2-Methylhexacosane

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  • Identifiers

    CAS number
    1561-02-0

    Molecular formula
    C27H56

    SMILES
    CCCCCCCCCCCCCCCCCCCCCCCCC(C)C

    Safety labels

  • Odor profile

    Fragrance
    Waxy 85.33%
    Fatty 38.96%
    Oily 31.73%
    Odorless 24.45%
    Fishy 18.68%
    Meaty 15.66%
    Savory 14.35%
    Burnt 13.2%
    Sweet 12.73%
    Animal 12.23%

     

    Flavor
    Alkane 56.44%
    Waxy 47.31%
    Bland 28.01%
    Mild 24.6%
    Delicate 21.31%
    Slightly waxy 21.3%
    Incense 19.3%
    Citrus peel 19.16%
    Bay oil 18.93%
    Beer 18.9%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    14.6

    pKa est.
    9.55 (weak base)

    Molecular weight
    380.7 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    442°C

    Melting point expt.

    • 49 - 50.5 °C

    Flash point

    • 209.08 ˚C est.

  • Synonyms

    • 2-Methylhexacosane
    • Hexacosane, 2-methyl-
    • 1561-02-0
    • H75543DI44
    • DTXSID50166044
    • RefChem:88331
    • DTXCID6088535
    • Pentacosane, dimethyl-
    • Isoheptacosane
    • UNII-H75543DI44
    • 2-Methyl-Hexacosane
    • 2-Methyl-n-hexacosane
    • starbld0006105
    • Hexacosane, 2-?methyl-
    • SCHEMBL235652
    • orb1692542
    • SCHEMBL2200489
    • SCHEMBL3139708
    • SCHEMBL5301471
    • SCHEMBL5985062
    • SCHEMBL6365557
    • CHEBI:233573
    • LMFA11000345
    • MFCD30533845
    • AKOS028111317
    • HY-W673589
    • AS-79827
    • PD143571
    • CS-0757107
    • G83035
    • Q27279720
    • 4-([4-(Bromomethyl)-4,5-dihydro-1,3-thiazol-2-yl]amino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
    • 1561-02-0

