2-Methylhexadecanoic acid

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  • Identifiers

    CAS number
    27147-71-3

    Molecular formula
    C17H34O2

    SMILES
    CCCCCCCCCCCCCCC(C)C(=O)O

    Safety labels

  • Odor profile

    Fragrance
    Waxy 77.19%
    Fatty 74.61%
    Oily 46.21%
    Creamy 31.18%
    Dairy 30.26%
    Milky 28.73%
    Odorless 27.14%
    Meaty 26.02%
    Soapy 24.38%
    Citrus 23.96%

     

    Flavor
    Waxy 53.25%
    Fatty 52.72%
    Mild 38.43%
    Fat 35.32%
    Oily 34.18%
    Bland 31.79%
    Faint 30.49%
    Coconut 28.59%
    Soapy 27.38%
    Odorless 26.99%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    7.8

    pKa est.
    7.42 (neutral)

    Molecular weight
    270.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    353°C

    Flash point

    • 172.59 ˚C est.

  • Synonyms

    • 2-Methylhexadecanoic acid
    • 27147-71-3
    • 2-Methylpalmitic acid
    • 2-methyl-hexadecanoic acid
    • CHEBI:85057
    • DTXSID30885382
    • RefChem:88333
    • DTXCID901024765
    • 248-262-7
    • MFCD00142945
    • Hexadecanoic acid, 2-methyl-
    • 2-METHYLHEXADECANOICACID
    • alpha-methylpalmitic acid
    • EINECS 248-262-7
    • methylhexadecanoic acid
    • alpha-methylhexadecanoic acid
    • 2-Methylhexadecanoic acid #
    • Hexadecanoic acid,2-methyl-
    • SCHEMBL112453
    • SCHEMBL8885362
    • AXPAUZGVNGEWJD-UHFFFAOYSA-
    • LMFA01020092
    • XH1273
    • SY053977
    • CS-0205086
    • M1026
    • NS00050860
    • T72204
    • Q27158306
    • InChI=1/C17H34O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16(2)17(18)19/h16H,3-15H2,1-2H3,(H,18,19)
    • 27147-71-3

