Sodium octanoate

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  • Identifiers

    CAS number
    1984-06-1

    Molecular formula
    C8H15NaO2

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

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fatty 78.1%
    Waxy 60.11%
    Cheesy 56.89%
    Dairy 50.29%
    Oily 44.72%
    Creamy 40.73%
    Milky 39.6%
    Sour 38.1%
    Fruity 33.99%
    Green 33.54%

     

    Flavor
    Fatty 48.3%
    Waxy 40.14%
    Herbal 39.08%
    Oily 35.31%
    Cheese 34.82%
    Fruity 34.25%
    Fat 33.8%
    Green 29.13%
    Coconut 28.98%
    Creamy 26.88%

     

    Odor impact est.
    Medium

  • Properties

    pKa est.
    5.16 (weak acid)

    Molecular weight
    166.19 g/mol

    Flash point

    • 75.63 ˚C est.

  • Synonyms

    • SODIUM OCTANOATE
    • Sodium caprylate
    • 1984-06-1
    • Sodium n-octanoate
    • Octanoic acid, sodium salt
    • sodium;octanoate
    • Caprylic acid sodium salt
    • Sodium octoate
    • Natrium octanoat
    • 9XTM81VK2B
    • DTXSID3027451
    • CHEBI:132100
    • Ice Block
    • RefChem:58499
    • DTXCID407451
    • 217-850-5
    • Octanoic acid, sodium salt (1:1)
    • MFCD00058511
    • Octanoicacidsodiumsalt
    • Octanoic acid sodium salt
    • Sodium caprylate (NF)
    • Sodium caprylate [NF]
    • 3106-28-3
    • HSDB 5862
    • EINECS 217-850-5
    • starbld0016508
    • AI3-50473
    • Sodium octanoate, 96%
    • UNII-9XTM81VK2B
    • n-Octanoic Acid Sodium Salt
    • SCHEMBL56211
    • CHEMBL557076
    • orb3023592
    • SODIUM CAPRYLATE [HSDB]
    • SODIUM OCTANOATE [MART.]
    • SODIUM CAPRYLATE [WHO-DD]
    • AKOS015901906
    • SODIUM CAPRYLATE [EP IMPURITY]
    • CS-W016055
    • FC46945
    • HY-W015339
    • SODIUM CAPRYLATE [EP MONOGRAPH]
    • AS-17478
    • NS00082151
    • O0034
    • ST51037190
    • D08999
    • Q25473932
    • Caprylic acid sodium salt;Octanoic acid sodium salt;Sodium caprylate
    • 1984-06-1

