Sodium 2-sulphonatoethyl oleate

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  • Identifiers

    CAS number
    142-15-4

    Molecular formula
    C20H37NaO5S

    SMILES
    CCCCCCCC/C=C\CCCCCCCC(=O)OCCS(=O)(=O)[O-].[Na+]

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fatty 54.1%
    Odorless 40.23%
    Waxy 37.01%
    Oily 32.85%
    Milky 22.27%
    Savory 22.0%
    Dairy 20.05%
    Meaty 19.3%
    Buttery 18.87%
    Citrus 17.64%

     

    Flavor
    Waxy 26.79%
    Bland 26.29%
    Faint 26.13%
    Fatty 25.76%
    Mild 24.77%
    Oily 23.89%
    Odorless 21.69%
    Slightly waxy 21.03%
    Bay oil 20.12%
    Beer 19.31%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    5.21 (weak acid)

    Molecular weight
    412.6 g/mol

    Flash point

    • 214.07 ˚C est.

  • Synonyms

    • Sodium oleoyl isethionate
    • Sodium 2-sulphonatoethyl oleate
    • 142-15-4
    • 2-SULFOETHYL OLEATE SODIUM SALT
    • UNII-216KS77J4M
    • 216KS77J4M
    • EINECS 205-522-4
    • AI3-00358
    • 9-Octadecenoic acid (Z)-, 2-sulfoethyl ester, sodium salt
    • DTXSID8041454
    • 9-Octadecenoic acid (9Z)-, 2-sulfoethyl ester, sodium salt
    • Z-9-OCTADECENOIC ACID, 2-SULFOETHYL ESTER, SODIUM SALT
    • RefChem:203037
    • DTXCID6021454
    • SODIUM OLEOYL ISETHIONATE [INCI]
    • 2-Sulfoethyl 9-octadecenoate, sodium salt
    • sodium;2-[(Z)-octadec-9-enoyl]oxyethanesulfonate
    • 9-Octadecenoic acid, 2-sulfoethyl ester, sodium salt
    • Oleic acid, 2-sulfoethyl ester, sodium salt
    • SCHEMBL9398408
    • MCFLGJDKSROECH-KVVVOXFISA-M
    • DB-256089
    • NS00079294
    • Q27253526
    • Sodium 2-{[(9Z)-octadec-9-enoyl]oxy}ethane-1-sulfonate
    • 9-Octadecenoic acid (9Z)-, 2-sulfoethyl ester, sodium salt (1:1)
    • 142-15-4

