6-Ethyl-2,10,10-trimethyl-1-oxaspiro[4.5]deca-3,6-diene

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  • Identifiers

    CAS number
    79893-63-3

    Molecular formula
    C14H22O

    SMILES
    CCC1=CCCC(C12C=CC(O2)C)(C)C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fruity 93.05%
    Berry 52.45%
    Black currant 44.41%
    Woody 43.93%
    Tropical 40.11%
    Floral 36.01%
    Raspberry 32.7%
    Spicy 29.28%
    Herbal 27.54%
    Natural 26.52%

     

    Flavor
    Woody 59.97%
    Herbal 52.83%
    Green 51.12%
    Floral 45.88%
    Fruity 45.19%
    Spicy 45.14%
    Earthy 40.32%
    Wood 35.46%
    Spice 33.68%
    Minty 29.32%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.3

    pKa est.
    8.95 (weak base)

    Molecular weight
    206.32 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    235°C

    Flash point

    • 102.22 ˚C est.

  • Synonyms

    • Etaspirene
    • 79893-63-3
    • EINECS 279-344-0
    • 6-ETHYL-2,10,10-TRIMETHYL-1-OXASPIRO[4.5]DECA-3,6-DIENE
    • 6-Ethyl-2,10,10-trimethyl-1-oxaspiro(4.5)deca-3,6-diene
    • 1-Oxaspiro(4.5)deca-3,6-diene, 6-ethyl-2,10,10-trimethyl-
    • 1-Oxaspiro[4.5]deca-3,6-diene, 6-ethyl-2,10,10-trimethyl-
    • SCHEMBL140438
    • DTXSID5052545
    • CHEBI:179833
    • NHJSLVJXXDHDRV-UHFFFAOYSA-N
    • 10-ethyl-2,6,6-trimethyl-1-oxaspiro[4.5]deca-3,9-diene
    • NS00021360
    • 1-Oxaspiro[4,5]deca-3,6-diene,6-ethyl-2,10,10-trimethyl-
    • 279-344-0

