2-Naphthalenecarboxaldehyde, 5,6,7,8-tetrahydro-1-methoxy-3,5,5,8,8-pentamethyl-

Overview IFRA Request a quote

  • Identifiers

    CAS number
    89780-06-3

    Molecular formula
    C17H24O2

    SMILES
    CC1=CC2=C(C(=C1C=O)OC)C(CCC2(C)C)(C)C

  • Odor profile

    Fragrance
    Sweet 74.46%
    Musk 65.91%
    Woody 63.38%
    Powdery 53.86%
    Dry 48.17%
    Amber 45.25%
    Tobacco 35.38%
    Spicy 35.08%
    Fruity 33.91%
    Phenolic 30.02%

     

    Flavor
    Woody 59.11%
    Camphor 44.61%
    Bitter 31.32%
    Herbal 30.84%
    Phenolic 30.65%
    Spice 24.12%
    Musty 23.95%
    Spicy 22.9%
    Medicinal 22.64%
    Ripe apricot 21.93%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    4.8

    pKa est.
    6.79 (neutral)

    Molecular weight
    260.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    323°C

    Flash point

    • 136.49 ˚C est.

  • Synonyms

    • 2-Naphthalenecarboxaldehyde, 5,6,7,8-tetrahydro-1-methoxy-3,5,5,8,8-pentamethyl-
    • 89780-06-3
    • DTXSID9072949
    • SCHEMBL5947945
    • DTXCID5048681
    • 2-formyl-1-methoxy-3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalene
    • 2-formyl-5,6,7,8-tetrahydro-1-methoxy-3,5,5,8,8-pentamethylnaphthalene
    • 6-formyl-1,1,4,4,7-pentamethyl-5-methoxy-1,2,3,4-tetrahydronaphthalene
    • 1-methoxy-3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxaldehyde

