2-Methyl-1-heptene

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  • Identifiers

    CAS number
    15870-10-7

    Molecular formula
    C8H16

    SMILES
    CCCCCC(=C)C

    Safety labels

    Flammable
    Flammable

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Citrus 51.01%
    Herbal 48.12%
    Gassy 40.73%
    Fruity 39.86%
    Fresh 39.85%
    Sweet 39.76%
    Floral 37.91%
    Lemon 36.1%
    Terpenic 28.35%
    Spicy 27.35%

     

    Flavor
    Citrus 43.31%
    Woody 33.9%
    Herbal 32.07%
    Floral 31.37%
    Fresh 29.61%
    Gasoline 27.54%
    Fruity 26.24%
    Orange 24.44%
    Spicy 24.26%
    Waxy 23.57%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.1

    pKa est.
    9.43 (weak base)

    Molecular weight
    112.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    120°C

    Flash point

    • 10.55 ˚C est.

  • Synonyms

    • 2-METHYL-1-HEPTENE
    • 2-Methylhept-1-ene
    • 1-Heptene, 2-methyl-
    • 950L7O6RJA
    • EINECS 239-993-2
    • NSC 73949
    • NSC-73949
    • UNII-950L7O6RJA
    • DTXSID0074009
    • RCBGGJURENJHKV-UHFFFAOYSA-
    • RefChem:87992
    • 1-Heptene, 2-methyl-(8CI)
    • DTXCID6035106
    • 1-Heptene, 2-methyl-(8CI)(9CI)
    • InChI=1/C8H16/c1-4-5-6-7-8(2)3/h2,4-7H2,1,3H3
    • RCBGGJURENJHKV-UHFFFAOYSA-N
    • 15870-10-7
    • MFCD00009517
    • 2-methyl-hept-1-ene
    • NSC73949
    • SCHEMBL37578
    • SCHEMBL55800
    • 2-Methyl-1-heptene, 97%
    • SCHEMBL1015557
    • SCHEMBL2015946
    • SCHEMBL2404212
    • SCHEMBL4393421
    • SCHEMBL4469751
    • SCHEMBL5284319
    • SCHEMBL7683223
    • SCHEMBL8755291
    • SCHEMBL11747050
    • AKOS015912528
    • LS-11351
    • DB-043396
    • M0534
    • NS00025162
    • D91350
    • Q22131842
    • 15870-10-7