  • Applications

    Sodium octanoate (CAS 1984-06-1) is the sodium salt of octanoic acid and is primarily used as a surfactant in household and industrial cleaners; it also acts as an emulsifier and cleansing agent in cosmetics and personal care formulations; it serves as an intermediate or precursor for the synthesis of octanoate esters used in fragrances and flavors; it functions as a wetting agent and dispersant in coatings, paints, and inks; it has applications in textile processing and leather treatment as a detergent/emulsifier additive.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2761.75
    methanol 3446.23
    isopropanol 1891.57
    water 0.41
    ethyl acetate 1737.0
    n-propanol 1748.47
    acetone 4115.44
    n-butanol 1474.02
    acetonitrile 1203.29
    DMF 3739.45
    toluene 462.52
    isobutanol 1256.17
    1,4-dioxane 1585.55
    methyl acetate 1117.23
    THF 3612.06
    2-butanone 1922.38
    n-pentanol 1032.77
    sec-butanol 1324.26
    n-hexane 417.62
    ethylene glycol 505.14
    NMP 2844.55
    cyclohexane 237.09
    DMSO 5643.33
    n-butyl acetate 1429.05
    n-octanol 490.29
    chloroform 1603.42
    n-propyl acetate 1068.32
    acetic acid 1760.34
    dichloromethane 1651.98
    cyclohexanone 2680.4
    propylene glycol 745.93
    isopropyl acetate 1072.09
    DMAc 1540.17
    2-ethoxyethanol 1221.28
    isopentanol 1308.42
    n-heptane 102.78
    ethyl formate 791.47
    1,2-dichloroethane 1681.75
    n-hexanol 1158.84
    2-methoxyethanol 2345.15
    isobutyl acetate 647.81
    tetrachloromethane 299.0
    n-pentyl acetate 764.25
    transcutol 5246.01
    n-heptanol 424.27
    ethylbenzene 323.05
    MIBK 1074.4
    2-propoxyethanol 1670.22
    tert-butanol 2138.53
    MTBE 1384.52
    2-butoxyethanol 822.04
    propionic acid 1354.38
    o-xylene 310.75
    formic acid 580.63
    diethyl ether 1423.65
    m-xylene 423.26
    p-xylene 365.73
    chlorobenzene 735.54
    dimethyl carbonate 370.3
    n-octane 44.12
    formamide 983.08
    cyclopentanone 3410.12
    2-pentanone 1965.96
    anisole 684.49
    cyclopentyl methyl ether 1944.67
    gamma-butyrolactone 3104.98
    1-methoxy-2-propanol 1951.94
    pyridine 1479.54
    3-pentanone 1062.67
    furfural 1909.87
    n-dodecane 27.91
    diethylene glycol 1113.41
    diisopropyl ether 461.96
    tert-amyl alcohol 1499.52
    acetylacetone 1896.08
    n-hexadecane 33.07
    acetophenone 645.65
    methyl propionate 1214.38
    isopentyl acetate 1206.68
    trichloroethylene 2534.48
    n-nonanol 406.37
    cyclohexanol 1378.5
    benzyl alcohol 608.63
    2-ethylhexanol 633.75
    isooctanol 367.89
    dipropyl ether 692.51
    1,2-dichlorobenzene 706.2
    ethyl lactate 406.2
    propylene carbonate 1307.47
    n-methylformamide 1800.97
    2-pentanol 1069.97
    n-pentane 177.38
    1-propoxy-2-propanol 1312.88
    1-methoxy-2-propyl acetate 1165.71
    2-(2-methoxypropoxy) propanol 840.79
    mesitylene 291.07
    ε-caprolactone 1888.8
    p-cymene 188.22
    epichlorohydrin 2560.38
    1,1,1-trichloroethane 1288.74
    2-aminoethanol 1102.35
    morpholine-4-carbaldehyde 1909.91
    sulfolane 4392.83
    2,2,4-trimethylpentane 84.59
    2-methyltetrahydrofuran 2640.27
    n-hexyl acetate 1095.12
    isooctane 85.94
    2-(2-butoxyethoxy)ethanol 1367.33
    sec-butyl acetate 716.42
    tert-butyl acetate 1291.32
    decalin 138.55
    glycerin 838.53
    diglyme 2069.15
    acrylic acid 1025.41
    isopropyl myristate 335.49
    n-butyric acid 1869.89
    acetyl acetate 736.38
    di(2-ethylhexyl) phthalate 315.9
    ethyl propionate 869.94
    nitromethane 2633.98
    1,2-diethoxyethane 1303.94
    benzonitrile 788.04
    trioctyl phosphate 243.31
    1-bromopropane 1003.0
    gamma-valerolactone 3117.6
    n-decanol 289.17
    triethyl phosphate 267.07
    4-methyl-2-pentanol 569.88
    propionitrile 986.8
    vinylene carbonate 999.97
    1,1,2-trichlorotrifluoroethane 1663.07
    DMS 667.12
    cumene 229.66
    2-octanol 346.71
    2-hexanone 1322.62
    octyl acetate 434.03
    limonene 339.76
    1,2-dimethoxyethane 1856.33
    ethyl orthosilicate 276.28
    tributyl phosphate 355.19
    diacetone alcohol 1573.03
    N,N-dimethylaniline 448.62
    acrylonitrile 1222.22
    aniline 798.23
    1,3-propanediol 1319.07
    bromobenzene 746.37
    dibromomethane 1224.03
    1,1,2,2-tetrachloroethane 2103.67
    2-methyl-cyclohexyl acetate 558.61
    tetrabutyl urea 433.85
    diisobutyl methanol 357.87
    2-phenylethanol 647.39
    styrene 429.59
    dioctyl adipate 535.61
    dimethyl sulfate 753.92
    ethyl butyrate 742.32
    methyl lactate 640.01
    butyl lactate 663.66
    diethyl carbonate 388.62
    propanediol butyl ether 1075.85
    triethyl orthoformate 452.05
    p-tert-butyltoluene 198.45
    methyl 4-tert-butylbenzoate 567.52
    morpholine 2434.91
    tert-butylamine 1290.0
    n-dodecanol 207.11
    dimethoxymethane 1506.97
    ethylene carbonate 850.32
    cyrene 618.78
    2-ethoxyethyl acetate 990.72
    2-ethylhexyl acetate 868.36
    1,2,4-trichlorobenzene 781.13
    4-methylpyridine 1556.19
    dibutyl ether 685.1
    2,6-dimethyl-4-heptanol 357.87
    DEF 1735.69
    dimethyl isosorbide 1306.78
    tetrachloroethylene 1359.25
    eugenol 622.21
    triacetin 807.73
    span 80 808.89
    1,4-butanediol 513.78
    1,1-dichloroethane 1575.86
    2-methyl-1-pentanol 945.0
    methyl formate 932.51
    2-methyl-1-butanol 1124.73
    n-decane 55.3
    butyronitrile 1202.09
    3,7-dimethyl-1-octanol 533.72
    1-chlorooctane 297.29
    1-chlorotetradecane 97.92
    n-nonane 60.77
    undecane 38.03
    tert-butylcyclohexane 148.12
    cyclooctane 74.39
    cyclopentanol 1728.65
    tetrahydropyran 2278.38
    tert-amyl methyl ether 993.11
    2,5,8-trioxanonane 1337.41
    1-hexene 1040.83
    2-isopropoxyethanol 913.12
    2,2,2-trifluoroethanol 424.35
    methyl butyrate 1209.55

    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