6-Methyl-1,5-heptadiene

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  • Identifiers

    CAS number
    7270-50-0

    Molecular formula
    C8H14

    SMILES
    CC(=CCCC=C)C

    Safety labels

  • Odor profile

    Fragrance
    Herbal 64.71%
    Citrus 62.32%
    Gassy 45.6%
    Fresh 43.2%
    Floral 42.52%
    Lemon 42.44%
    Terpenic 42.17%
    Green 39.2%
    Woody 38.6%
    Pine 30.31%

     

    Flavor
    Citrus 64.65%
    Sweet 47.37%
    Green 36.13%
    Spicy 35.53%
    Woody 34.93%
    Herbal 33.33%
    Floral 32.62%
    Fresh 32.34%
    Wood 30.45%
    Orange 29.58%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.3

    pKa est.
    9.61 (weak base)

    Molecular weight
    110.2 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    117°C

    Flash point

    • 12.49 ˚C est.

  • Synonyms

    • 6-Methyl-1,5-heptadiene
    • 7270-50-0
    • DTXSID30223003
    • RefChem:104977
    • DTXCID90145494
    • KUFDSEQTHICIIF-UHFFFAOYSA-N
    • 6-methylhepta-1,5-diene
    • SODIUM BO-PROPOXIDE
    • 6-methyl-hepta-1,5-diene
    • SCHEMBL43185
    • SCHEMBL6131066
    • SCHEMBL6283056
    • SCHEMBL6907916
    • SCHEMBL7802696
    • AKOS006275104
    • DB-055667
    • 7270-50-0