  • Applications

    2-Methyl-1-heptene is an alpha-olefin primarily used as a polymerization monomer in polyolefin production, where its short-branched structure helps tailor processing behavior and the physical properties of the resulting polymers. It also serves as a feedstock for hydroformylation to yield higher-carbon aldehydes, which can be further converted to alcohols or acids used as intermediates in lubricants, surfactants, and other chemical products. This branched C8 olefin can act as a building block for specialty polymers and coatings, with downstream functionalizations (e.g., halogenation, oxidation) to form reactive or crosslinkable intermediates for paints and adhesives. In R&D settings, 2-Methyl-1-heptene is often explored as a precursor to branched molecules with high value in chemical and materials industries. Its use is subject to local regulations and formulation constraints.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1694.64
    methanol 732.63
    isopropanol 1604.36
    water 0.06
    ethyl acetate 1389.93
    n-propanol 1497.17
    acetone 1174.19
    n-butanol 2058.58
    acetonitrile 767.66
    DMF 533.75
    toluene 926.42
    isobutanol 1135.13
    1,4-dioxane 2442.29
    methyl acetate 783.61
    THF 4728.75
    2-butanone 1212.04
    n-pentanol 1343.29
    sec-butanol 1680.78
    n-hexane 2218.58
    ethylene glycol 90.89
    NMP 511.31
    cyclohexane 2444.76
    DMSO 797.35
    n-butyl acetate 3937.29
    n-octanol 1144.21
    chloroform 2491.26
    n-propyl acetate 947.84
    acetic acid 521.21
    dichloromethane 1887.46
    cyclohexanone 1839.03
    propylene glycol 245.17
    isopropyl acetate 987.48
    DMAc 412.14
    2-ethoxyethanol 773.74
    isopentanol 1739.68
    n-heptane 4695.54
    ethyl formate 569.96
    1,2-dichloroethane 1195.0
    n-hexanol 4747.23
    2-methoxyethanol 1051.51
    isobutyl acetate 653.01
    tetrachloromethane 622.06
    n-pentyl acetate 983.34
    transcutol 2617.57
    n-heptanol 1227.13
    ethylbenzene 504.58
    MIBK 917.26
    2-propoxyethanol 2622.56
    tert-butanol 2202.11
    MTBE 2302.89
    2-butoxyethanol 987.38
    propionic acid 530.03
    o-xylene 468.13
    formic acid 56.02
    diethyl ether 2924.08
    m-xylene 605.37
    p-xylene 549.18
    chlorobenzene 696.96
    dimethyl carbonate 124.41
    n-octane 726.21
    formamide 71.54
    cyclopentanone 1452.53
    2-pentanone 1430.59
    anisole 569.73
    cyclopentyl methyl ether 2135.77
    gamma-butyrolactone 1076.75
    1-methoxy-2-propanol 1064.9
    pyridine 1540.39
    3-pentanone 790.98
    furfural 676.42
    n-dodecane 308.21
    diethylene glycol 658.9
    diisopropyl ether 1058.18
    tert-amyl alcohol 1684.2
    acetylacetone 754.53
    n-hexadecane 344.38
    acetophenone 361.21
    methyl propionate 619.78
    isopentyl acetate 2574.63
    trichloroethylene 1454.42
    n-nonanol 985.33
    cyclohexanol 1650.42
    benzyl alcohol 365.7
    2-ethylhexanol 3561.61
    isooctanol 892.18
    dipropyl ether 5229.89
    1,2-dichlorobenzene 461.79
    ethyl lactate 233.18
    propylene carbonate 711.15
    n-methylformamide 247.49
    2-pentanol 1628.65
    n-pentane 1802.98
    1-propoxy-2-propanol 2938.24
    1-methoxy-2-propyl acetate 1492.81
    2-(2-methoxypropoxy) propanol 675.27
    mesitylene 401.41
    ε-caprolactone 1414.62
    p-cymene 807.99
    epichlorohydrin 1489.85
    1,1,1-trichloroethane 1403.03
    2-aminoethanol 300.2
    morpholine-4-carbaldehyde 759.84
    sulfolane 836.51
    2,2,4-trimethylpentane 440.16
    2-methyltetrahydrofuran 3877.37
    n-hexyl acetate 1319.53
    isooctane 461.6
    2-(2-butoxyethoxy)ethanol 1048.88
    sec-butyl acetate 665.32
    tert-butyl acetate 968.8
    decalin 551.84
    glycerin 207.45
    diglyme 1795.52
    acrylic acid 252.81
    isopropyl myristate 556.82
    n-butyric acid 1454.44
    acetyl acetate 536.36
    di(2-ethylhexyl) phthalate 313.78
    ethyl propionate 694.42
    nitromethane 482.93
    1,2-diethoxyethane 2386.87
    benzonitrile 628.7
    trioctyl phosphate 309.33
    1-bromopropane 2274.29
    gamma-valerolactone 1340.87
    n-decanol 700.99
    triethyl phosphate 437.32
    4-methyl-2-pentanol 921.71
    propionitrile 958.56
    vinylene carbonate 463.05
    1,1,2-trichlorotrifluoroethane 604.57
    DMS 345.41
    cumene 331.25
    2-octanol 842.48
    2-hexanone 1231.25
    octyl acetate 643.83
    limonene 1751.5
    1,2-dimethoxyethane 1889.38
    ethyl orthosilicate 527.48
    tributyl phosphate 381.41
    diacetone alcohol 804.4
    N,N-dimethylaniline 365.47
    acrylonitrile 575.16
    aniline 692.84
    1,3-propanediol 573.37
    bromobenzene 830.58
    dibromomethane 1966.78
    1,1,2,2-tetrachloroethane 1320.94
    2-methyl-cyclohexyl acetate 1028.06
    tetrabutyl urea 473.21
    diisobutyl methanol 1539.26
    2-phenylethanol 871.97
    styrene 584.74
    dioctyl adipate 586.01
    dimethyl sulfate 124.93
    ethyl butyrate 2026.11
    methyl lactate 197.79
    butyl lactate 536.85
    diethyl carbonate 824.08
    propanediol butyl ether 593.52
    triethyl orthoformate 1302.45
    p-tert-butyltoluene 784.19
    methyl 4-tert-butylbenzoate 414.13
    morpholine 3009.34
    tert-butylamine 2086.89
    n-dodecanol 540.04
    dimethoxymethane 721.73
    ethylene carbonate 523.14
    cyrene 300.95
    2-ethoxyethyl acetate 791.83
    2-ethylhexyl acetate 2186.43
    1,2,4-trichlorobenzene 482.77
    4-methylpyridine 1368.21
    dibutyl ether 2670.32
    2,6-dimethyl-4-heptanol 1539.26
    DEF 962.51
    dimethyl isosorbide 973.02
    tetrachloroethylene 877.22
    eugenol 362.63
    triacetin 502.44
    span 80 846.58
    1,4-butanediol 201.47
    1,1-dichloroethane 1565.43
    2-methyl-1-pentanol 1115.49
    methyl formate 162.1
    2-methyl-1-butanol 1384.07
    n-decane 642.63
    butyronitrile 1877.6
    3,7-dimethyl-1-octanol 1243.74
    1-chlorooctane 1059.11
    1-chlorotetradecane 366.59
    n-nonane 773.7
    undecane 418.97
    tert-butylcyclohexane 542.27
    cyclooctane 890.34
    cyclopentanol 1344.24
    tetrahydropyran 4780.26
    tert-amyl methyl ether 1521.48
    2,5,8-trioxanonane 1046.45
    1-hexene 3154.0
    2-isopropoxyethanol 662.67
    2,2,2-trifluoroethanol 69.65
    methyl butyrate 968.83

    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