEF 495.29
    dimethyl isosorbide 668.83
    tetrachloroethylene 874.81
    eugenol 413.05
    triacetin 519.51
    span 80 345.67
    1,4-butanediol 117.52
    1,1-dichloroethane 855.62
    2-methyl-1-pentanol 242.61
    methyl formate 309.55
    2-methyl-1-butanol 321.87
    n-decane 107.24
    butyronitrile 535.75
    3,7-dimethyl-1-octanol 286.05
    1-chlorooctane 290.85
    1-chlorotetradecane 126.27
    n-nonane 104.11
    undecane 77.77
    tert-butylcyclohexane 159.61
    cyclooctane 221.35
    cyclopentanol 554.93
    tetrahydropyran 1357.83
    tert-amyl methyl ether 356.06
    2,5,8-trioxanonane 486.46
    1-hexene 293.97
    2-isopropoxyethanol 273.38
    2,2,2-trifluoroethanol 221.63
    methyl butyrate 474.64

    Scent© AI

1 4

IFRA standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.17 % Category 7A
Rinse-off products applied to the hair with some hand contact
 1.9 %
Category 2
Products applied to the axillae
 0.05 % Category 7B
Leave-on products applied to the hair with some hand contact
 1.9 %
Category 3
Products applied to the face/body using fingertips
 1 % Category 8
Products with significant anogenital exposure
 0.08 %
Category 4
Products related to fine fragrance
 0.94 % Category 9
Products with body and hand exposure, primarily rinse off
 1.8 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.24 % Category 10A
Household care products with mostly hand contact
 4.1 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.24 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 6.6 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.24 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.08 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.08 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.08 %
Category 6
Products with oral and lip exposure
 0.56 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction