4-Methyloctadecane

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  • Identifiers

    CAS number
    10544-95-3

    Molecular formula
    C19H40

    SMILES
    CCCCCCCCCCCCCCC(C)CCC

    Safety labels

  • Odor profile

    Fragrance
    Waxy 80.52%
    Fatty 34.77%
    Oily 33.88%
    Odorless 21.69%
    Sweet 20.7%
    Fishy 19.5%
    Gassy 19.06%
    Meaty 17.51%
    Burnt 15.47%
    Savory 14.97%

     

    Flavor
    Alkane 59.98%
    Waxy 44.54%
    Bland 24.84%
    Mild 23.46%
    Delicate 22.47%
    Slightly waxy 21.86%
    Incense 20.51%
    Citrus peel 20.41%
    Grapefruit peel 20.01%
    Diterpene 19.72%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    10.2

    pKa est.
    8.32 (weak base)

    Molecular weight
    268.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    325°C

    Flash point

    • 145.92 ˚C est.

  • Synonyms

    • 4-Methyloctadecane
    • 10544-95-3
    • DTXSID50909534
    • RefChem:1071177
    • DTXCID901338596
    • Octadecane, 4-methyl-
    • 4-Methyloctadecan
    • 4-methyl-octadecane
    • 4-Methyloctadecane #
    • Hexadecane, 2-propyl
    • SCHEMBL99895
    • SCHEMBL103499
    • SCHEMBL5986116
    • SCHEMBL6762035
    • SCHEMBL14484285
    • SCHEMBL26632352
    • 10544-95-3

