7-Methyl-3-methylene-1,6,7-octanetriol

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  • Identifiers

    CAS number
    240495-78-7

    Molecular formula
    C10H20O3

    SMILES
    CC(C)(C(CCC(=C)CCO)O)O

    Safety labels

  • Odor profile

    Fragrance
    Sweet 40.54%
    Odorless 35.89%
    Woody 34.24%
    Mint 25.65%
    Cooling 24.77%
    Dry 23.05%
    Fresh 23.01%
    Balsamic 21.07%
    Creamy 20.56%
    Musk 20.19%

     

    Flavor
    Fruity 37.9%
    Odorless 32.6%
    Sweet 28.17%
    Mild 27.58%
    Tropical 26.54%
    Herbal 24.72%
    Oily 21.11%
    Bitter 20.87%
    Sweet-like 20.61%
    Very slight 20.42%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    0.8

    pKa est.
    9.5 (weak base)

    Molecular weight
    188.26 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    326°C

    Flash point

    • 148.75 ˚C est.

  • Synonyms

    • 7-Methyl-3-methylene-1,6,7-octanetriol
    • 7-methyl-3-methylideneoctane-1,6,7-triol
    • 240495-78-7
    • RefChem:106340
    • SCHEMBL26624838
    • CHEBI:171750
    • DTXSID901283892
    • LMFA05000635
    • 240495-78-7

