1H-Naphtho(2,3-c)pyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl-

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  • Identifiers

    CAS number
    1922-67-4

    Molecular formula
    C18H26O

    SMILES
    CC1COCC2=CC3=C(C=C12)C(CCC3(C)C)(C)C

  • Odor profile

    Fragrance
    Musk 69.64%
    Sweet 49.21%
    Amber 46.02%
    Woody 43.75%
    Powdery 42.99%
    Dry 37.45%
    Animal 36.07%
    Floral 34.55%
    Fruity 31.9%
    Leathery 26.73%

     

    Flavor
    Woody 54.38%
    Camphor 44.33%
    Earthy 40.33%
    Earth 32.24%
    Musty 31.56%
    Spicy 30.69%
    Wood 27.61%
    Spice 27.32%
    Dry 26.97%
    Pine 26.37%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    5.1

    pKa est.
    6.84 (neutral)

    Molecular weight
    258.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    331°C

    Flash point

    • 151.25 ˚C est.

  • Synonyms

    • 1922-67-4
    • EINECS 217-652-9
    • 3,4,6,7,8,9-Hexahydro-4,6,6,9,9-pentamethyl-1H-naphtho[2,3-c]pyran
    • 6P11B07H84
    • 1H-Naphtho(2,3-c)pyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl-
    • 3,4,6,7,8,9-Hexahydro-4,6,6,9,9-pentamethyl-1H-naphtho(2,3-c)pyran
    • MUSK-89
    • UNII-6P11B07H84
    • DTXSID00862781
    • 4,6,6,9,9-pentamethyl-3,4,7,8-tetrahydro-1H-benzo[g]isochromene
    • 3,4,6,7,8,9-Hexahydro-4,6,6,9,9-pentamethyl-1-naphtho(2,3-c)pyran
    • 1H-Naphtho[2,3-c]pyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl-
    • HIEQGQHLWHRFOV-UHFFFAOYSA-N
    • SCHEMBL10998797
    • DTXCID50811502
    • NS00012548
    • Q27265250
    • 1H-Naphtho2,3-cpyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl-
    • 217-652-9