  • Applications

    2-Methylhexacosane (CAS 1561-02-0) is a branched, long-chain aliphatic hydrocarbon commonly present in paraffin/mineral oil fractions. In industrial contexts, it may be used as a nonpolar solvent or diluent and as a processing aid; as a lubricant base stock and additive for metalworking and machinery; as a processing aid in polymer and plastics manufacturing; as a wax-like component or extender in coatings and inks; and as a carrier or hydrocarbon solvent in cosmetics and personal care products. Its use is subject to local regulations and formulation requirements.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 5.91
    methanol 2.83
    isopropanol 10.92
    water 0.01
    ethyl acetate 196.6
    n-propanol 14.49
    acetone 71.24
    n-butanol 26.91
    acetonitrile 11.21
    DMF 65.63
    toluene 125.27
    isobutanol 22.97
    1,4-dioxane 211.69
    methyl acetate 81.6
    THF 666.29
    2-butanone 132.46
    n-pentanol 23.7
    sec-butanol 29.01
    n-hexane 98.03
    ethylene glycol 0.38
    NMP 364.71
    cyclohexane 512.45
    DMSO 95.97
    n-butyl acetate 446.74
    n-octanol 69.57
    chloroform 486.58
    n-propyl acetate 261.82
    acetic acid 16.89
    dichloromethane 433.64
    cyclohexanone 569.85
    propylene glycol 1.75
    isopropyl acetate 289.72
    DMAc 214.83
    2-ethoxyethanol 37.17
    isopentanol 48.83
    n-heptane 312.25
    ethyl formate 46.54
    1,2-dichloroethane 308.41
    n-hexanol 45.88
    2-methoxyethanol 30.09
    isobutyl acetate 256.26
    tetrachloromethane 213.66
    n-pentyl acetate 489.28
    transcutol 418.7
    n-heptanol 60.1
    ethylbenzene 103.97
    MIBK 247.46
    2-propoxyethanol 74.6
    tert-butanol 46.14
    MTBE 215.64
    2-butoxyethanol 105.49
    propionic acid 26.98
    o-xylene 140.8
    formic acid 1.46
    diethyl ether 149.99
    m-xylene 117.37
    p-xylene 158.86
    chlorobenzene 176.35
    dimethyl carbonate 42.36
    n-octane 96.12
    formamide 3.11
    cyclopentanone 511.09
    2-pentanone 191.21
    anisole 171.34
    cyclopentyl methyl ether 593.25
    gamma-butyrolactone 376.88
    1-methoxy-2-propanol 50.74
    pyridine 167.0
    3-pentanone 214.71
    furfural 195.81
    n-dodecane 33.94
    diethylene glycol 14.3
    diisopropyl ether 198.82
    tert-amyl alcohol 80.0
    acetylacetone 266.36
    n-hexadecane 44.06
    acetophenone 204.47
    methyl propionate 128.52
    isopentyl acetate 542.57
    trichloroethylene 510.79
    n-nonanol 87.89
    cyclohexanol 125.71
    benzyl alcohol 44.82
    2-ethylhexanol 136.44
    isooctanol 92.65
    dipropyl ether 678.03
    1,2-dichlorobenzene 250.92
    ethyl lactate 65.42
    propylene carbonate 276.97
    n-methylformamide 12.85
    2-pentanol 42.45
    n-pentane 55.48
    1-propoxy-2-propanol 168.95
    1-methoxy-2-propyl acetate 388.51
    2-(2-methoxypropoxy) propanol 153.41
    mesitylene 132.27
    ε-caprolactone 491.01
    p-cymene 217.03
    epichlorohydrin 373.59
    1,1,1-trichloroethane 619.02
    2-aminoethanol 2.04
    morpholine-4-carbaldehyde 217.47
    sulfolane 683.29
    2,2,4-trimethylpentane 79.18
    2-methyltetrahydrofuran 589.9
    n-hexyl acetate 412.21
    isooctane 52.59
    2-(2-butoxyethoxy)ethanol 165.4
    sec-butyl acetate 332.39
    tert-butyl acetate 557.82
    decalin 174.66
    glycerin 3.75
    diglyme 548.33
    acrylic acid 14.7
    isopropyl myristate 251.06
    n-butyric acid 96.42
    acetyl acetate 161.29
    di(2-ethylhexyl) phthalate 94.61
    ethyl propionate 279.41
    nitromethane 45.54
    1,2-diethoxyethane 485.99
    benzonitrile 71.16
    trioctyl phosphate 88.45
    1-bromopropane 282.63
    gamma-valerolactone 444.87
    n-decanol 59.56
    triethyl phosphate 361.22
    4-methyl-2-pentanol 52.7
    propionitrile 26.47
    vinylene carbonate 151.28
    1,1,2-trichlorotrifluoroethane 178.29
    DMS 175.84
    cumene 99.47
    2-octanol 71.59
    2-hexanone 224.51
    octyl acetate 212.89
    limonene 474.04
    1,2-dimethoxyethane 235.21
    ethyl orthosilicate 405.29
    tributyl phosphate 133.2
    diacetone alcohol 225.52
    N,N-dimethylaniline 162.85
    acrylonitrile 19.41
    aniline 69.35
    1,3-propanediol 7.86
    bromobenzene 277.21
    dibromomethane 331.14
    1,1,2,2-tetrachloroethane 607.49
    2-methyl-cyclohexyl acetate 520.52
    tetrabutyl urea 208.5
    diisobutyl methanol 195.31
    2-phenylethanol 62.97
    styrene 107.19
    dioctyl adipate 306.41
    dimethyl sulfate 114.85
    ethyl butyrate 670.61
    methyl lactate 33.09
    butyl lactate 187.31
    diethyl carbonate 336.57
    propanediol butyl ether 52.63
    triethyl orthoformate 670.35
    p-tert-butyltoluene 217.75
    methyl 4-tert-butylbenzoate 328.23
    morpholine 209.58
    tert-butylamine 48.14
    n-dodecanol 46.77
    dimethoxymethane 94.65
    ethylene carbonate 166.66
    cyrene 140.56
    2-ethoxyethyl acetate 367.48
    2-ethylhexyl acetate 570.09
    1,2,4-trichlorobenzene 285.99
    4-methylpyridine 187.44
    dibutyl ether 554.36
    2,6-dimethyl-4-heptanol 195.31
    DEF 257.83
    dimethyl isosorbide 517.74
    tetrachloroethylene 344.54
    eugenol 139.98
    triacetin 391.12
    span 80 148.13
    1,4-butanediol 3.39
    1,1-dichloroethane 280.15
    2-methyl-1-pentanol 48.68
    methyl formate 13.87
    2-methyl-1-butanol 44.42
    n-decane 91.44
    butyronitrile 48.78
    3,7-dimethyl-1-octanol 135.69
    1-chlorooctane 236.72
    1-chlorotetradecane 79.22
    n-nonane 96.36
    undecane 50.77
    tert-butylcyclohexane 129.21
    cyclooctane 205.46
    cyclopentanol 98.9
    tetrahydropyran 477.67
    tert-amyl methyl ether 291.06
    2,5,8-trioxanonane 303.41
    1-hexene 112.12
    2-isopropoxyethanol 54.29
    2,2,2-trifluoroethanol 11.13
    methyl butyrate 325.29

    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