  • Applications

    Sodium 2-sulphonatoethyl oleate (CAS 142-15-4) is an anionic surfactant used as an emulsifier, dispersant, and wetting agent in a range of industrial formulations; typical applications include detergents and household cleaners, cosmetics and personal care products, coatings and inks, polymer processing and latex stabilization (as an emulsifier and dispersant), and textile processing as a wetting agent and emulsifier.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 4.93
    methanol 8.08
    isopropanol 3.64
    water 0.02
    ethyl acetate 12.82
    n-propanol 5.64
    acetone 25.6
    n-butanol 5.37
    acetonitrile 6.52
    DMF 108.58
    toluene 10.31
    isobutanol 4.67
    1,4-dioxane 22.29
    methyl acetate 12.49
    THF 89.48
    2-butanone 23.67
    n-pentanol 6.48
    sec-butanol 5.44
    n-hexane 0.63
    ethylene glycol 1.22
    NMP 294.62
    cyclohexane 1.89
    DMSO 118.82
    n-butyl acetate 17.52
    n-octanol 7.38
    chloroform 64.67
    n-propyl acetate 20.6
    acetic acid 16.71
    dichloromethane 76.11
    cyclohexanone 83.9
    propylene glycol 3.91
    isopropyl acetate 15.22
    DMAc 206.8
    2-ethoxyethanol 24.83
    isopentanol 6.88
    n-heptane 0.72
    ethyl formate 11.09
    1,2-dichloroethane 42.68
    n-hexanol 5.03
    2-methoxyethanol 28.44
    isobutyl acetate 15.03
    tetrachloromethane 6.12
    n-pentyl acetate 27.59
    transcutol 186.69
    n-heptanol 6.29
    ethylbenzene 8.48
    MIBK 23.17
    2-propoxyethanol 24.45
    tert-butanol 7.87
    MTBE 9.31
    2-butoxyethanol 26.07
    propionic acid 11.58
    o-xylene 12.02
    formic acid 7.35
    diethyl ether 5.68
    m-xylene 10.28
    p-xylene 10.78
    chlorobenzene 17.97
    dimethyl carbonate 12.79
    n-octane 0.47
    formamide 18.07
    cyclopentanone 117.42
    2-pentanone 23.99
    anisole 26.4
    cyclopentyl methyl ether 36.45
    gamma-butyrolactone 101.07
    1-methoxy-2-propanol 32.08
    pyridine 35.39
    3-pentanone 22.04
    furfural 100.7
    n-dodecane 0.44
    diethylene glycol 15.37
    diisopropyl ether 3.6
    tert-amyl alcohol 9.8
    acetylacetone 54.17
    n-hexadecane 0.54
    acetophenone 48.7
    methyl propionate 18.43
    isopentyl acetate 20.28
    trichloroethylene 104.64
    n-nonanol 8.1
    cyclohexanol 12.5
    benzyl alcohol 18.7
    2-ethylhexanol 5.83
    isooctanol 7.04
    dipropyl ether 8.86
    1,2-dichlorobenzene 29.11
    ethyl lactate 18.05
    propylene carbonate 51.8
    n-methylformamide 24.12
    2-pentanol 4.15
    n-pentane 0.44
    1-propoxy-2-propanol 23.89
    1-methoxy-2-propyl acetate 34.55
    2-(2-methoxypropoxy) propanol 51.59
    mesitylene 7.73
    ε-caprolactone 74.21
    p-cymene 7.01
    epichlorohydrin 93.43
    1,1,1-trichloroethane 33.1
    2-aminoethanol 4.42
    morpholine-4-carbaldehyde 149.47
    sulfolane 280.63
    2,2,4-trimethylpentane 0.9
    2-methyltetrahydrofuran 40.52
    n-hexyl acetate 31.67
    isooctane 0.5
    2-(2-butoxyethoxy)ethanol 57.65
    sec-butyl acetate 16.5
    tert-butyl acetate 31.03
    decalin 2.16
    glycerin 10.43
    diglyme 117.1
    acrylic acid 12.2
    isopropyl myristate 12.07
    n-butyric acid 19.13
    acetyl acetate 16.56
    di(2-ethylhexyl) phthalate 18.01
    ethyl propionate 18.72
    nitromethane 48.63
    1,2-diethoxyethane 29.99
    benzonitrile 20.17
    trioctyl phosphate 9.51
    1-bromopropane 13.23
    gamma-valerolactone 170.46
    n-decanol 5.33
    triethyl phosphate 18.95
    4-methyl-2-pentanol 4.61
    propionitrile 7.09
    vinylene carbonate 42.88
    1,1,2-trichlorotrifluoroethane 91.55
    DMS 26.16
    cumene 7.34
    2-octanol 5.01
    2-hexanone 25.66
    octyl acetate 15.18
    limonene 11.3
    1,2-dimethoxyethane 54.65
    ethyl orthosilicate 18.24
    tributyl phosphate 13.43
    diacetone alcohol 45.63
    N,N-dimethylaniline 28.01
    acrylonitrile 11.24
    aniline 13.94
    1,3-propanediol 6.9
    bromobenzene 20.66
    dibromomethane 37.07
    1,1,2,2-tetrachloroethane 99.18
    2-methyl-cyclohexyl acetate 31.52
    tetrabutyl urea 27.7
    diisobutyl methanol 5.08
    2-phenylethanol 15.03
    styrene 10.17
    dioctyl adipate 29.85
    dimethyl sulfate 53.82
    ethyl butyrate 20.53
    methyl lactate 22.22
    butyl lactate 30.58
    diethyl carbonate 13.99
    propanediol butyl ether 33.21
    triethyl orthoformate 21.3
    p-tert-butyltoluene 6.94
    methyl 4-tert-butylbenzoate 58.05
    morpholine 37.25
    tert-butylamine 4.03
    n-dodecanol 3.73
    dimethoxymethane 38.81
    ethylene carbonate 29.53
    cyrene 72.21
    2-ethoxyethyl acetate 41.99
    2-ethylhexyl acetate 17.42
    1,2,4-trichlorobenzene 40.08
    4-methylpyridine 35.63
    dibutyl ether 11.56
    2,6-dimethyl-4-heptanol 5.08
    DEF 47.62
    dimethyl isosorbide 121.19
    tetrachloroethylene 48.75
    eugenol 49.04
    triacetin 63.74
    span 80 39.66
    1,4-butanediol 3.69
    1,1-dichloroethane 24.32
    2-methyl-1-pentanol 8.4
    methyl formate 15.65
    2-methyl-1-butanol 6.84
    n-decane 0.9
    butyronitrile 7.76
    3,7-dimethyl-1-octanol 8.66
    1-chlorooctane 6.04
    1-chlorotetradecane 2.22
    n-nonane 0.75
    undecane 0.6
    tert-butylcyclohexane 1.45
    cyclooctane 0.79
    cyclopentanol 15.07
    tetrahydropyran 23.13
    tert-amyl methyl ether 12.76
    2,5,8-trioxanonane 95.43
    1-hexene 2.96
    2-isopropoxyethanol 19.25
    2,2,2-trifluoroethanol 9.53
    methyl butyrate 30.78

    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