  • Applications

    1H-Naphtho(2,3-c)pyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl- (CAS 1922-67-4) is used as a fragrance ingredient in perfumery and cosmetics and may function as an odorant or scent constituent in fragrance formulations; it can serve as a chemical intermediate in the industrial synthesis of fragrance compounds; it may be evaluated for use in household and cleaning product formulations to impart or stabilize a scent; and it may be considered for flavor/aroma applications where permitted by regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 123.72
    methanol 56.19
    isopropanol 109.22
    water 0.17
    ethyl acetate 425.31
    n-propanol 201.43
    acetone 402.71
    n-butanol 194.13
    acetonitrile 220.22
    DMF 601.67
    toluene 649.46
    isobutanol 172.85
    1,4-dioxane 815.64
    methyl acetate 460.81
    THF 1094.08
    2-butanone 534.18
    n-pentanol 137.16
    sec-butanol 133.34
    n-hexane 76.63
    ethylene glycol 21.3
    NMP 581.93
    cyclohexane 195.25
    DMSO 210.16
    n-butyl acetate 545.27
    n-octanol 136.6
    chloroform 1618.76
    n-propyl acetate 369.37
    acetic acid 123.91
    dichloromethane 1301.86
    cyclohexanone 896.5
    propylene glycol 43.98
    isopropyl acetate 343.62
    DMAc 549.04
    2-ethoxyethanol 202.89
    isopentanol 193.61
    n-heptane 72.94
    ethyl formate 291.01
    1,2-dichloroethane 882.25
    n-hexanol 260.91
    2-methoxyethanol 242.0
    isobutyl acetate 352.1
    tetrachloromethane 297.39
    n-pentyl acetate 387.65
    transcutol 640.28
    n-heptanol 173.78
    ethylbenzene 332.92
    MIBK 327.87
    2-propoxyethanol 388.03
    tert-butanol 146.44
    MTBE 311.46
    2-butoxyethanol 297.7
    propionic acid 187.36
    o-xylene 374.59
    formic acid 22.17
    diethyl ether 369.45
    m-xylene 421.96
    p-xylene 448.2
    chlorobenzene 720.23
    dimethyl carbonate 253.51
    n-octane 37.1
    formamide 54.53
    cyclopentanone 968.56
    2-pentanone 426.0
    anisole 436.69
    cyclopentyl methyl ether 628.05
    gamma-butyrolactone 901.36
    1-methoxy-2-propanol 215.34
    pyridine 881.8
    3-pentanone 434.4
    furfural 768.36
    n-dodecane 24.32
    diethylene glycol 170.96
    diisopropyl ether 173.43
    tert-amyl alcohol 140.48
    acetylacetone 454.92
    n-hexadecane 30.23
    acetophenone 433.94
    methyl propionate 422.24
    isopentyl acetate 544.8
    trichloroethylene 1651.68
    n-nonanol 136.79
    cyclohexanol 277.93
    benzyl alcohol 309.98
    2-ethylhexanol 234.13
    isooctanol 154.45
    dipropyl ether 323.74
    1,2-dichlorobenzene 652.21
    ethyl lactate 169.79
    propylene carbonate 591.84
    n-methylformamide 204.26
    2-pentanol 130.85
    n-pentane 72.15
    1-propoxy-2-propanol 304.76
    1-methoxy-2-propyl acetate 496.2
    2-(2-methoxypropoxy) propanol 232.2
    mesitylene 276.34
    ε-caprolactone 751.47
    p-cymene 236.61
    epichlorohydrin 1069.51
    1,1,1-trichloroethane 849.03
    2-aminoethanol 59.95
    morpholine-4-carbaldehyde 736.07
    sulfolane 716.47
    2,2,4-trimethylpentane 45.47
    2-methyltetrahydrofuran 777.15
    n-hexyl acetate 440.53
    isooctane 40.32
    2-(2-butoxyethoxy)ethanol 291.37
    sec-butyl acetate 304.15
    tert-butyl acetate 360.56
    decalin 102.19
    glycerin 51.4
    diglyme 621.35
    acrylic acid 162.03
    isopropyl myristate 194.46
    n-butyric acid 291.17
    acetyl acetate 303.03
    di(2-ethylhexyl) phthalate 186.1
    ethyl propionate 329.74
    nitromethane 313.36
    1,2-diethoxyethane 404.23
    benzonitrile 494.06
    trioctyl phosphate 137.54
    1-bromopropane 550.91
    gamma-valerolactone 1135.26
    n-decanol 103.54
    triethyl phosphate 208.6
    4-methyl-2-pentanol 119.46
    propionitrile 295.63
    vinylene carbonate 623.01
    1,1,2-trichlorotrifluoroethane 496.1
    DMS 423.22
    cumene 225.56
    2-octanol 115.68
    2-hexanone 350.5
    octyl acetate 232.45
    limonene 267.87
    1,2-dimethoxyethane 497.61
    ethyl orthosilicate 212.66
    tributyl phosphate 165.16
    diacetone alcohol 267.23
    N,N-dimethylaniline 316.96
    acrylonitrile 329.49
    aniline 439.1
    1,3-propanediol 100.06
    bromobenzene 879.21
    dibromomethane 903.42
    1,1,2,2-tetrachloroethane 1229.67
    2-methyl-cyclohexyl acetate 372.87
    tetrabutyl urea 196.53
    diisobutyl methanol 142.45
    2-phenylethanol 374.71
    styrene 391.57
    dioctyl adipate 267.17
    dimethyl sulfate 306.25
    ethyl butyrate 387.78
    methyl lactate 170.03
    butyl lactate 260.23
    diethyl carbonate 285.7
    propanediol butyl ether 202.95
    triethyl orthoformate 308.97
    p-tert-butyltoluene 229.66
    methyl 4-tert-butylbenzoate 357.35
    morpholine 759.72
    tert-butylamine 121.82
    n-dodecanol 82.79
    dimethoxymethane 473.06
    ethylene carbonate 558.52
    cyrene 305.61
    2-ethoxyethyl acetate 470.82
    2-ethylhexyl acetate 507.12
    1,2,4-trichlorobenzene 722.25
    4-methylpyridine 885.72
    dibutyl ether 235.02
    2,6-dimethyl-4-heptanol 142.45
    DEF 492.26
    dimethyl isosorbide 532.59
    tetrachloroethylene 749.72
    eugenol 305.99
    triacetin 404.6
    span 80 228.44
    1,4-butanediol 56.71
    1,1-dichloroethane 769.51
    2-methyl-1-pentanol 156.8
    methyl formate 206.84
    2-methyl-1-butanol 181.72
    n-decane 44.16
    butyronitrile 325.45
    3,7-dimethyl-1-octanol 152.62
    1-chlorooctane 168.99
    1-chlorotetradecane 73.44
    n-nonane 41.77
    undecane 31.25
    tert-butylcyclohexane 84.57
    cyclooctane 88.3
    cyclopentanol 258.13
    tetrahydropyran 896.87
    tert-amyl methyl ether 254.69
    2,5,8-trioxanonane 362.95
    1-hexene 198.75
    2-isopropoxyethanol 194.7
    2,2,2-trifluoroethanol 71.54
    methyl butyrate 400.07

    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