  • Applications

    Chemical name: 7-Methyl-3-methylene-1,6,7-octanetriol; CAS number: 240495-78-7 is a multifunctional unsaturated triol used primarily as an intermediate in organic synthesis and as a reactive building block for polymer and coating formulations. In industry, it can serve as a crosslinking agent in polyurethane systems, as a co-monomer or precursor for specialty polymers and resins, and as a precursor for fragrance chemistry leveraging its vinyl functionality.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 879.16
    methanol 1725.04
    isopropanol 507.8
    water 85.92
    ethyl acetate 82.0
    n-propanol 481.28
    acetone 122.43
    n-butanol 432.41
    acetonitrile 75.22
    DMF 512.13
    toluene 18.1
    isobutanol 259.99
    1,4-dioxane 584.97
    methyl acetate 69.62
    THF 594.7
    2-butanone 71.84
    n-pentanol 198.67
    sec-butanol 274.06
    n-hexane 6.3
    ethylene glycol 540.66
    NMP 215.32
    cyclohexane 15.46
    DMSO 393.14
    n-butyl acetate 48.29
    n-octanol 90.77
    chloroform 56.0
    n-propyl acetate 50.28
    acetic acid 614.1
    dichloromethane 37.2
    cyclohexanone 156.78
    propylene glycol 585.36
    isopropyl acetate 64.41
    DMAc 336.44
    2-ethoxyethanol 577.57
    isopentanol 256.6
    n-heptane 9.83
    ethyl formate 105.86
    1,2-dichloroethane 26.87
    n-hexanol 198.74
    2-methoxyethanol 1202.23
    isobutyl acetate 41.42
    tetrachloromethane 15.88
    n-pentyl acetate 41.29
    transcutol 702.45
    n-heptanol 114.73
    ethylbenzene 13.31
    MIBK 74.05
    2-propoxyethanol 401.01
    tert-butanol 620.28
    MTBE 138.93
    2-butoxyethanol 233.69
    propionic acid 245.49
    o-xylene 23.13
    formic acid 763.61
    diethyl ether 84.81
    m-xylene 24.25
    p-xylene 19.25
    chlorobenzene 18.62
    dimethyl carbonate 36.66
    n-octane 4.44
    formamide 569.43
    cyclopentanone 162.62
    2-pentanone 77.36
    anisole 57.71
    cyclopentyl methyl ether 139.22
    gamma-butyrolactone 180.08
    1-methoxy-2-propanol 641.77
    pyridine 85.28
    3-pentanone 41.01
    furfural 194.17
    n-dodecane 3.64
    diethylene glycol 487.53
    diisopropyl ether 29.77
    tert-amyl alcohol 327.52
    acetylacetone 102.62
    n-hexadecane 3.81
    acetophenone 53.54
    methyl propionate 66.15
    isopentyl acetate 56.74
    trichloroethylene 51.51
    n-nonanol 77.77
    cyclohexanol 226.82
    benzyl alcohol 95.22
    2-ethylhexanol 76.74
    isooctanol 79.08
    dipropyl ether 53.17
    1,2-dichlorobenzene 19.8
    ethyl lactate 73.61
    propylene carbonate 102.82
    n-methylformamide 331.36
    2-pentanol 181.06
    n-pentane 8.15
    1-propoxy-2-propanol 232.45
    1-methoxy-2-propyl acetate 98.81
    2-(2-methoxypropoxy) propanol 179.21
    mesitylene 19.91
    ε-caprolactone 141.6
    p-cymene 16.03
    epichlorohydrin 161.78
    1,1,1-trichloroethane 22.42
    2-aminoethanol 849.27
    morpholine-4-carbaldehyde 450.41
    sulfolane 200.42
    2,2,4-trimethylpentane 6.86
    2-methyltetrahydrofuran 222.88
    n-hexyl acetate 67.17
    isooctane 6.03
    2-(2-butoxyethoxy)ethanol 277.76
    sec-butyl acetate 38.72
    tert-butyl acetate 96.22
    decalin 6.79
    glycerin 826.85
    diglyme 401.07
    acrylic acid 205.08
    isopropyl myristate 28.1
    n-butyric acid 314.26
    acetyl acetate 55.14
    di(2-ethylhexyl) phthalate 42.73
    ethyl propionate 41.25
    nitromethane 327.38
    1,2-diethoxyethane 105.57
    benzonitrile 47.5
    trioctyl phosphate 33.56
    1-bromopropane 15.93
    gamma-valerolactone 349.33
    n-decanol 53.79
    triethyl phosphate 31.31
    4-methyl-2-pentanol 107.09
    propionitrile 65.67
    vinylene carbonate 87.3
    1,1,2-trichlorotrifluoroethane 239.65
    DMS 37.38
    cumene 14.61
    2-octanol 55.65
    2-hexanone 53.28
    octyl acetate 39.59
    limonene 27.79
    1,2-dimethoxyethane 501.71
    ethyl orthosilicate 35.03
    tributyl phosphate 33.21
    diacetone alcohol 222.33
    N,N-dimethylaniline 51.0
    acrylonitrile 74.9
    aniline 76.94
    1,3-propanediol 974.11
    bromobenzene 12.01
    dibromomethane 22.54
    1,1,2,2-tetrachloroethane 58.74
    2-methyl-cyclohexyl acetate 53.41
    tetrabutyl urea 46.78
    diisobutyl methanol 45.97
    2-phenylethanol 79.57
    styrene 13.92
    dioctyl adipate 49.36
    dimethyl sulfate 60.9
    ethyl butyrate 44.72
    methyl lactate 116.91
    butyl lactate 69.56
    diethyl carbonate 29.15
    propanediol butyl ether 244.08
    triethyl orthoformate 48.78
    p-tert-butyltoluene 18.26
    methyl 4-tert-butylbenzoate 79.54
    morpholine 742.69
    tert-butylamine 244.08
    n-dodecanol 38.4
    dimethoxymethane 266.79
    ethylene carbonate 84.05
    cyrene 154.72
    2-ethoxyethyl acetate 65.28
    2-ethylhexyl acetate 37.52
    1,2,4-trichlorobenzene 26.69
    4-methylpyridine 74.27
    dibutyl ether 41.16
    2,6-dimethyl-4-heptanol 45.97
    DEF 132.4
    dimethyl isosorbide 200.29
    tetrachloroethylene 55.13
    eugenol 98.73
    triacetin 73.03
    span 80 157.92
    1,4-butanediol 337.69
    1,1-dichloroethane 22.03
    2-methyl-1-pentanol 132.67
    methyl formate 189.71
    2-methyl-1-butanol 203.02
    n-decane 6.13
    butyronitrile 92.24
    3,7-dimethyl-1-octanol 72.91
    1-chlorooctane 18.74
    1-chlorotetradecane 8.59
    n-nonane 5.66
    undecane 4.44
    tert-butylcyclohexane 7.06
    cyclooctane 6.38
    cyclopentanol 246.52
    tetrahydropyran 258.48
    tert-amyl methyl ether 99.65
    2,5,8-trioxanonane 297.94
    1-hexene 17.39
    2-isopropoxyethanol 280.94
    2,2,2-trifluoroethanol 180.57
    methyl butyrate 67.35

    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