15-Methylheptadecanoic acid

Overview IFRA Request a quote

  • Identifiers

    CAS number
    29709-08-8

    Molecular formula
    C18H36O2

    SMILES
    CCC(C)CCCCCCCCCCCCCC(=O)O

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Waxy 80.31%
    Fatty 73.16%
    Oily 39.77%
    Odorless 29.6%
    Creamy 26.48%
    Dairy 23.46%
    Milky 23.16%
    Meaty 23.16%
    Savory 21.64%
    Soapy 20.72%

     

    Flavor
    Fatty 56.27%
    Waxy 50.64%
    Mild 38.16%
    Fat 36.47%
    Faint 32.23%
    Bland 31.86%
    Oily 31.36%
    Coconut 30.13%
    Odorless 29.82%
    Slightly waxy 26.54%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    7.9

    pKa est.
    7.37 (neutral)

    Molecular weight
    284.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    364°C

    Flash point

    • 181.92 ˚C est.

  • Synonyms

    • 15-methylheptadecanoic acid
    • 29709-08-8
    • Heptadecanoic acid, 15-methyl-
    • Anteiso-c18:0
    • Anteisostearic acid
    • Anteisooctadecanoic acid
    • 0D5FBE96NO
    • DTXSID001317494
    • RefChem:437489
    • DTXCID501747305
    • 636-907-9
    • 15-methyl-heptadecanoic acid
    • UNII-0D5FBE96NO
    • 15-METHYLHEPTADECANOICACID
    • SCHEMBL232386
    • SCHEMBL8811181
    • CHEBI:196220
    • LMFA01020205
    • MFCD00214324
    • HY-W970428
    • Q27236635
    • 29709-08-8