  • Applications

    6-Ethyl-2,10,10-trimethyl-1-oxaspiro[4.5]deca-3,6-diene (CAS 79893-63-3) is regarded as a fragrance ingredient and may function as an odorant or a fragrance fixative in perfumery, cosmetics, and personal-care products; it is also evaluated as an intermediate in organic synthesis to access other specialty fragrance chemicals. In the polymers/plastics sector, it may be explored as a building block for specialty materials or as a reactive component in niche polymer systems. In household and cleaning product formulations, it can appear as an additive contributing to aroma or sensorial profile under formulation constraints.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 210.14
    methanol 167.3
    isopropanol 233.82
    water 0.96
    ethyl acetate 577.23
    n-propanol 290.31
    acetone 555.33
    n-butanol 313.42
    acetonitrile 375.49
    DMF 714.65
    toluene 984.55
    isobutanol 286.35
    1,4-dioxane 868.39
    methyl acetate 525.0
    THF 1332.08
    2-butanone 633.96
    n-pentanol 252.94
    sec-butanol 308.42
    n-hexane 202.83
    ethylene glycol 57.82
    NMP 975.39
    cyclohexane 354.44
    DMSO 414.94
    n-butyl acetate 642.46
    n-octanol 384.06
    chloroform 2216.47
    n-propyl acetate 466.82
    acetic acid 196.14
    dichloromethane 1880.63
    cyclohexanone 1172.8
    propylene glycol 86.59
    isopropyl acetate 465.89
    DMAc 728.78
    2-ethoxyethanol 289.0
    isopentanol 309.48
    n-heptane 219.56
    ethyl formate 350.06
    1,2-dichloroethane 1024.19
    n-hexanol 447.85
    2-methoxyethanol 366.25
    isobutyl acetate 400.0
    tetrachloromethane 615.2
    n-pentyl acetate 552.87
    transcutol 601.24
    n-heptanol 323.2
    ethylbenzene 616.43
    MIBK 480.83
    2-propoxyethanol 508.74
    tert-butanol 301.47
    MTBE 471.36
    2-butoxyethanol 369.83
    propionic acid 269.58
    o-xylene 675.94
    formic acid 47.02
    diethyl ether 564.0
    m-xylene 793.33
    p-xylene 717.6
    chlorobenzene 1019.12
    dimethyl carbonate 318.79
    n-octane 120.11
    formamide 83.74
    cyclopentanone 1264.19
    2-pentanone 617.96
    anisole 733.66
    cyclopentyl methyl ether 890.28
    gamma-butyrolactone 1192.7
    1-methoxy-2-propanol 343.68
    pyridine 1002.06
    3-pentanone 590.08
    furfural 934.85
    n-dodecane 110.25
    diethylene glycol 266.38
    diisopropyl ether 309.31
    tert-amyl alcohol 327.97
    acetylacetone 677.56
    n-hexadecane 128.41
    acetophenone 696.2
    methyl propionate 528.99
    isopentyl acetate 610.51
    trichloroethylene 2015.27
    n-nonanol 326.37
    cyclohexanol 495.96
    benzyl alcohol 441.0
    2-ethylhexanol 396.73
    isooctanol 288.71
    dipropyl ether 509.97
    1,2-dichlorobenzene 1027.25
    ethyl lactate 250.21
    propylene carbonate 755.33
    n-methylformamide 268.78
    2-pentanol 284.16
    n-pentane 201.46
    1-propoxy-2-propanol 422.45
    1-methoxy-2-propyl acetate 565.26
    2-(2-methoxypropoxy) propanol 386.94
    mesitylene 582.06
    ε-caprolactone 963.88
    p-cymene 464.95
    epichlorohydrin 1162.21
    1,1,1-trichloroethane 1323.26
    2-aminoethanol 104.32
    morpholine-4-carbaldehyde 892.46
    sulfolane 1159.42
    2,2,4-trimethylpentane 130.17
    2-methyltetrahydrofuran 984.03
    n-hexyl acetate 797.96
    isooctane 116.01
    2-(2-butoxyethoxy)ethanol 409.54
    sec-butyl acetate 397.01
    tert-butyl acetate 503.69
    decalin 234.95
    glycerin 115.15
    diglyme 750.95
    acrylic acid 236.7
    isopropyl myristate 391.74
    n-butyric acid 389.26
    acetyl acetate 436.57
    di(2-ethylhexyl) phthalate 320.33
    ethyl propionate 486.14
    nitromethane 420.13
    1,2-diethoxyethane 464.78
    benzonitrile 771.71
    trioctyl phosphate 261.87
    1-bromopropane 794.26
    gamma-valerolactone 1209.55
    n-decanol 253.16
    triethyl phosphate 308.6
    4-methyl-2-pentanol 219.13
    propionitrile 455.34
    vinylene carbonate 743.56
    1,1,2-trichlorotrifluoroethane 608.11
    DMS 590.34
    cumene 459.33
    2-octanol 303.27
    2-hexanone 482.84
    octyl acetate 470.56
    limonene 563.3
    1,2-dimethoxyethane 597.67
    ethyl orthosilicate 278.48
    tributyl phosphate 283.39
    diacetone alcohol 401.12
    N,N-dimethylaniline 563.8
    acrylonitrile 493.29
    aniline 550.63
    1,3-propanediol 170.67
    bromobenzene 1374.81
    dibromomethane 1425.96
    1,1,2,2-tetrachloroethane 1554.43
    2-methyl-cyclohexyl acetate 530.26
    tetrabutyl urea 371.61
    diisobutyl methanol 248.22
    2-phenylethanol 558.19
    styrene 681.65
    dioctyl adipate 464.0
    dimethyl sulfate 444.86
    ethyl butyrate 559.25
    methyl lactate 233.67
    butyl lactate 329.45
    diethyl carbonate 390.06
    propanediol butyl ether 298.51
    triethyl orthoformate 382.92
    p-tert-butyltoluene 436.43
    methyl 4-tert-butylbenzoate 624.64
    morpholine 774.83
    tert-butylamine 274.75
    n-dodecanol 208.02
    dimethoxymethane 611.01
    ethylene carbonate 608.68
    cyrene 411.47
    2-ethoxyethyl acetate 552.45
    2-ethylhexyl acetate 576.74
    1,2,4-trichlorobenzene 1086.41
    4-methylpyridine 1115.04
    dibutyl ether 469.91
    2,6-dimethyl-4-heptanol 248.22
    DEF 667.68
    dimethyl isosorbide 740.48
    tetrachloroethylene 1080.33
    eugenol 479.48
    triacetin 608.09
    span 80 382.08
    1,4-butanediol 109.63
    1,1-dichloroethane 1098.86
    2-methyl-1-pentanol 283.59
    methyl formate 278.13
    2-methyl-1-butanol 338.32
    n-decane 167.05
    butyronitrile 501.58
    3,7-dimethyl-1-octanol 348.01
    1-chlorooctane 463.89
    1-chlorotetradecane 213.52
    n-nonane 173.33
    undecane 132.17
    tert-butylcyclohexane 205.16
    cyclooctane 208.35
    cyclopentanol 479.53
    tetrahydropyran 931.55
    tert-amyl methyl ether 443.79
    2,5,8-trioxanonane 537.56
    1-hexene 388.91
    2-isopropoxyethanol 270.89
    2,2,2-trifluoroethanol 111.39
    methyl butyrate 569.27

    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