7-Methyloctan-4-ol

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  • Identifiers

    CAS number
    33933-77-6

    Molecular formula
    C9H20O

    SMILES
    CCCC(CCC(C)C)O

    Safety labels

  • Odor profile

    Fragrance
    Green 70.61%
    Oily 65.28%
    Fermented 55.79%
    Herbal 51.96%
    Fruity 50.3%
    Alcoholic 47.05%
    Sweet 44.75%
    Floral 40.28%
    Musty 35.98%
    Mint 33.77%

     

    Flavor
    Green 38.55%
    Herbal 36.68%
    Fresh 36.31%
    Oily 35.67%
    Mushroom 31.95%
    Floral 30.49%
    Mild 28.87%
    Spicy 28.55%
    Earthy 28.44%
    Bitter 28.15%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    3.0

    pKa est.
    9.29 (weak base)

    Molecular weight
    144.25 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    184°C

    Flash point

    • 73.14 ˚C est.

  • Synonyms

    • 7-Methyloctan-4-ol
    • 7-Methyl-4-octanol
    • 33933-77-6
    • 4-Octanol, 7-methyl-
    • EINECS 251-748-1
    • SCHEMBL108353
    • SCHEMBL15158149
    • SCHEMBL28472189
    • DTXSID40955520
    • AKOS009158077
    • NS00054805
    • 33933-77-6

