Sodium laureth sulfate

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  • Identifiers

    CAS number
    9004-82-4

    Molecular formula
    C14H29NaO5S

    SMILES
    CCCCCCCCCCCCOCCOS(=O)(=O)[O-].[Na+]

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 50.6%
    Fatty 28.27%
    Waxy 25.31%
    Fresh 25.17%
    Savory 22.46%
    Citrus 20.82%
    Oily 20.77%
    Meaty 18.82%
    Milky 18.19%
    Clean 16.89%

     

    Flavor
    Waxy 28.08%
    Bland 26.49%
    Fatty 25.86%
    Mild 25.68%
    Oily 24.6%
    Bitter 22.47%
    Green 21.17%
    Odorless 20.61%
    Slightly waxy 20.55%
    Bay oil 20.1%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    5.94 (weak acid)

    Molecular weight
    332.43 g/mol

    Flash point

    • 167.93 ˚C est.

  • Synonyms

    • Sodium laureth sulfate
    • 9004-82-4
    • 15826-16-1
    • sodium;2-dodecoxyethyl sulfate
    • Sodium 2-(dodecyloxy)ethyl sulphate
    • Sodium lauryl oxyethyl sulfate
    • 2-(Dodecyloxy)ethyl sodium sulfate
    • Sodium 2-(dodecyloxy)ethyl sulfate
    • Ethanol, 2-(dodecyloxy)-, hydrogen sulfate, sodium salt
    • SUY7YR7K8F
    • Sodium lauryl ethoxysulfate
    • Ethanol, 2-(dodecyloxy)-, sulfate, sodium salt
    • Sodium dodecylmonooxyethylene sulfate
    • MFCD01772167
    • SLES
    • Dodecyl sodium ethoxysulfate
    • Ethanol, 2-(dodecyloxy)-, 1-(hydrogen sulfate), sodium salt (1:1)
    • Sodium dodeceth-1 sulfate
    • Sodium lauryl ethoxysulphate
    • Sodium 2-(lauryloxy)ethyl sulfate
    • EINECS 239-925-1
    • 2-(Dodecyloxy)ethanol hydrogen sulfate sodium salt
    • UNII-SUY7YR7K8F
    • DSSTox_CID_9298
    • C14H29NaO5S
    • DSSTox_RID_78753
    • DSSTox_GSID_29298
    • sodium lauryl ethoxy sulphate
    • SCHEMBL675596
    • orb1309079
    • CHEMBL3183840
    • DTXSID70274019
    • Tox21_302374
    • AKOS040768877
    • sodium dodecylmono(oxyethylene) sulfate
    • FS40299
    • NCGC00255215-01
    • DA-67671
    • SY012271
    • CAS-9004-82-4
    • DB-231807
    • NS00087553
    • Sodium dodecylpoly(oxyethylene) sulfate - 70%
    • Fatty alcohol polyoxyethylene ether sodium sulfate (AES)
    • 9004-82-4

