3,7-Dimethyloct-1-ene

Overview IFRA Request a quote

  • Identifiers

    CAS number
    4984-01-4

    Molecular formula
    C10H20

    SMILES
    CC(C)CCCC(C)C=C

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fragrance
    Herbal 73.57%
    Citrus 60.17%
    Woody 50.54%
    Fresh 46.1%
    Terpenic 40.59%
    Spicy 39.51%
    Pine 37.92%
    Lemon 36.06%
    Floral 35.96%
    Green 32.97%

     

    Flavor
    Citrus 29.74%
    Woody 23.2%
    Delicate 22.15%
    Fresh 21.43%
    Leathery 20.63%
    Glue 20.52%
    Diterpene 20.23%
    Low 20.22%
    Yeasty 20.18%
    Oriental 20.07%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.6

    pKa est.
    8.94 (weak base)

    Molecular weight
    140.27 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    152°C

    Flash point

    • 41.34 ˚C est.

  • Synonyms

    • 3,7-DIMETHYL-1-OCTENE
    • 3,7-Dimethyloct-1-ene
    • 4984-01-4
    • 2,6-Dimethyl-7-octene
    • 1-Octene, 3,7-dimethyl-
    • DTXSID30871109
    • EINECS 225-635-2
    • NSC 157589
    • Diisoamylene
    • (+/-)-3,7-Dimethyl-1-octene; 2,6-Dimethyl-7-octene; 3,7-Dimethyloct-1-ene; NSC 157589
    • 3,7-dimethyloctene
    • NSC157589
    • 1-Octene,7-dimethyl-
    • DTXCID80818781
    • AKOS025293916
    • NSC-157589
    • DB-262002
    • NS00045767
    • 3,7-Dimethyl-1-octene, >=97.0% (GC)
    • 225-635-2