  • Applications

    6-Methyl-1,5-heptadiene (CAS 7270-50-0) is typically used as an organic-synthesis intermediate and as a reactive diene building block in specialty polymer and resin chemistries. It is often evaluated as a co-monomer or crosslinking component for coating formulations and adhesive systems, enabling tailored curing behavior and mechanical properties. The compound also serves as a precursor in the synthesis of other fine chemicals in industrial manufacturing, providing access to specialty intermediates through catalytic or sequence transformations. In process chemistry, it may act as a reactive constituent in certain transformations or as a component in reaction media under controlled conditions. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 157.12
    methanol 66.38
    isopropanol 151.85
    water 0.03
    ethyl acetate 228.18
    n-propanol 159.93
    acetone 149.91
    n-butanol 224.5
    acetonitrile 89.44
    DMF 83.98
    toluene 218.43
    isobutanol 123.33
    1,4-dioxane 427.15
    methyl acetate 129.65
    THF 829.3
    2-butanone 190.66
    n-pentanol 157.91
    sec-butanol 195.48
    n-hexane 449.95
    ethylene glycol 12.43
    NMP 143.32
    cyclohexane 513.63
    DMSO 121.5
    n-butyl acetate 612.41
    n-octanol 210.03
    chloroform 429.16
    n-propyl acetate 156.02
    acetic acid 68.91
    dichloromethane 323.13
    cyclohexanone 334.54
    propylene glycol 34.78
    isopropyl acetate 163.49
    DMAc 111.08
    2-ethoxyethanol 106.75
    isopentanol 198.33
    n-heptane 988.41
    ethyl formate 74.51
    1,2-dichloroethane 209.99
    n-hexanol 606.34
    2-methoxyethanol 127.45
    isobutyl acetate 127.43
    tetrachloromethane 122.16
    n-pentyl acetate 182.21
    transcutol 521.59
    n-heptanol 201.84
    ethylbenzene 137.21
    MIBK 159.48
    2-propoxyethanol 376.34
    tert-butanol 240.93
    MTBE 329.84
    2-butoxyethanol 169.06
    propionic acid 72.25
    o-xylene 133.98
    formic acid 7.76
    diethyl ether 449.55
    m-xylene 155.17
    p-xylene 148.36
    chlorobenzene 155.94
    dimethyl carbonate 33.0
    n-octane 190.01
    formamide 11.07
    cyclopentanone 282.72
    2-pentanone 216.84
    anisole 152.28
    cyclopentyl methyl ether 428.24
    gamma-butyrolactone 208.91
    1-methoxy-2-propanol 152.36
    pyridine 268.88
    3-pentanone 162.53
    furfural 147.77
    n-dodecane 85.46
    diethylene glycol 108.05
    diisopropyl ether 193.57
    tert-amyl alcohol 231.35
    acetylacetone 142.73
    n-hexadecane 95.66
    acetophenone 109.94
    methyl propionate 119.38
    isopentyl acetate 433.83
    trichloroethylene 274.76
    n-nonanol 195.16
    cyclohexanol 249.95
    benzyl alcohol 80.69
    2-ethylhexanol 525.89
    isooctanol 159.26
    dipropyl ether 932.82
    1,2-dichlorobenzene 127.98
    ethyl lactate 55.33
    propylene carbonate 149.59
    n-methylformamide 31.94
    2-pentanol 198.65
    n-pentane 341.86
    1-propoxy-2-propanol 445.21
    1-methoxy-2-propyl acetate 286.67
    2-(2-methoxypropoxy) propanol 205.15
    mesitylene 110.37
    ε-caprolactone 261.58
    p-cymene 209.86
    epichlorohydrin 270.15
    1,1,1-trichloroethane 282.85
    2-aminoethanol 36.26
    morpholine-4-carbaldehyde 167.04
    sulfolane 211.11
    2,2,4-trimethylpentane 104.7
    2-methyltetrahydrofuran 697.6
    n-hexyl acetate 271.98
    isooctane 96.08
    2-(2-butoxyethoxy)ethanol 249.39
    sec-butyl acetate 133.22
    tert-butyl acetate 192.85
    decalin 154.6
    glycerin 33.41
    diglyme 392.0
    acrylic acid 40.09
    isopropyl myristate 163.25
    n-butyric acid 172.75
    acetyl acetate 111.46
    di(2-ethylhexyl) phthalate 104.85
    ethyl propionate 136.91
    nitromethane 72.86
    1,2-diethoxyethane 440.61
    benzonitrile 122.1
    trioctyl phosphate 89.68
    1-bromopropane 403.65
    gamma-valerolactone 242.44
    n-decanol 151.37
    triethyl phosphate 134.75
    4-methyl-2-pentanol 132.73
    propionitrile 126.58
    vinylene carbonate 93.29
    1,1,2-trichlorotrifluoroethane 119.83
    DMS 104.35
    cumene 100.1
    2-octanol 149.94
    2-hexanone 211.73
    octyl acetate 179.39
    limonene 416.5
    1,2-dimethoxyethane 286.0
    ethyl orthosilicate 154.84
    tributyl phosphate 112.1
    diacetone alcohol 161.94
    N,N-dimethylaniline 117.7
    acrylonitrile 82.1
    aniline 125.24
    1,3-propanediol 63.22
    bromobenzene 194.83
    dibromomethane 333.34
    1,1,2,2-tetrachloroethane 269.7
    2-methyl-cyclohexyl acetate 260.56
    tetrabutyl urea 138.0
    diisobutyl methanol 283.53
    2-phenylethanol 178.68
    styrene 147.35
    dioctyl adipate 180.97
    dimethyl sulfate 39.86
    ethyl butyrate 376.68
    methyl lactate 41.15
    butyl lactate 112.87
    diethyl carbonate 190.24
    propanediol butyl ether 116.35
    triethyl orthoformate 286.29
    p-tert-butyltoluene 207.08
    methyl 4-tert-butylbenzoate 150.66
    morpholine 445.52
    tert-butylamine 250.07
    n-dodecanol 129.11
    dimethoxymethane 122.47
    ethylene carbonate 98.44
    cyrene 107.0
    2-ethoxyethyl acetate 165.08
    2-ethylhexyl acetate 407.29
    1,2,4-trichlorobenzene 144.66
    4-methylpyridine 246.78
    dibutyl ether 510.04
    2,6-dimethyl-4-heptanol 283.53
    DEF 179.96
    dimethyl isosorbide 330.0
    tetrachloroethylene 170.18
    eugenol 120.42
    triacetin 160.66
    span 80 236.59
    1,4-butanediol 26.54
    1,1-dichloroethane 246.6
    2-methyl-1-pentanol 157.06
    methyl formate 23.15
    2-methyl-1-butanol 175.56
    n-decane 166.37
    butyronitrile 216.99
    3,7-dimethyl-1-octanol 238.19
    1-chlorooctane 250.34
    1-chlorotetradecane 108.29
    n-nonane 199.79
    undecane 112.52
    tert-butylcyclohexane 144.95
    cyclooctane 246.19
    cyclopentanol 201.65
    tetrahydropyran 746.6
    tert-amyl methyl ether 291.13
    2,5,8-trioxanonane 298.49
    1-hexene 552.33
    2-isopropoxyethanol 108.64
    2,2,2-trifluoroethanol 13.53
    methyl butyrate 170.22

    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