  • Applications

    Sodium laureth sulfate (CAS 9004-82-4) is a widely used anionic surfactant and foaming agent that enhances wetting, emulsification and cleaning performance in many formulations. In cosmetics and personal care, it serves as a surfactant and foaming ingredient in shampoos, body washes and toothpaste. In household and industrial cleaners, it is employed in dishwashing liquids, laundry detergents and surface cleaners to improve cleaning performance and foam stability. In coatings, inks and paints, it functions as a wetting agent and emulsifier to aid pigment dispersion and film formation. In polymer and plastics processing, it can act as an emulsifier or surfactant in latex systems and other polymerization processes. In pharmaceutical and topical products, it may serve as an emulsifier or excipient to aid dispersion and texture, within formulation and regulatory limits. It may also be used in agrochemical formulations as a surfactant to improve spray coverage, subject to regional regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 13.01
    methanol 16.74
    isopropanol 10.76
    water 0.02
    ethyl acetate 46.57
    n-propanol 11.57
    acetone 67.89
    n-butanol 10.23
    acetonitrile 28.95
    DMF 196.24
    toluene 29.04
    isobutanol 9.25
    1,4-dioxane 61.35
    methyl acetate 45.94
    THF 162.05
    2-butanone 62.9
    n-pentanol 12.39
    sec-butanol 12.49
    n-hexane 1.2
    ethylene glycol 2.19
    NMP 400.7
    cyclohexane 5.5
    DMSO 251.12
    n-butyl acetate 52.93
    n-octanol 14.08
    chloroform 156.67
    n-propyl acetate 58.82
    acetic acid 35.03
    dichloromethane 188.68
    cyclohexanone 187.27
    propylene glycol 5.52
    isopropyl acetate 46.79
    DMAc 301.89
    2-ethoxyethanol 47.89
    isopentanol 13.54
    n-heptane 1.42
    ethyl formate 27.76
    1,2-dichloroethane 139.03
    n-hexanol 11.68
    2-methoxyethanol 53.37
    isobutyl acetate 33.42
    tetrachloromethane 17.0
    n-pentyl acetate 64.09
    transcutol 257.76
    n-heptanol 11.23
    ethylbenzene 19.27
    MIBK 47.27
    2-propoxyethanol 45.22
    tert-butanol 23.36
    MTBE 30.85
    2-butoxyethanol 42.18
    propionic acid 25.97
    o-xylene 31.53
    formic acid 11.7
    diethyl ether 19.73
    m-xylene 25.24
    p-xylene 27.63
    chlorobenzene 58.78
    dimethyl carbonate 24.64
    n-octane 1.1
    formamide 37.99
    cyclopentanone 237.34
    2-pentanone 54.18
    anisole 57.41
    cyclopentyl methyl ether 69.47
    gamma-butyrolactone 211.17
    1-methoxy-2-propanol 50.4
    pyridine 104.12
    3-pentanone 50.94
    furfural 201.75
    n-dodecane 0.99
    diethylene glycol 28.24
    diisopropyl ether 10.73
    tert-amyl alcohol 25.41
    acetylacetone 127.46
    n-hexadecane 1.21
    acetophenone 98.24
    methyl propionate 45.3
    isopentyl acetate 54.55
    trichloroethylene 304.72
    n-nonanol 15.01
    cyclohexanol 24.42
    benzyl alcohol 38.94
    2-ethylhexanol 12.2
    isooctanol 11.65
    dipropyl ether 17.58
    1,2-dichlorobenzene 86.31
    ethyl lactate 31.87
    propylene carbonate 108.47
    n-methylformamide 48.79
    2-pentanol 9.24
    n-pentane 1.02
    1-propoxy-2-propanol 43.05
    1-methoxy-2-propyl acetate 78.03
    2-(2-methoxypropoxy) propanol 72.51
    mesitylene 18.81
    ε-caprolactone 148.89
    p-cymene 16.99
    epichlorohydrin 219.61
    1,1,1-trichloroethane 106.44
    2-aminoethanol 7.78
    morpholine-4-carbaldehyde 234.08
    sulfolane 460.23
    2,2,4-trimethylpentane 1.75
    2-methyltetrahydrofuran 93.96
    n-hexyl acetate 69.31
    isooctane 1.06
    2-(2-butoxyethoxy)ethanol 83.2
    sec-butyl acetate 44.46
    tert-butyl acetate 79.55
    decalin 4.46
    glycerin 13.16
    diglyme 177.15
    acrylic acid 25.21
    isopropyl myristate 24.65
    n-butyric acid 41.29
    acetyl acetate 54.89
    di(2-ethylhexyl) phthalate 30.58
    ethyl propionate 45.64
    nitromethane 129.7
    1,2-diethoxyethane 63.86
    benzonitrile 59.49
    trioctyl phosphate 18.17
    1-bromopropane 42.43
    gamma-valerolactone 308.94
    n-decanol 10.18
    triethyl phosphate 34.84
    4-methyl-2-pentanol 8.61
    propionitrile 21.32
    vinylene carbonate 89.09
    1,1,2-trichlorotrifluoroethane 172.67
    DMS 65.93
    cumene 15.02
    2-octanol 10.41
    2-hexanone 56.99
    octyl acetate 30.83
    limonene 26.85
    1,2-dimethoxyethane 102.66
    ethyl orthosilicate 31.88
    tributyl phosphate 26.48
    diacetone alcohol 83.0
    N,N-dimethylaniline 48.24
    acrylonitrile 35.68
    aniline 33.33
    1,3-propanediol 12.86
    bromobenzene 72.0
    dibromomethane 104.57
    1,1,2,2-tetrachloroethane 254.6
    2-methyl-cyclohexyl acetate 63.36
    tetrabutyl urea 47.25
    diisobutyl methanol 11.02
    2-phenylethanol 34.12
    styrene 25.48
    dioctyl adipate 53.3
    dimethyl sulfate 92.27
    ethyl butyrate 46.53
    methyl lactate 32.9
    butyl lactate 52.72
    diethyl carbonate 33.37
    propanediol butyl ether 49.04
    triethyl orthoformate 38.9
    p-tert-butyltoluene 16.35
    methyl 4-tert-butylbenzoate 88.12
    morpholine 92.72
    tert-butylamine 12.49
    n-dodecanol 7.36
    dimethoxymethane 63.56
    ethylene carbonate 64.71
    cyrene 99.42
    2-ethoxyethyl acetate 97.4
    2-ethylhexyl acetate 45.35
    1,2,4-trichlorobenzene 112.9
    4-methylpyridine 99.81
    dibutyl ether 22.63
    2,6-dimethyl-4-heptanol 11.02
    DEF 106.41
    dimethyl isosorbide 179.97
    tetrachloroethylene 139.07
    eugenol 74.35
    triacetin 116.68
    span 80 62.94
    1,4-butanediol 6.94
    1,1-dichloroethane 84.95
    2-methyl-1-pentanol 15.82
    methyl formate 31.68
    2-methyl-1-butanol 12.36
    n-decane 1.81
    butyronitrile 23.02
    3,7-dimethyl-1-octanol 17.99
    1-chlorooctane 13.25
    1-chlorotetradecane 4.96
    n-nonane 1.56
    undecane 1.27
    tert-butylcyclohexane 2.97
    cyclooctane 1.87
    cyclopentanol 31.03
    tetrahydropyran 58.31
    tert-amyl methyl ether 33.13
    2,5,8-trioxanonane 135.3
    1-hexene 6.36
    2-isopropoxyethanol 37.38
    2,2,2-trifluoroethanol 20.61
    methyl butyrate 69.75

    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