  • Applications

    3,7-Dimethyloct-1-ene (CAS 4984-01-4) is used as an industrial intermediate in the synthesis of branched aliphatic specialty chemicals; it can function as a feedstock or comonomer in polyolefin production to tailor processing and material properties; it serves as a non-polar solvent or diluent in coatings, inks, and adhesive formulations; it is evaluated as a building block for cleaning formulations and other industrial formulations as a hydrocarbon solvent; and it can be used as a starting material for further chemical transformations in specialty chemical manufacturing.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2091.76
    methanol 863.27
    isopropanol 2256.17
    water 0.04
    ethyl acetate 2627.85
    n-propanol 2072.2
    acetone 1791.76
    n-butanol 3042.93
    acetonitrile 940.09
    DMF 717.18
    toluene 1762.65
    isobutanol 1691.8
    1,4-dioxane 4024.81
    methyl acetate 1315.0
    THF 7421.25
    2-butanone 2151.99
    n-pentanol 2045.39
    sec-butanol 2477.35
    n-hexane 5220.55
    ethylene glycol 73.15
    NMP 717.09
    cyclohexane 4842.76
    DMSO 934.39
    n-butyl acetate 6631.35
    n-octanol 1449.12
    chloroform 3242.65
    n-propyl acetate 1844.01
    acetic acid 513.62
    dichloromethane 2417.98
    cyclohexanone 2853.74
    propylene glycol 225.94
    isopropyl acetate 2128.07
    DMAc 659.22
    2-ethoxyethanol 1149.62
    isopentanol 2931.65
    n-heptane 7180.87
    ethyl formate 774.81
    1,2-dichloroethane 1976.56
    n-hexanol 5960.27
    2-methoxyethanol 1424.8
    isobutyl acetate 1300.95
    tetrachloromethane 1027.25
    n-pentyl acetate 1789.98
    transcutol 4399.99
    n-heptanol 1682.74
    ethylbenzene 998.88
    MIBK 1933.73
    2-propoxyethanol 3654.57
    tert-butanol 3547.7
    MTBE 5999.2
    2-butoxyethanol 1469.61
    propionic acid 601.97
    o-xylene 870.11
    formic acid 52.72
    diethyl ether 6853.51
    m-xylene 1165.67
    p-xylene 1044.02
    chlorobenzene 1137.49
    dimethyl carbonate 189.17
    n-octane 1246.32
    formamide 80.11
    cyclopentanone 2087.85
    2-pentanone 2687.34
    anisole 1122.34
    cyclopentyl methyl ether 3892.91
    gamma-butyrolactone 1435.74
    1-methoxy-2-propanol 1537.83
    pyridine 2205.79
    3-pentanone 1543.16
    furfural 869.73
    n-dodecane 489.72
    diethylene glycol 789.11
    diisopropyl ether 2882.78
    tert-amyl alcohol 3061.34
    acetylacetone 1383.8
    n-hexadecane 560.62
    acetophenone 615.41
    methyl propionate 1074.76
    isopentyl acetate 4734.7
    trichloroethylene 2087.84
    n-nonanol 1352.23
    cyclohexanol 2553.56
    benzyl alcohol 543.21
    2-ethylhexanol 5327.94
    isooctanol 1347.79
    dipropyl ether 9606.96
    1,2-dichlorobenzene 819.14
    ethyl lactate 344.61
    propylene carbonate 960.62
    n-methylformamide 309.56
    2-pentanol 2727.74
    n-pentane 3556.18
    1-propoxy-2-propanol 4068.2
    1-methoxy-2-propyl acetate 2483.77
    2-(2-methoxypropoxy) propanol 982.96
    mesitylene 858.52
    ε-caprolactone 2208.12
    p-cymene 1304.88
    epichlorohydrin 2339.12
    1,1,1-trichloroethane 2413.49
    2-aminoethanol 291.03
    morpholine-4-carbaldehyde 1106.36
    sulfolane 1129.86
    2,2,4-trimethylpentane 1124.69
    2-methyltetrahydrofuran 6673.36
    n-hexyl acetate 2214.91
    isooctane 1164.7
    2-(2-butoxyethoxy)ethanol 1517.63
    sec-butyl acetate 1504.24
    tert-butyl acetate 2343.95
    decalin 1322.87
    glycerin 203.32
    diglyme 2763.98
    acrylic acid 265.07
    isopropyl myristate 935.05
    n-butyric acid 1948.66
    acetyl acetate 928.93
    di(2-ethylhexyl) phthalate 438.21
    ethyl propionate 1358.7
    nitromethane 543.38
    1,2-diethoxyethane 4652.75
    benzonitrile 855.17
    trioctyl phosphate 457.13
    1-bromopropane 3892.58
    gamma-valerolactone 1937.42
    n-decanol 1011.53
    triethyl phosphate 756.05
    4-methyl-2-pentanol 1742.66
    propionitrile 1386.14
    vinylene carbonate 581.49
    1,1,2-trichlorotrifluoroethane 782.98
    DMS 525.31
    cumene 652.09
    2-octanol 1145.97
    2-hexanone 2430.38
    octyl acetate 1031.38
    limonene 2966.94
    1,2-dimethoxyethane 3183.72
    ethyl orthosilicate 1024.31
    tributyl phosphate 601.12
    diacetone alcohol 1463.92
    N,N-dimethylaniline 670.83
    acrylonitrile 775.72
    aniline 1190.1
    1,3-propanediol 708.36
    bromobenzene 1354.79
    dibromomethane 2674.37
    1,1,2,2-tetrachloroethane 2085.18
    2-methyl-cyclohexyl acetate 1812.29
    tetrabutyl urea 660.98
    diisobutyl methanol 2506.47
    2-phenylethanol 1313.8
    styrene 1115.4
    dioctyl adipate 838.74
    dimethyl sulfate 187.81
    ethyl butyrate 3694.23
    methyl lactate 251.98
    butyl lactate 757.78
    diethyl carbonate 1483.26
    propanediol butyl ether 733.83
    triethyl orthoformate 2544.09
    p-tert-butyltoluene 1359.83
    methyl 4-tert-butylbenzoate 642.69
    morpholine 4702.07
    tert-butylamine 3991.5
    n-dodecanol 791.5
    dimethoxymethane 1200.56
    ethylene carbonate 727.4
    cyrene 435.68
    2-ethoxyethyl acetate 1449.34
    2-ethylhexyl acetate 4170.18
    1,2,4-trichlorobenzene 798.82
    4-methylpyridine 2316.68
    dibutyl ether 4709.41
    2,6-dimethyl-4-heptanol 2506.47
    DEF 1780.62
    dimethyl isosorbide 1443.85
    tetrachloroethylene 1381.13
    eugenol 495.99
    triacetin 760.23
    span 80 1139.48
    1,4-butanediol 225.31
    1,1-dichloroethane 2589.98
    2-methyl-1-pentanol 1999.72
    methyl formate 193.63
    2-methyl-1-butanol 2390.36
    n-decane 1032.52
    butyronitrile 2721.03
    3,7-dimethyl-1-octanol 1853.87
    1-chlorooctane 1735.66
    1-chlorotetradecane 625.03
    n-nonane 1243.75
    undecane 680.22
    tert-butylcyclohexane 1239.11
    cyclooctane 1919.74
    cyclopentanol 1724.51
    tetrahydropyran 8093.63
    tert-amyl methyl ether 3797.35
    2,5,8-trioxanonane 1403.13
    1-hexene 6711.33
    2-isopropoxyethanol 1058.73
    2,2,2-trifluoroethanol 76.52
    methyl butyrate 1791.88

    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