  • Applications

    2-Naphthalenecarboxaldehyde, 5,6,7,8-tetrahydro-1-methoxy-3,5,5,8,8-pentamethyl- (CAS number: 89780-06-3) is primarily used as a synthetic building block in organic chemistry with several commercial applications. In fragrance and perfumery, it is employed as an intermediate or odorant precursor for aroma formulations and may appear in cosmetics/personal care products as a fragrance ingredient. It is also used as a precursor in the synthesis of dyes, pigments, and specialty polymers, where its aryl-aldehyde functionality enables further derivatization. In coatings and inks, it can serve as a chemical intermediate for formulation components or as a starting point for producing functionalized materials. It may also be encountered as an intermediate in pharmaceutical route development, subject to regulatory and formulation constraints. Its use is typically linked to synthetic utility and governed by local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 147.35
    methanol 106.47
    isopropanol 161.54
    water 0.29
    ethyl acetate 485.49
    n-propanol 203.93
    acetone 557.48
    n-butanol 190.07
    acetonitrile 347.77
    DMF 964.03
    toluene 601.76
    isobutanol 190.06
    1,4-dioxane 779.9
    methyl acetate 590.46
    THF 1376.54
    2-butanone 703.45
    n-pentanol 153.83
    sec-butanol 195.16
    n-hexane 43.99
    ethylene glycol 51.01
    NMP 965.49
    cyclohexane 126.06
    DMSO 417.94
    n-butyl acetate 412.42
    n-octanol 144.69
    chloroform 1905.08
    n-propyl acetate 371.43
    acetic acid 143.25
    dichloromethane 1655.99
    cyclohexanone 1174.32
    propylene glycol 79.09
    isopropyl acetate 294.51
    DMAc 685.49
    2-ethoxyethanol 194.88
    isopentanol 166.45
    n-heptane 45.16
    ethyl formate 430.97
    1,2-dichloroethane 1070.6
    n-hexanol 256.3
    2-methoxyethanol 289.8
    isobutyl acetate 256.81
    tetrachloromethane 288.73
    n-pentyl acetate 323.88
    transcutol 234.96
    n-heptanol 158.21
    ethylbenzene 323.97
    MIBK 283.19
    2-propoxyethanol 336.46
    tert-butanol 193.84
    MTBE 257.3
    2-butoxyethanol 220.56
    propionic acid 260.23
    o-xylene 381.87
    formic acid 47.04
    diethyl ether 275.52
    m-xylene 386.8
    p-xylene 455.99
    chlorobenzene 832.39
    dimethyl carbonate 275.32
    n-octane 31.01
    formamide 100.52
    cyclopentanone 1517.75
    2-pentanone 494.59
    anisole 443.18
    cyclopentyl methyl ether 590.12
    gamma-butyrolactone 1422.03
    1-methoxy-2-propanol 268.92
    pyridine 1047.87
    3-pentanone 475.67
    furfural 1053.13
    n-dodecane 23.92
    diethylene glycol 198.5
    diisopropyl ether 104.93
    tert-amyl alcohol 206.38
    acetylacetone 539.32
    n-hexadecane 29.42
    acetophenone 479.34
    methyl propionate 502.61
    isopentyl acetate 357.03
    trichloroethylene 2201.11
    n-nonanol 130.45
    cyclohexanol 332.64
    benzyl alcohol 344.5
    2-ethylhexanol 190.33
    isooctanol 134.22
    dipropyl ether 186.02
    1,2-dichlorobenzene 711.06
    ethyl lactate 187.71
    propylene carbonate 771.86
    n-methylformamide 404.44
    2-pentanol 146.51
    n-pentane 42.77
    1-propoxy-2-propanol 247.23
    1-methoxy-2-propyl acetate 346.84
    2-(2-methoxypropoxy) propanol 179.9
    mesitylene 247.21
    ε-caprolactone 858.26
    p-cymene 208.37
    epichlorohydrin 1405.37
    1,1,1-trichloroethane 1026.7
    2-aminoethanol 93.5
    morpholine-4-carbaldehyde 793.71
    sulfolane 1232.57
    2,2,4-trimethylpentane 30.2
    2-methyltetrahydrofuran 851.42
    n-hexyl acetate 394.13
    isooctane 23.55
    2-(2-butoxyethoxy)ethanol 199.91
    sec-butyl acetate 238.92
    tert-butyl acetate 293.55
    decalin 73.65
    glycerin 97.92
    diglyme 390.84
    acrylic acid 223.41
    isopropyl myristate 155.82
    n-butyric acid 314.05
    acetyl acetate 310.49
    di(2-ethylhexyl) phthalate 164.84
    ethyl propionate 341.35
    nitromethane 478.12
    1,2-diethoxyethane 213.17
    benzonitrile 607.73
    trioctyl phosphate 132.05
    1-bromopropane 550.74
    gamma-valerolactone 1311.61
    n-decanol 100.73
    triethyl phosphate 155.24
    4-methyl-2-pentanol 103.51
    propionitrile 414.7
    vinylene carbonate 721.1
    1,1,2-trichlorotrifluoroethane 557.73
    DMS 377.34
    cumene 215.02
    2-octanol 134.56
    2-hexanone 370.86
    octyl acetate 210.51
    limonene 241.04
    1,2-dimethoxyethane 448.63
    ethyl orthosilicate 139.62
    tributyl phosphate 135.37
    diacetone alcohol 289.09
    N,N-dimethylaniline 292.33
    acrylonitrile 541.97
    aniline 465.3
    1,3-propanediol 138.42
    bromobenzene 975.26
    dibromomethane 1097.38
    1,1,2,2-tetrachloroethane 1524.94
    2-methyl-cyclohexyl acetate 279.24
    tetrabutyl urea 189.13
    diisobutyl methanol 103.69
    2-phenylethanol 396.2
    styrene 359.92
    dioctyl adipate 210.03
    dimethyl sulfate 433.0
    ethyl butyrate 289.99
    methyl lactate 225.13
    butyl lactate 220.92
    diethyl carbonate 210.41
    propanediol butyl ether 177.82
    triethyl orthoformate 182.42
    p-tert-butyltoluene 194.04
    methyl 4-tert-butylbenzoate 339.35
    morpholine 742.47
    tert-butylamine 124.29
    n-dodecanol 79.1
    dimethoxymethane 480.59
    ethylene carbonate 586.91
    cyrene 328.99
    2-ethoxyethyl acetate 351.98
    2-ethylhexyl acetate 318.45
    1,2,4-trichlorobenzene 786.09
    4-methylpyridine 961.5
    dibutyl ether 151.53
    2,6-dimethyl-4-heptanol 103.69
    DEF 503.46
    dimethyl isosorbide 438.96
    tetrachloroethylene 856.22
    eugenol 301.01
    triacetin 305.5
    span 80 190.27
    1,4-butanediol 81.32
    1,1-dichloroethane 993.27
    2-methyl-1-pentanol 152.33
    methyl formate 436.5
    2-methyl-1-butanol 182.5
    n-decane 38.97
    butyronitrile 390.26
    3,7-dimethyl-1-octanol 129.49
    1-chlorooctane 160.65
    1-chlorotetradecane 73.13
    n-nonane 37.5
    undecane 29.94
    tert-butylcyclohexane 58.72
    cyclooctane 54.0
    cyclopentanol 424.46
    tetrahydropyran 822.2
    tert-amyl methyl ether 221.18
    2,5,8-trioxanonane 245.69
    1-hexene 147.07
    2-isopropoxyethanol 167.15
    2,2,2-trifluoroethanol 97.08
    methyl butyrate 477.81

    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