Palmitoyl Ethyltrimonium Methosulfate

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  • Identifiers

    CAS number
    116246-03-8

    Molecular formula
    C22H47NO6S

    SMILES
    CCCCCCCCCCCCCCCC(=O)OCC[N+](C)(C)C.COS(=O)(=O)[O-]

    Safety labels

  • Odor profile

    Fragrance
    Waxy 70.72%
    Fatty 63.15%
    Oily 56.03%
    Creamy 30.83%
    Odorless 30.37%
    Sweet 27.75%
    Floral 25.8%
    Fruity 25.72%
    Soapy 23.89%
    Dairy 22.35%

     

    Flavor
    Oily 42.21%
    Waxy 41.47%
    Mild 40.25%
    Bland 34.12%
    Fatty 31.58%
    Faint 25.89%
    Slightly waxy 23.97%
    Soapy 23.82%
    Fat 23.52%
    Beer 23.33%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    6.74 (neutral)

    Molecular weight
    453.7 g/mol

    Flash point

    • 31.33 ˚C est.

  • Synonyms

    • Surfactive V 16
    • Palmitoyl ethyltrimonium methosulfate
    • UNII-X6LO77A67D
    • X6LO77A67D
    • 116246-03-8
    • Palmitoyl ethyltrimonium methosulfate [INCI]
    • Ethanaminium, N,N,N-trimethyl-2-((1-oxohexadecyl)oxy)-, methyl sulfate
    • Ethanaminium, N,N,N-trimethyl-2-((1-oxohexadecyl)oxy)-, methyl sulfate (1:1)
    • DTXSID00151324
    • RefChem:169736
    • DTXCID6073815
    • Q27293612
    • 2-(Hexadecanoyloxy)-N,N,N-trimethylethan-1-aminium methyl sulfate
    • 116246-03-8