  • Applications

    7-Methyloctan-4-ol (CAS 33933-77-6) is used in the fragrance industry as an odorant and potential fragrance fixative; in cosmetics/personal care as a fragrance ingredient; in household products as a fragrance additive in cleaners and air fresheners; in industrial manufacturing as an intermediate for the synthesis of aroma compounds.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2075.87
    methanol 1591.56
    isopropanol 2470.27
    water 0.56
    ethyl acetate 657.57
    n-propanol 1979.91
    acetone 985.63
    n-butanol 2208.51
    acetonitrile 580.95
    DMF 666.67
    toluene 317.05
    isobutanol 1605.24
    1,4-dioxane 1492.78
    methyl acetate 530.07
    THF 2500.59
    2-butanone 885.43
    n-pentanol 1346.83
    sec-butanol 1937.75
    n-hexane 1158.72
    ethylene glycol 230.98
    NMP 494.43
    cyclohexane 941.96
    DMSO 736.95
    n-butyl acetate 1465.94
    n-octanol 772.02
    chloroform 1747.89
    n-propyl acetate 613.87
    acetic acid 657.91
    dichloromethane 962.53
    cyclohexanone 1270.14
    propylene glycol 517.47
    isopropyl acetate 536.75
    DMAc 413.7
    2-ethoxyethanol 825.52
    isopentanol 1811.8
    n-heptane 901.38
    ethyl formate 427.84
    1,2-dichloroethane 666.4
    n-hexanol 2703.12
    2-methoxyethanol 1303.04
    isobutyl acetate 468.29
    tetrachloromethane 446.93
    n-pentyl acetate 567.72
    transcutol 1842.3
    n-heptanol 938.33
    ethylbenzene 250.68
    MIBK 575.55
    2-propoxyethanol 1843.35
    tert-butanol 2816.79
    MTBE 1834.15
    2-butoxyethanol 961.67
    propionic acid 677.69
    o-xylene 220.24
    formic acid 143.26
    diethyl ether 1394.06
    m-xylene 260.46
    p-xylene 328.18
    chlorobenzene 408.09
    dimethyl carbonate 89.68
    n-octane 234.69
    formamide 125.2
    cyclopentanone 1063.54
    2-pentanone 841.9
    anisole 361.21
    cyclopentyl methyl ether 1063.8
    gamma-butyrolactone 861.77
    1-methoxy-2-propanol 1167.88
    pyridine 802.67
    3-pentanone 451.62
    furfural 670.24
    n-dodecane 123.88
    diethylene glycol 780.29
    diisopropyl ether 537.33
    tert-amyl alcohol 1934.15
    acetylacetone 464.74
    n-hexadecane 135.88
    acetophenone 289.95
    methyl propionate 371.9
    isopentyl acetate 1253.22
    trichloroethylene 985.43
    n-nonanol 638.76
    cyclohexanol 1493.36
    benzyl alcohol 345.85
    2-ethylhexanol 1514.4
    isooctanol 732.68
    dipropyl ether 1632.28
    1,2-dichlorobenzene 341.25
    ethyl lactate 250.38
    propylene carbonate 547.61
    n-methylformamide 352.62
    2-pentanol 1492.06
    n-pentane 739.33
    1-propoxy-2-propanol 1711.45
    1-methoxy-2-propyl acetate 681.1
    2-(2-methoxypropoxy) propanol 559.08
    mesitylene 214.19
    ε-caprolactone 955.34
    p-cymene 287.18
    epichlorohydrin 984.71
    1,1,1-trichloroethane 848.15
    2-aminoethanol 643.37
    morpholine-4-carbaldehyde 704.03
    sulfolane 769.44
    2,2,4-trimethylpentane 243.51
    2-methyltetrahydrofuran 1866.74
    n-hexyl acetate 760.6
    isooctane 253.05
    2-(2-butoxyethoxy)ethanol 830.96
    sec-butyl acetate 445.94
    tert-butyl acetate 610.57
    decalin 272.82
    glycerin 476.65
    diglyme 1244.54
    acrylic acid 404.89
    isopropyl myristate 330.16
    n-butyric acid 1396.71
    acetyl acetate 277.67
    di(2-ethylhexyl) phthalate 255.37
    ethyl propionate 399.53
    nitromethane 500.66
    1,2-diethoxyethane 937.74
    benzonitrile 487.24
    trioctyl phosphate 239.5
    1-bromopropane 1002.45
    gamma-valerolactone 1174.16
    n-decanol 462.34
    triethyl phosphate 249.42
    4-methyl-2-pentanol 845.27
    propionitrile 867.71
    vinylene carbonate 401.48
    1,1,2-trichlorotrifluoroethane 689.77
    DMS 255.73
    cumene 214.45
    2-octanol 604.94
    2-hexanone 816.03
    octyl acetate 381.06
    limonene 580.24
    1,2-dimethoxyethane 1373.16
    ethyl orthosilicate 295.81
    tributyl phosphate 274.86
    diacetone alcohol 657.16
    N,N-dimethylaniline 264.62
    acrylonitrile 573.79
    aniline 428.4
    1,3-propanediol 1010.37
    bromobenzene 407.18
    dibromomethane 944.3
    1,1,2,2-tetrachloroethane 1071.7
    2-methyl-cyclohexyl acetate 561.73
    tetrabutyl urea 311.46
    diisobutyl methanol 733.61
    2-phenylethanol 582.66
    styrene 285.0
    dioctyl adipate 368.31
    dimethyl sulfate 121.21
    ethyl butyrate 756.86
    methyl lactate 232.17
    butyl lactate 457.92
    diethyl carbonate 382.11
    propanediol butyl ether 785.36
    triethyl orthoformate 593.49
    p-tert-butyltoluene 299.4
    methyl 4-tert-butylbenzoate 359.67
    morpholine 1905.09
    tert-butylamine 2232.11
    n-dodecanol 364.5
    dimethoxymethane 494.99
    ethylene carbonate 418.74
    cyrene 342.68
    2-ethoxyethyl acetate 473.15
    2-ethylhexyl acetate 968.67
    1,2,4-trichlorobenzene 365.2
    4-methylpyridine 765.48
    dibutyl ether 964.62
    2,6-dimethyl-4-heptanol 733.61
    DEF 604.95
    dimethyl isosorbide 687.78
    tetrachloroethylene 776.06
    eugenol 358.53
    triacetin 405.03
    span 80 696.27
    1,4-butanediol 395.25
    1,1-dichloroethane 1073.54
    2-methyl-1-pentanol 1031.88
    methyl formate 212.31
    2-methyl-1-butanol 1421.68
    n-decane 239.35
    butyronitrile 1338.59
    3,7-dimethyl-1-octanol 777.54
    1-chlorooctane 489.1
    1-chlorotetradecane 192.7
    n-nonane 269.78
    undecane 163.32
    tert-butylcyclohexane 297.84
    cyclooctane 285.29
    cyclopentanol 1360.87
    tetrahydropyran 2423.74
    tert-amyl methyl ether 995.45
    2,5,8-trioxanonane 751.35
    1-hexene 1694.05
    2-isopropoxyethanol 699.47
    2,2,2-trifluoroethanol 144.62
    methyl butyrate 620.66

    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