  • Applications

    2-Methylhexadecanoic acid (CAS 27147-71-3) is a branched fatty acid with 17 carbon atoms that serves as a building block and functional additive across several industries. It is commonly used as an intermediate for ester synthesis to produce surfactants, lubricant esters, and plasticizers; as a component or precursor in cosmetics and personal care formulations; as a base oil or additive in industrial lubricants and greases; in coatings and inks as a slip agent or hydrophobic modifier; and in cleaning formulations as a fatty-acid-derived surfactant or co-surfactant. The acid can also function as a raw material for polymer and plastics processing, for example as a modifier in polyesters or as a feedstock for specialty monomers, with use typically subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 267.66
    methanol 192.71
    isopropanol 417.51
    water 0.01
    ethyl acetate 650.39
    n-propanol 331.26
    acetone 370.6
    n-butanol 370.02
    acetonitrile 140.95
    DMF 677.68
    toluene 200.68
    isobutanol 342.02
    1,4-dioxane 561.12
    methyl acetate 356.14
    THF 1583.8
    2-butanone 613.47
    n-pentanol 307.79
    sec-butanol 418.77
    n-hexane 175.34
    ethylene glycol 8.47
    NMP 1001.39
    cyclohexane 350.41
    DMSO 657.38
    n-butyl acetate 921.96
    n-octanol 240.82
    chloroform 909.33
    n-propyl acetate 863.02
    acetic acid 136.81
    dichloromethane 917.72
    cyclohexanone 1431.12
    propylene glycol 45.28
    isopropyl acetate 679.47
    DMAc 875.45
    2-ethoxyethanol 438.06
    isopentanol 496.66
    n-heptane 118.31
    ethyl formate 257.86
    1,2-dichloroethane 831.79
    n-hexanol 317.07
    2-methoxyethanol 458.74
    isobutyl acetate 583.51
    tetrachloromethane 289.52
    n-pentyl acetate 936.06
    transcutol 1675.46
    n-heptanol 259.17
    ethylbenzene 188.69
    MIBK 653.38
    2-propoxyethanol 525.59
    tert-butanol 673.6
    MTBE 951.19
    2-butoxyethanol 533.11
    propionic acid 225.11
    o-xylene 202.4
    formic acid 22.18
    diethyl ether 633.48
    m-xylene 193.68
    p-xylene 281.32
    chlorobenzene 350.2
    dimethyl carbonate 99.61
    n-octane 53.08
    formamide 56.12
    cyclopentanone 1251.12
    2-pentanone 705.18
    anisole 363.86
    cyclopentyl methyl ether 958.0
    gamma-butyrolactone 1039.78
    1-methoxy-2-propanol 558.55
    pyridine 545.52
    3-pentanone 501.85
    furfural 651.78
    n-dodecane 24.78
    diethylene glycol 158.56
    diisopropyl ether 336.23
    tert-amyl alcohol 637.59
    acetylacetone 619.45
    n-hexadecane 30.67
    acetophenone 420.17
    methyl propionate 415.8
    isopentyl acetate 932.17
    trichloroethylene 1167.93
    n-nonanol 230.0
    cyclohexanol 586.22
    benzyl alcohol 226.36
    2-ethylhexanol 322.42
    isooctanol 289.58
    dipropyl ether 670.61
    1,2-dichlorobenzene 420.9
    ethyl lactate 226.66
    propylene carbonate 602.84
    n-methylformamide 209.78
    2-pentanol 391.18
    n-pentane 98.45
    1-propoxy-2-propanol 630.06
    1-methoxy-2-propyl acetate 675.19
    2-(2-methoxypropoxy) propanol 368.62
    mesitylene 171.63
    ε-caprolactone 1172.53
    p-cymene 169.42
    epichlorohydrin 1132.35
    1,1,1-trichloroethane 910.67
    2-aminoethanol 62.84
    morpholine-4-carbaldehyde 791.61
    sulfolane 1559.14
    2,2,4-trimethylpentane 80.58
    2-methyltetrahydrofuran 1267.88
    n-hexyl acetate 816.06
    isooctane 62.62
    2-(2-butoxyethoxy)ethanol 572.16
    sec-butyl acetate 721.58
    tert-butyl acetate 906.03
    decalin 127.04
    glycerin 60.64
    diglyme 1143.78
    acrylic acid 105.5
    isopropyl myristate 285.68
    n-butyric acid 619.76
    acetyl acetate 293.27
    di(2-ethylhexyl) phthalate 182.16
    ethyl propionate 649.05
    nitromethane 318.91
    1,2-diethoxyethane 917.12
    benzonitrile 302.11
    trioctyl phosphate 160.43
    1-bromopropane 645.52
    gamma-valerolactone 1453.98
    n-decanol 151.77
    triethyl phosphate 285.58
    4-methyl-2-pentanol 296.56
    propionitrile 252.48
    vinylene carbonate 395.15
    1,1,2-trichlorotrifluoroethane 594.59
    DMS 339.11
    cumene 159.64
    2-octanol 255.87
    2-hexanone 718.52
    octyl acetate 325.55
    limonene 328.79
    1,2-dimethoxyethane 971.17
    ethyl orthosilicate 304.72
    tributyl phosphate 214.95
    diacetone alcohol 711.58
    N,N-dimethylaniline 287.14
    acrylonitrile 197.03
    aniline 229.71
    1,3-propanediol 167.37
    bromobenzene 417.31
    dibromomethane 674.98
    1,1,2,2-tetrachloroethane 1269.85
    2-methyl-cyclohexyl acetate 570.54
    tetrabutyl urea 302.45
    diisobutyl methanol 249.68
    2-phenylethanol 247.76
    styrene 212.03
    dioctyl adipate 382.34
    dimethyl sulfate 236.66
    ethyl butyrate 749.52
    methyl lactate 153.87
    butyl lactate 496.18
    diethyl carbonate 345.02
    propanediol butyl ether 357.02
    triethyl orthoformate 538.69
    p-tert-butyltoluene 169.88
    methyl 4-tert-butylbenzoate 462.59
    morpholine 949.02
    tert-butylamine 492.75
    n-dodecanol 106.62
    dimethoxymethane 421.89
    ethylene carbonate 406.99
    cyrene 343.56
    2-ethoxyethyl acetate 763.71
    2-ethylhexyl acetate 785.06
    1,2,4-trichlorobenzene 477.39
    4-methylpyridine 609.52
    dibutyl ether 655.48
    2,6-dimethyl-4-heptanol 249.68
    DEF 869.62
    dimethyl isosorbide 778.41
    tetrachloroethylene 770.37
    eugenol 350.72
    triacetin 579.08
    span 80 380.75
    1,4-butanediol 70.89
    1,1-dichloroethane 731.61
    2-methyl-1-pentanol 354.4
    methyl formate 109.42
    2-methyl-1-butanol 402.51
    n-decane 61.47
    butyronitrile 391.64
    3,7-dimethyl-1-octanol 292.21
    1-chlorooctane 285.43
    1-chlorotetradecane 83.43
    n-nonane 64.74
    undecane 36.14
    tert-butylcyclohexane 114.24
    cyclooctane 89.67
    cyclopentanol 525.62
    tetrahydropyran 1228.93
    tert-amyl methyl ether 705.27
    2,5,8-trioxanonane 620.6
    1-hexene 388.96
    2-isopropoxyethanol 436.35
    2,2,2-trifluoroethanol 58.47
    methyl butyrate 920.8

    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