  • Applications

    Palmitoyl Ethyltrimonium Methosulfate is a quaternary ammonium salt used primarily as a conditioning surfactant in cosmetic and personal-care formulations, providing softening and improved detangling and glide for hair, as well as a soft feel on the skin in products such as shampoos, conditioners, and moisturizers. It is also applied in fabric-care products as a cationic surfactant to impart fabric conditioning and antistatic properties during laundry and textile finishing. In formulation science, it can serve as a surface-active modifier or emulsifier in polymer and coating systems, aiding control of wetting, dispersion, and rheology. Additionally, it may be employed as a functional additive in cleaning formulations (household and industrial) to improve detergency and conditioning within regulatory limits. Depending on formulation goals, it may be used as an intermediate or building block in specialty cosmetic and chemical syntheses, subject to local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 279.97
    methanol 300.37
    isopropanol 302.54
    water 0.66
    ethyl acetate 1122.42
    n-propanol 370.56
    acetone 676.22
    n-butanol 442.56
    acetonitrile 311.34
    DMF 689.47
    toluene 455.17
    isobutanol 414.19
    1,4-dioxane 1006.55
    methyl acetate 685.03
    THF 1676.64
    2-butanone 836.54
    n-pentanol 300.64
    sec-butanol 446.17
    n-hexane 149.23
    ethylene glycol 27.56
    NMP 1461.56
    cyclohexane 796.38
    DMSO 715.89
    n-butyl acetate 960.64
    n-octanol 304.13
    chloroform 3263.12
    n-propyl acetate 1104.72
    acetic acid 704.33
    dichloromethane 2886.14
    cyclohexanone 2451.16
    propylene glycol 76.99
    isopropyl acetate 981.81
    DMAc 1195.64
    2-ethoxyethanol 515.24
    isopentanol 502.26
    n-heptane 142.6
    ethyl formate 547.66
    1,2-dichloroethane 1753.89
    n-hexanol 276.04
    2-methoxyethanol 584.41
    isobutyl acetate 742.49
    tetrachloromethane 880.54
    n-pentyl acetate 1380.03
    transcutol 2018.24
    n-heptanol 317.93
    ethylbenzene 299.15
    MIBK 755.53
    2-propoxyethanol 485.35
    tert-butanol 538.91
    MTBE 717.0
    2-butoxyethanol 705.52
    propionic acid 551.37
    o-xylene 429.62
    formic acid 156.82
    diethyl ether 658.52
    m-xylene 344.24
    p-xylene 488.68
    chlorobenzene 752.14
    dimethyl carbonate 234.28
    n-octane 65.17
    formamide 249.64
    cyclopentanone 1775.74
    2-pentanone 932.5
    anisole 447.01
    cyclopentyl methyl ether 1340.38
    gamma-butyrolactone 1763.61
    1-methoxy-2-propanol 602.92
    pyridine 993.7
    3-pentanone 818.38
    furfural 1250.86
    n-dodecane 29.26
    diethylene glycol 218.59
    diisopropyl ether 340.55
    tert-amyl alcohol 641.57
    acetylacetone 1083.3
    n-hexadecane 36.08
    acetophenone 618.9
    methyl propionate 758.62
    isopentyl acetate 906.34
    trichloroethylene 3034.21
    n-nonanol 299.76
    cyclohexanol 1082.76
    benzyl alcohol 330.34
    2-ethylhexanol 339.5
    isooctanol 349.17
    dipropyl ether 589.53
    1,2-dichlorobenzene 856.88
    ethyl lactate 391.1
    propylene carbonate 1176.62
    n-methylformamide 360.56
    2-pentanol 404.49
    n-pentane 125.28
    1-propoxy-2-propanol 581.62
    1-methoxy-2-propyl acetate 720.31
    2-(2-methoxypropoxy) propanol 467.64
    mesitylene 281.1
    ε-caprolactone 2119.72
    p-cymene 248.78
    epichlorohydrin 1870.49
    1,1,1-trichloroethane 2299.63
    2-aminoethanol 115.68
    morpholine-4-carbaldehyde 1184.48
    sulfolane 2178.22
    2,2,4-trimethylpentane 115.95
    2-methyltetrahydrofuran 1589.56
    n-hexyl acetate 1149.89
    isooctane 55.86
    2-(2-butoxyethoxy)ethanol 676.9
    sec-butyl acetate 884.49
    tert-butyl acetate 1080.81
    decalin 181.07
    glycerin 129.22
    diglyme 1546.82
    acrylic acid 366.46
    isopropyl myristate 326.8
    n-butyric acid 1279.63
    acetyl acetate 755.62
    di(2-ethylhexyl) phthalate 256.91
    ethyl propionate 905.92
    nitromethane 1027.57
    1,2-diethoxyethane 897.65
    benzonitrile 510.02
    trioctyl phosphate 210.98
    1-bromopropane 1084.2
    gamma-valerolactone 2286.27
    n-decanol 185.05
    triethyl phosphate 420.65
    4-methyl-2-pentanol 292.88
    propionitrile 385.06
    vinylene carbonate 959.4
    1,1,2-trichlorotrifluoroethane 1498.06
    DMS 571.03
    cumene 223.48
    2-octanol 296.14
    2-hexanone 820.94
    octyl acetate 418.19
    limonene 511.3
    1,2-dimethoxyethane 1073.07
    ethyl orthosilicate 444.25
    tributyl phosphate 293.57
    diacetone alcohol 814.71
    N,N-dimethylaniline 350.92
    acrylonitrile 367.2
    aniline 462.27
    1,3-propanediol 256.4
    bromobenzene 846.61
    dibromomethane 1951.37
    1,1,2,2-tetrachloroethane 3035.44
    2-methyl-cyclohexyl acetate 674.62
    tetrabutyl urea 373.2
    diisobutyl methanol 244.45
    2-phenylethanol 300.44
    styrene 327.84
    dioctyl adipate 490.8
    dimethyl sulfate 459.58
    ethyl butyrate 879.52
    methyl lactate 303.46
    butyl lactate 766.11
    diethyl carbonate 486.62
    propanediol butyl ether 468.51
    triethyl orthoformate 716.91
    p-tert-butyltoluene 229.73
    methyl 4-tert-butylbenzoate 641.2
    morpholine 1322.79
    tert-butylamine 410.25
    n-dodecanol 125.86
    dimethoxymethane 558.58
    ethylene carbonate 988.72
    cyrene 469.14
    2-ethoxyethyl acetate 1176.65
    2-ethylhexyl acetate 820.64
    1,2,4-trichlorobenzene 1030.29
    4-methylpyridine 985.69
    dibutyl ether 680.68
    2,6-dimethyl-4-heptanol 244.45
    DEF 1133.23
    dimethyl isosorbide 886.09
    tetrachloroethylene 2190.03
    eugenol 482.79
    triacetin 1018.91
    span 80 508.36
    1,4-butanediol 109.56
    1,1-dichloroethane 1681.76
    2-methyl-1-pentanol 373.4
    methyl formate 276.35
    2-methyl-1-butanol 502.71
    n-decane 76.19
    butyronitrile 529.93
    3,7-dimethyl-1-octanol 318.76
    1-chlorooctane 368.7
    1-chlorotetradecane 97.99
    n-nonane 78.82
    undecane 43.25
    tert-butylcyclohexane 130.1
    cyclooctane 181.75
    cyclopentanol 838.57
    tetrahydropyran 1741.88
    tert-amyl methyl ether 716.56
    2,5,8-trioxanonane 803.41
    1-hexene 339.94
    2-isopropoxyethanol 483.67
    2,2,2-trifluoroethanol 355.25
    methyl butyrate 1275.1

    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