  • Applications

    15-Methylheptadecanoic acid (CAS 29709-08-8) is a branched C18 saturated fatty acid. In industry, it is used as a building block and precursor for ester derivatives intended for cosmetics and personal care; serves as a precursor for surfactants and detergent formulations; employed as a lubricant and processing aid in industrial manufacturing; used as a plasticizer or plasticizer precursor for polymers; and acts as a starting material for coatings and inks formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 134.32
    methanol 82.8
    isopropanol 172.44
    water 0.01
    ethyl acetate 230.33
    n-propanol 138.24
    acetone 140.76
    n-butanol 158.93
    acetonitrile 38.66
    DMF 238.28
    toluene 70.54
    isobutanol 137.53
    1,4-dioxane 243.98
    methyl acetate 117.46
    THF 892.02
    2-butanone 225.0
    n-pentanol 137.12
    sec-butanol 162.93
    n-hexane 49.87
    ethylene glycol 3.62
    NMP 442.03
    cyclohexane 99.73
    DMSO 349.34
    n-butyl acetate 393.03
    n-octanol 101.83
    chloroform 345.29
    n-propyl acetate 348.8
    acetic acid 54.91
    dichloromethane 337.41
    cyclohexanone 580.23
    propylene glycol 22.23
    isopropyl acetate 286.72
    DMAc 394.04
    2-ethoxyethanol 222.61
    isopentanol 215.89
    n-heptane 38.22
    ethyl formate 86.23
    1,2-dichloroethane 314.55
    n-hexanol 151.48
    2-methoxyethanol 225.17
    isobutyl acetate 266.11
    tetrachloromethane 97.19
    n-pentyl acetate 393.82
    transcutol 1031.62
    n-heptanol 110.97
    ethylbenzene 72.53
    MIBK 318.08
    2-propoxyethanol 288.56
    tert-butanol 296.34
    MTBE 397.88
    2-butoxyethanol 269.61
    propionic acid 79.62
    o-xylene 74.43
    formic acid 8.99
    diethyl ether 224.59
    m-xylene 75.44
    p-xylene 100.13
    chlorobenzene 122.21
    dimethyl carbonate 33.84
    n-octane 16.28
    formamide 19.84
    cyclopentanone 547.89
    2-pentanone 285.56
    anisole 165.08
    cyclopentyl methyl ether 442.49
    gamma-butyrolactone 442.19
    1-methoxy-2-propanol 305.01
    pyridine 198.42
    3-pentanone 176.63
    furfural 283.22
    n-dodecane 8.77
    diethylene glycol 87.27
    diisopropyl ether 133.23
    tert-amyl alcohol 270.06
    acetylacetone 284.75
    n-hexadecane 10.83
    acetophenone 196.89
    methyl propionate 145.07
    isopentyl acetate 438.92
    trichloroethylene 444.65
    n-nonanol 103.97
    cyclohexanol 229.55
    benzyl alcohol 103.18
    2-ethylhexanol 148.73
    isooctanol 130.93
    dipropyl ether 293.39
    1,2-dichlorobenzene 155.35
    ethyl lactate 103.3
    propylene carbonate 254.17
    n-methylformamide 67.37
    2-pentanol 150.13
    n-pentane 26.24
    1-propoxy-2-propanol 342.56
    1-methoxy-2-propyl acetate 356.29
    2-(2-methoxypropoxy) propanol 229.61
    mesitylene 68.59
    ε-caprolactone 489.36
    p-cymene 72.03
    epichlorohydrin 527.61
    1,1,1-trichloroethane 328.51
    2-aminoethanol 28.65
    morpholine-4-carbaldehyde 363.58
    sulfolane 793.16
    2,2,4-trimethylpentane 28.93
    2-methyltetrahydrofuran 613.47
    n-hexyl acetate 365.54
    isooctane 22.73
    2-(2-butoxyethoxy)ethanol 334.93
    sec-butyl acetate 315.75
    tert-butyl acetate 448.71
    decalin 45.86
    glycerin 31.48
    diglyme 656.57
    acrylic acid 35.25
    isopropyl myristate 136.18
    n-butyric acid 252.9
    acetyl acetate 111.65
    di(2-ethylhexyl) phthalate 92.39
    ethyl propionate 255.8
    nitromethane 118.97
    1,2-diethoxyethane 465.75
    benzonitrile 111.33
    trioctyl phosphate 76.85
    1-bromopropane 235.38
    gamma-valerolactone 703.26
    n-decanol 69.39
    triethyl phosphate 140.26
    4-methyl-2-pentanol 129.03
    propionitrile 66.8
    vinylene carbonate 146.91
    1,1,2-trichlorotrifluoroethane 293.06
    DMS 137.54
    cumene 65.83
    2-octanol 101.13
    2-hexanone 323.98
    octyl acetate 150.81
    limonene 140.82
    1,2-dimethoxyethane 491.84
    ethyl orthosilicate 152.43
    tributyl phosphate 105.38
    diacetone alcohol 387.15
    N,N-dimethylaniline 133.67
    acrylonitrile 53.62
    aniline 84.11
    1,3-propanediol 82.16
    bromobenzene 140.94
    dibromomethane 249.31
    1,1,2,2-tetrachloroethane 505.42
    2-methyl-cyclohexyl acetate 299.42
    tetrabutyl urea 153.18
    diisobutyl methanol 115.82
    2-phenylethanol 125.88
    styrene 77.63
    dioctyl adipate 201.73
    dimethyl sulfate 96.73
    ethyl butyrate 344.11
    methyl lactate 67.27
    butyl lactate 234.42
    diethyl carbonate 145.51
    propanediol butyl ether 190.8
    triethyl orthoformate 270.08
    p-tert-butyltoluene 75.66
    methyl 4-tert-butylbenzoate 239.43
    morpholine 439.9
    tert-butylamine 206.95
    n-dodecanol 47.77
    dimethoxymethane 183.57
    ethylene carbonate 150.94
    cyrene 207.49
    2-ethoxyethyl acetate 354.54
    2-ethylhexyl acetate 347.48
    1,2,4-trichlorobenzene 185.57
    4-methylpyridine 224.58
    dibutyl ether 282.22
    2,6-dimethyl-4-heptanol 115.82
    DEF 318.93
    dimethyl isosorbide 488.82
    tetrachloroethylene 288.35
    eugenol 185.24
    triacetin 298.87
    span 80 221.05
    1,4-butanediol 30.55
    1,1-dichloroethane 262.15
    2-methyl-1-pentanol 166.29
    methyl formate 36.0
    2-methyl-1-butanol 169.0
    n-decane 21.83
    butyronitrile 123.01
    3,7-dimethyl-1-octanol 140.88
    1-chlorooctane 110.52
    1-chlorotetradecane 31.8
    n-nonane 21.69
    undecane 12.96
    tert-butylcyclohexane 43.14
    cyclooctane 26.49
    cyclopentanol 220.75
    tetrahydropyran 501.92
    tert-amyl methyl ether 296.99
    2,5,8-trioxanonane 372.74
    1-hexene 135.12
    2-isopropoxyethanol 223.7
    2,2,2-trifluoroethanol 21.48
    methyl butyrate 364.42

    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