Decahydro-2-hydroxy-2,5,5,8a-tetramethylnaphthalene-1-ethanol

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  • Identifiers

    CAS number
    55881-96-4

    Molecular formula
    C16H30O2

    SMILES
    CC1(CCCC2(C1CCC(C2CCO)(C)O)C)C

    Safety labels

  • Odor profile

    Fragrance
    Woody 86.76%
    Amber 60.08%
    Sweet 52.45%
    Balsamic 51.46%
    Dry 50.39%
    Camphoreous 49.3%
    Cedar 48.58%
    Musk 45.1%
    Sandalwood 44.84%
    Earthy 42.98%

     

    Flavor
    Sweet 73.71%
    Woody 62.33%
    Pine 47.46%
    Herbal 44.48%
    Balsam 41.99%
    Camphor 39.42%
    Earthy 36.74%
    Dry 35.37%
    Minty 30.93%
    Fresh 26.77%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    3.7

    pKa est.
    9.03 (weak base)

    Molecular weight
    254.41 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    388°C

    Flash point

    • 163.9 ˚C est.

  • Synonyms

    • Decahydro-2-hydroxy-2,5,5,8a-tetramethylnaphthalene-1-ethanol
    • RefChem:585307
    • 55881-96-4
    • 1-(2-hydroxyethyl)-2,5,5,8a-tetramethyldecahydronaphthalen-2-ol
    • 1-Naphthaleneethanol, decahydro-2-hydroxy-2,5,5,8a-tetramethyl-
    • 1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-3,4,4a,6,7,8-hexahydro-1H-naphthalen-2-ol
    • (1R,2S,4aR,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-3,4,4a,6,7,8-hexahydro-1H-naphthalen-2-ol
    • Decahydro-2-hydroxy-2,5,5,8a-tetramethyl-1-naphthaleneethanol;
    • EINECS 259-880-1
    • Oprea1_233736
    • Oprea1_544300
    • beta-(2-Hydroxy-2,5,5,9-tetramethyldecalyl) ethanol
    • orb1299059
    • SCHEMBL1105231
    • 1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decalin-2-ol
    • SCHEMBL10824148
    • DTXSID50866517
    • HMS1680G02
    • FCA88196
    • HY-N7007
    • 1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
    • MFCD01017470
    • AKOS001589453
    • AKOS016844262
    • EBC-617284
    • CS-0101560
    • NS00012180
    • SR-01000390890
    • SR-01000390890-1
    • decahydro-2-hydroxy-2,5,5,8a-tetramethylnaphthaleneethanol
    • decahydro-2-hydroxy-2,5,5,8a-tetramethyl1-naphthaleneethanol
    • 2-hydroxy-2,5,5,8a-tetramethyl-1-(2-hydroxyethyl)-decahydronaphthalene
    • 55881-96-4