  • Applications

    4-Methyloctadecane (CAS 10544-95-3) is a long-chain paraffin hydrocarbon used as a nonpolar solvent/diluent in industrial coatings, inks, and adhesives; it serves as a base oil or lubricant stock in industrial lubricants and machinery fluids; it functions as an emollient carrier and fragrance vehicle in cosmetics and personal care products; it can act as a processing aid or wax component in polymers and plastics to improve processing and slip; and it is employed as a cleaning solvent in certain industrial cleaning formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 306.68
    methanol 96.43
    isopropanol 555.83
    water 0.0
    ethyl acetate 3465.37
    n-propanol 553.44
    acetone 1942.8
    n-butanol 969.47
    acetonitrile 359.91
    DMF 881.03
    toluene 2194.29
    isobutanol 682.52
    1,4-dioxane 3574.44
    methyl acetate 1352.22
    THF 8788.82
    2-butanone 2456.16
    n-pentanol 680.05
    sec-butanol 922.75
    n-hexane 3375.13
    ethylene glycol 7.47
    NMP 1922.6
    cyclohexane 9918.02
    DMSO 1125.86
    n-butyl acetate 7863.84
    n-octanol 921.82
    chloroform 4003.28
    n-propyl acetate 3304.67
    acetic acid 209.1
    dichloromethane 4020.53
    cyclohexanone 6579.78
    propylene glycol 36.04
    isopropyl acetate 3787.81
    DMAc 1426.13
    2-ethoxyethanol 591.85
    isopentanol 1501.09
    n-heptane 7542.44
    ethyl formate 716.33
    1,2-dichloroethane 3773.57
    n-hexanol 1623.09
    2-methoxyethanol 596.11
    isobutyl acetate 2764.35
    tetrachloromethane 1763.94
    n-pentyl acetate 3886.78
    transcutol 4169.55
    n-heptanol 976.73
    ethylbenzene 1325.87
    MIBK 3284.45
    2-propoxyethanol 1478.36
    tert-butanol 1599.51
    MTBE 5338.91
    2-butoxyethanol 1182.48
    propionic acid 353.81
    o-xylene 1559.7
    formic acid 9.17
    diethyl ether 5519.36
    m-xylene 1555.35
    p-xylene 1816.57
    chlorobenzene 1834.06
    dimethyl carbonate 351.42
    n-octane 1602.03
    formamide 24.46
    cyclopentanone 4738.04
    2-pentanone 3846.72
    anisole 1717.41
    cyclopentyl methyl ether 7089.68
    gamma-butyrolactone 2985.87
    1-methoxy-2-propanol 866.43
    pyridine 2475.23
    3-pentanone 3083.76
    furfural 1422.67
    n-dodecane 480.05
    diethylene glycol 242.13
    diisopropyl ether 3755.25
    tert-amyl alcohol 1763.18
    acetylacetone 2758.24
    n-hexadecane 603.1
    acetophenone 1490.94
    methyl propionate 1655.16
    isopentyl acetate 7514.53
    trichloroethylene 4211.72
    n-nonanol 1028.3
    cyclohexanol 2489.72
    benzyl alcohol 528.13
    2-ethylhexanol 2962.5
    isooctanol 1268.9
    dipropyl ether 12646.83
    1,2-dichlorobenzene 1904.2
    ethyl lactate 519.52
    propylene carbonate 1921.39
    n-methylformamide 187.72
    2-pentanol 1324.12
    n-pentane 2265.6
    1-propoxy-2-propanol 2680.69
    1-methoxy-2-propyl acetate 3842.19
    2-(2-methoxypropoxy) propanol 1094.15
    mesitylene 1456.01
    ε-caprolactone 4310.62
    p-cymene 2073.42
    epichlorohydrin 3696.54
    1,1,1-trichloroethane 5546.13
    2-aminoethanol 44.58
    morpholine-4-carbaldehyde 1656.69
    sulfolane 3554.9
    2,2,4-trimethylpentane 1124.03
    2-methyltetrahydrofuran 8156.96
    n-hexyl acetate 3442.83
    isooctane 999.33
    2-(2-butoxyethoxy)ethanol 1454.23
    sec-butyl acetate 3379.13
    tert-butyl acetate 5353.1
    decalin 2085.23
    glycerin 48.15
    diglyme 3889.68
    acrylic acid 147.2
    isopropyl myristate 1944.16
    n-butyric acid 1457.32
    acetyl acetate 1642.61
    di(2-ethylhexyl) phthalate 646.39
    ethyl propionate 3073.0
    nitromethane 504.49
    1,2-diethoxyethane 6712.35
    benzonitrile 952.66
    trioctyl phosphate 701.3
    1-bromopropane 5001.79
    gamma-valerolactone 3629.48
    n-decanol 738.48
    triethyl phosphate 2049.12
    4-methyl-2-pentanol 1156.18
    propionitrile 772.0
    vinylene carbonate 999.36
    1,1,2-trichlorotrifluoroethane 1208.96
    DMS 1203.33
    cumene 1050.03
    2-octanol 1010.6
    2-hexanone 3191.08
    octyl acetate 1728.74
    limonene 4846.14
    1,2-dimethoxyethane 3296.29
    ethyl orthosilicate 2463.09
    tributyl phosphate 978.97
    diacetone alcohol 2308.15
    N,N-dimethylaniline 1371.1
    acrylonitrile 431.46
    aniline 1081.29
    1,3-propanediol 178.83
    bromobenzene 2710.62
    dibromomethane 3676.76
    1,1,2,2-tetrachloroethane 4669.14
    2-methyl-cyclohexyl acetate 3669.3
    tetrabutyl urea 1424.35
    diisobutyl methanol 2928.3
    2-phenylethanol 875.81
    styrene 1435.01
    dioctyl adipate 1859.37
    dimethyl sulfate 594.73
    ethyl butyrate 7344.64
    methyl lactate 290.63
    butyl lactate 1310.56
    diethyl carbonate 3219.78
    propanediol butyl ether 509.39
    triethyl orthoformate 5544.39
    p-tert-butyltoluene 2101.85
    methyl 4-tert-butylbenzoate 1675.8
    morpholine 3859.28
    tert-butylamine 1869.3
    n-dodecanol 612.59
    dimethoxymethane 1389.78
    ethylene carbonate 1315.12
    cyrene 679.63
    2-ethoxyethyl acetate 2722.46
    2-ethylhexyl acetate 6986.52
    1,2,4-trichlorobenzene 1938.51
    4-methylpyridine 2672.15
    dibutyl ether 7301.44
    2,6-dimethyl-4-heptanol 2928.3
    DEF 3368.43
    dimethyl isosorbide 2545.18
    tetrachloroethylene 2671.31
    eugenol 842.34
    triacetin 1998.09
    span 80 1088.23
    1,4-butanediol 63.13
    1,1-dichloroethane 3770.53
    2-methyl-1-pentanol 1075.23
    methyl formate 159.71
    2-methyl-1-butanol 1189.34
    n-decane 1207.26
    butyronitrile 1492.79
    3,7-dimethyl-1-octanol 1747.54
    1-chlorooctane 2542.25
    1-chlorotetradecane 858.5
    n-nonane 1437.62
    undecane 699.85
    tert-butylcyclohexane 1679.31
    cyclooctane 3383.15
    cyclopentanol 1676.1
    tetrahydropyran 9744.74
    tert-amyl methyl ether 4173.63
    2,5,8-trioxanonane 2027.63
    1-hexene 3751.36
    2-isopropoxyethanol 765.33
    2,2,2-trifluoroethanol 67.56
    methyl butyrate 3678.72

    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