7-Methyltetralone

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  • Identifiers

    CAS number
    22009-37-6

    Molecular formula
    C11H12O

    SMILES
    CC1=CC2=C(CCCC2=O)C=C1

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Floral 60.61%
    Sweet 46.63%
    Animal 42.43%
    Coumarinic 41.37%
    Hay 40.06%
    Powdery 39.46%
    Phenolic 35.89%
    Neroli 35.48%
    Musk 34.5%
    Tobacco 32.67%

     

    Flavor
    Bitter 44.08%
    Minty 29.45%
    Sweet 28.0%
    Phenolic 27.6%
    Tonka 27.13%
    Coumarin 25.72%
    Herbal 24.77%
    Animal 24.12%
    Medicinal 23.64%
    Tobacco 22.74%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.4

    pKa est.
    7.35 (neutral)

    Molecular weight
    160.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    281°C

    Flash point

    • 108.82 ˚C est.

  • Synonyms

    • 7-Methyl-1-tetralone
    • 22009-37-6
    • 7-Methyltetralone
    • 1(2H)-Naphthalenone, 3,4-dihydro-7-methyl-
    • 3,4-Dihydro-7-methylnaphthalen-1(2H)-one
    • 7-Methyl-alpha-tetralone
    • M6W8PW7VP8
    • NSC-115847
    • DTXSID0066747
    • EINECS 244-717-9
    • NSC 115847
    • RefChem:546890
    • DTXCID7036589
    • 244-717-9
    • 7-Methyl-3,4-dihydronaphthalen-1(2H)-one
    • 7-methyl-3,4-dihydro-2H-naphthalen-1-one
    • MFCD00087600
    • 7-methyl-1,2,3,4-tetrahydronaphthalen-1-one
    • 7-methyl-3,4-dihydro-1(2h)-naphthalenone
    • 3,4-Dihydro-7-methyl-1(2H)-naphthalenone;
    • NSC115847
    • 7-Methyl-a-tetralone
    • 7-Methyl-1-tetralon
    • 3,4-Dihydro-7-methyl-1(2H)-naphthalenone
    • UNII-M6W8PW7VP8
    • 7-Methyl-.alpha.-tetralone
    • SCHEMBL1274936
    • SCHEMBL29673118
    • AKOS012025011
    • CS-W005512
    • DS-5061
    • MB00615
    • AC-31091
    • SY030270
    • 1(2H)-Naphthalenone,4-dihydro-7-methyl-
    • M3255
    • NS00012248
    • EN300-102330
    • I10919
    • 009M376
    • F321638
    • 7-Methyl-3 pound not4-dihydronaphthalen-1(2H)-one
    • Z1008431156
    • 7-Methyl-1,2,3,4-tetrahydronaphthalen-1-one;7-Methyl-2,3,4-trihydronaphthalen-1-one;
    • 22009-37-6