  • Applications

    Known as Decahydro-2-hydroxy-2,5,5,8a-tetramethylnaphthalene-1-ethanol (CAS 55881-96-4), this compound is primarily used in fragrance applications and may serve as an odorant and fixative in perfumery; it can be used as a fragrance ingredient in cosmetics and personal care products; it can be incorporated into household products to impart lasting aroma; it can act as a fragrance additive in coatings and inks; and it may serve as an intermediate in fragrance-chemistry workflows.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 256.53
    methanol 386.45
    isopropanol 192.33
    water 1.37
    ethyl acetate 213.51
    n-propanol 270.68
    acetone 275.55
    n-butanol 189.19
    acetonitrile 225.88
    DMF 414.05
    toluene 193.68
    isobutanol 162.29
    1,4-dioxane 535.07
    methyl acetate 195.62
    THF 1263.82
    2-butanone 219.13
    n-pentanol 83.75
    sec-butanol 109.72
    n-hexane 8.12
    ethylene glycol 46.47
    NMP 320.71
    cyclohexane 27.18
    DMSO 309.44
    n-butyl acetate 186.23
    n-octanol 65.1
    chloroform 378.76
    n-propyl acetate 115.58
    acetic acid 129.27
    dichloromethane 332.14
    cyclohexanone 373.96
    propylene glycol 66.96
    isopropyl acetate 144.53
    DMAc 198.23
    2-ethoxyethanol 128.05
    isopentanol 131.27
    n-heptane 13.09
    ethyl formate 165.74
    1,2-dichloroethane 212.36
    n-hexanol 193.17
    2-methoxyethanol 318.37
    isobutyl acetate 90.58
    tetrachloromethane 80.46
    n-pentyl acetate 112.61
    transcutol 367.07
    n-heptanol 88.95
    ethylbenzene 65.13
    MIBK 132.12
    2-propoxyethanol 317.88
    tert-butanol 187.64
    MTBE 142.86
    2-butoxyethanol 150.81
    propionic acid 139.5
    o-xylene 91.56
    formic acid 71.61
    diethyl ether 192.6
    m-xylene 126.16
    p-xylene 79.04
    chlorobenzene 180.5
    dimethyl carbonate 98.48
    n-octane 4.7
    formamide 105.4
    cyclopentanone 584.29
    2-pentanone 198.99
    anisole 133.72
    cyclopentyl methyl ether 324.02
    gamma-butyrolactone 644.21
    1-methoxy-2-propanol 252.95
    pyridine 344.56
    3-pentanone 134.3
    furfural 395.37
    n-dodecane 2.93
    diethylene glycol 198.8
    diisopropyl ether 51.16
    tert-amyl alcohol 99.93
    acetylacetone 210.7
    n-hexadecane 3.54
    acetophenone 120.08
    methyl propionate 185.72
    isopentyl acetate 159.74
    trichloroethylene 372.5
    n-nonanol 56.21
    cyclohexanol 156.03
    benzyl alcohol 107.19
    2-ethylhexanol 87.49
    isooctanol 67.06
    dipropyl ether 116.57
    1,2-dichlorobenzene 138.66
    ethyl lactate 67.89
    propylene carbonate 266.51
    n-methylformamide 284.59
    2-pentanol 93.33
    n-pentane 11.67
    1-propoxy-2-propanol 217.38
    1-methoxy-2-propyl acetate 204.92
    2-(2-methoxypropoxy) propanol 108.71
    mesitylene 72.39
    ε-caprolactone 294.62
    p-cymene 57.44
    epichlorohydrin 537.65
    1,1,1-trichloroethane 184.82
    2-aminoethanol 121.37
    morpholine-4-carbaldehyde 353.19
    sulfolane 483.92
    2,2,4-trimethylpentane 7.66
    2-methyltetrahydrofuran 471.19
    n-hexyl acetate 137.13
    isooctane 8.04
    2-(2-butoxyethoxy)ethanol 148.11
    sec-butyl acetate 81.16
    tert-butyl acetate 151.49
    decalin 11.21
    glycerin 95.25
    diglyme 299.27
    acrylic acid 112.43
    isopropyl myristate 44.85
    n-butyric acid 193.76
    acetyl acetate 132.95
    di(2-ethylhexyl) phthalate 57.32
    ethyl propionate 105.02
    nitromethane 298.39
    1,2-diethoxyethane 140.2
    benzonitrile 171.38
    trioctyl phosphate 46.08
    1-bromopropane 126.22
    gamma-valerolactone 624.75
    n-decanol 38.67
    triethyl phosphate 60.69
    4-methyl-2-pentanol 63.71
    propionitrile 220.7
    vinylene carbonate 257.15
    1,1,2-trichlorotrifluoroethane 227.67
    DMS 110.23
    cumene 45.67
    2-octanol 50.1
    2-hexanone 104.49
    octyl acetate 60.36
    limonene 72.27
    1,2-dimethoxyethane 264.65
    ethyl orthosilicate 59.42
    tributyl phosphate 49.07
    diacetone alcohol 160.5
    N,N-dimethylaniline 90.04
    acrylonitrile 237.48
    aniline 177.88
    1,3-propanediol 166.26
    bromobenzene 182.64
    dibromomethane 218.24
    1,1,2,2-tetrachloroethane 270.13
    2-methyl-cyclohexyl acetate 107.75
    tetrabutyl urea 62.54
    diisobutyl methanol 56.5
    2-phenylethanol 146.1
    styrene 74.08
    dioctyl adipate 66.54
    dimethyl sulfate 140.76
    ethyl butyrate 115.17
    methyl lactate 101.07
    butyl lactate 99.8
    diethyl carbonate 76.46
    propanediol butyl ether 127.03
    triethyl orthoformate 90.23
    p-tert-butyltoluene 59.7
    methyl 4-tert-butylbenzoate 126.16
    morpholine 554.49
    tert-butylamine 111.78
    n-dodecanol 26.81
    dimethoxymethane 367.12
    ethylene carbonate 223.48
    cyrene 131.7
    2-ethoxyethyl acetate 158.03
    2-ethylhexyl acetate 124.58
    1,2,4-trichlorobenzene 164.77
    4-methylpyridine 313.07
    dibutyl ether 55.23
    2,6-dimethyl-4-heptanol 56.5
    DEF 161.76
    dimethyl isosorbide 246.65
    tetrachloroethylene 189.76
    eugenol 116.59
    triacetin 115.47
    span 80 106.82
    1,4-butanediol 45.48
    1,1-dichloroethane 192.86
    2-methyl-1-pentanol 63.14
    methyl formate 234.07
    2-methyl-1-butanol 111.02
    n-decane 6.19
    butyronitrile 216.28
    3,7-dimethyl-1-octanol 61.0
    1-chlorooctane 34.97
    1-chlorotetradecane 10.22
    n-nonane 5.77
    undecane 4.11
    tert-butylcyclohexane 10.97
    cyclooctane 10.47
    cyclopentanol 210.25
    tetrahydropyran 501.33
    tert-amyl methyl ether 93.1
    2,5,8-trioxanonane 176.93
    1-hexene 35.13
    2-isopropoxyethanol 94.44
    2,2,2-trifluoroethanol 67.2
    methyl butyrate 133.7

    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