  • Applications

    7-Methyltetralone (CAS 22009-37-6) is commonly used as an intermediate in industrial synthesis and pharmaceutical development, serving as a building block for tetralone-derived compounds and related polycyclic frameworks; in the perfumery and fragrance sector, it is considered a precursor or intermediate for aroma compounds used in perfumes and personal care products; in cosmetics/personal care, it may function as a fragrance ingredient or precursor in cosmetic formulations; in industrial manufacturing, it plays the role of a building block for the synthesis of specialty organic compounds and related tetralone derivatives.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 159.79
    methanol 121.93
    isopropanol 149.46
    water 1.13
    ethyl acetate 281.1
    n-propanol 167.99
    acetone 395.85
    n-butanol 163.85
    acetonitrile 322.33
    DMF 817.57
    toluene 286.91
    isobutanol 138.05
    1,4-dioxane 560.92
    methyl acetate 376.88
    THF 460.95
    2-butanone 411.47
    n-pentanol 120.05
    sec-butanol 142.76
    n-hexane 28.3
    ethylene glycol 56.24
    NMP 451.62
    cyclohexane 48.59
    DMSO 382.07
    n-butyl acetate 313.48
    n-octanol 159.81
    chloroform 1307.36
    n-propyl acetate 228.6
    acetic acid 133.22
    dichloromethane 1321.19
    cyclohexanone 565.69
    propylene glycol 55.51
    isopropyl acetate 163.95
    DMAc 494.62
    2-ethoxyethanol 171.89
    isopentanol 139.57
    n-heptane 45.94
    ethyl formate 308.32
    1,2-dichloroethane 769.12
    n-hexanol 209.81
    2-methoxyethanol 260.1
    isobutyl acetate 153.06
    tetrachloromethane 176.5
    n-pentyl acetate 201.82
    transcutol 476.8
    n-heptanol 135.68
    ethylbenzene 212.07
    MIBK 179.39
    2-propoxyethanol 277.41
    tert-butanol 155.46
    MTBE 165.94
    2-butoxyethanol 196.17
    propionic acid 189.28
    o-xylene 218.78
    formic acid 39.67
    diethyl ether 205.8
    m-xylene 222.05
    p-xylene 259.97
    chlorobenzene 404.79
    dimethyl carbonate 170.83
    n-octane 31.46
    formamide 101.49
    cyclopentanone 573.21
    2-pentanone 297.97
    anisole 327.07
    cyclopentyl methyl ether 228.22
    gamma-butyrolactone 567.01
    1-methoxy-2-propanol 199.74
    pyridine 614.87
    3-pentanone 271.22
    furfural 593.61
    n-dodecane 31.02
    diethylene glycol 204.16
    diisopropyl ether 71.34
    tert-amyl alcohol 146.3
    acetylacetone 308.68
    n-hexadecane 35.79
    acetophenone 309.63
    methyl propionate 268.3
    isopentyl acetate 251.49
    trichloroethylene 1342.95
    n-nonanol 135.91
    cyclohexanol 163.9
    benzyl alcohol 219.06
    2-ethylhexanol 157.13
    isooctanol 111.4
    dipropyl ether 175.56
    1,2-dichlorobenzene 380.46
    ethyl lactate 127.46
    propylene carbonate 368.68
    n-methylformamide 332.85
    2-pentanol 107.82
    n-pentane 26.86
    1-propoxy-2-propanol 215.1
    1-methoxy-2-propyl acetate 253.85
    2-(2-methoxypropoxy) propanol 205.04
    mesitylene 145.62
    ε-caprolactone 433.95
    p-cymene 141.06
    epichlorohydrin 708.96
    1,1,1-trichloroethane 571.88
    2-aminoethanol 87.74
    morpholine-4-carbaldehyde 543.71
    sulfolane 488.93
    2,2,4-trimethylpentane 19.52
    2-methyltetrahydrofuran 320.56
    n-hexyl acetate 289.2
    isooctane 19.45
    2-(2-butoxyethoxy)ethanol 248.01
    sec-butyl acetate 153.75
    tert-butyl acetate 164.09
    decalin 46.04
    glycerin 79.7
    diglyme 464.38
    acrylic acid 172.65
    isopropyl myristate 135.64
    n-butyric acid 215.1
    acetyl acetate 187.39
    di(2-ethylhexyl) phthalate 118.32
    ethyl propionate 212.56
    nitromethane 383.57
    1,2-diethoxyethane 278.02
    benzonitrile 388.08
    trioctyl phosphate 91.07
    1-bromopropane 369.87
    gamma-valerolactone 626.08
    n-decanol 112.12
    triethyl phosphate 128.46
    4-methyl-2-pentanol 80.74
    propionitrile 325.12
    vinylene carbonate 419.98
    1,1,2-trichlorotrifluoroethane 308.86
    DMS 270.24
    cumene 148.86
    2-octanol 112.86
    2-hexanone 239.05
    octyl acetate 167.43
    limonene 168.33
    1,2-dimethoxyethane 389.81
    ethyl orthosilicate 111.44
    tributyl phosphate 104.82
    diacetone alcohol 187.56
    N,N-dimethylaniline 226.13
    acrylonitrile 460.39
    aniline 234.99
    1,3-propanediol 129.89
    bromobenzene 470.86
    dibromomethane 831.26
    1,1,2,2-tetrachloroethane 877.54
    2-methyl-cyclohexyl acetate 180.14
    tetrabutyl urea 156.68
    diisobutyl methanol 98.33
    2-phenylethanol 247.76
    styrene 240.22
    dioctyl adipate 163.41
    dimethyl sulfate 233.81
    ethyl butyrate 232.34
    methyl lactate 133.98
    butyl lactate 147.34
    diethyl carbonate 187.0
    propanediol butyl ether 161.76
    triethyl orthoformate 145.85
    p-tert-butyltoluene 123.62
    methyl 4-tert-butylbenzoate 247.32
    morpholine 452.44
    tert-butylamine 108.62
    n-dodecanol 95.14
    dimethoxymethane 342.04
    ethylene carbonate 336.68
    cyrene 190.2
    2-ethoxyethyl acetate 251.78
    2-ethylhexyl acetate 210.56
    1,2,4-trichlorobenzene 398.69
    4-methylpyridine 532.38
    dibutyl ether 184.01
    2,6-dimethyl-4-heptanol 98.33
    DEF 338.23
    dimethyl isosorbide 317.5
    tetrachloroethylene 539.07
    eugenol 233.38
    triacetin 246.7
    span 80 171.98
    1,4-butanediol 71.66
    1,1-dichloroethane 664.56
    2-methyl-1-pentanol 122.77
    methyl formate 305.88
    2-methyl-1-butanol 139.82
    n-decane 45.14
    butyronitrile 304.46
    3,7-dimethyl-1-octanol 137.35
    1-chlorooctane 152.28
    1-chlorotetradecane 74.06
    n-nonane 44.77
    undecane 37.07
    tert-butylcyclohexane 42.65
    cyclooctane 25.17
    cyclopentanol 172.7
    tetrahydropyran 372.9
    tert-amyl methyl ether 139.95
    2,5,8-trioxanonane 329.39
    1-hexene 108.88
    2-isopropoxyethanol 148.99
    2,2,2-trifluoroethanol 83.63
    methyl butyrate 288.56

    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