Ammonium perfluorooctanoate

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  • Identifiers

    CAS number
    3825-26-1

    Molecular formula
    C8H4F15NO2

    SMILES
    C(=O)(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)[O-].[NH4+]

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Odorless 58.38%
    Sweet 23.08%
    Woody 22.98%
    Cooling 20.43%
    Fishy 19.59%
    Balsamic 17.22%
    Dry 15.73%
    Savory 15.4%
    Clean 14.88%
    Animal 14.02%

     

    Flavor
    Odorless 34.22%
    Bitter 32.97%
    Bland 25.4%
    Sweet-like 18.03%
    Mild 17.13%
    Oriental 16.63%
    Nitrile 16.54%
    Bloody 16.5%
    Bouillon 16.36%
    Glue 16.25%

     

    Odor impact est.
    Medium

  • Properties

    pKa est.
    0.42 (strong acid)

    Molecular weight
    431.1 g/mol

    Flash point

    • 32.53 ˚C est.

  • Synonyms

    • Ammonium perfluorooctanoate
    • 3825-26-1
    • Ammonium pentadecafluorooctanoate
    • Ammonium perfluorocaprylate
    • Fluorad FC 143
    • Ammonium perfluorocaprilate
    • Perfluoroammonium octanoate
    • Octanoic acid, pentadecafluoro-, ammonium salt
    • FC-143
    • Perfluorooctanoic acid, ammonium salt
    • E904OF18PS
    • DTXSID8037708
    • DTXCID6017708
    • CXR-1002
    • NSC-35120
    • Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-, ammonium salt (1:1)
    • APFO
    • RefChem:112194
    • DTXSID601344239
    • 223-320-4
    • Pentadecafluorooctanoic acid ammonium salt
    • azanium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate
    • Pentadecafluoro-1-octanoic acid, ammonium salt
    • Ammonium pentadecafluorooctanoate; CXR 1002; DS 101; FC 1015
    • EINECS 223-320-4
    • NSC 35120
    • UNII-E904OF18PS
    • perfluorooctanoic acid ammonium
    • CCRIS 8803
    • PFOA, ammonium salt
    • FC-143 surfactant
    • MSK9503M
    • Perfluorooctanoic acid ammonium 100 microg/mL in Methanol
    • Tox21_300595
    • DS-101
    • AKOS015852804
    • FC-1015
    • NCGC00163859-01
    • NCGC00254249-01
    • Perfluoro-n-octanoic acid, ammonium salt
    • CAS-3825-26-1
    • NS00002644
    • P1449
    • PERFLUOROOCTANOIC ACID AMMONIUM SALT [MI]
    • A824083
    • PENTADECAFLUOROOCTANOIC ACID, AMMONIUM SALT
    • ammonium 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate
    • azanium 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecakis(fluoranyl)octanoate
    • 3825-26-1

  • Applications

    Ammonium perfluorooctanoate (CAS 3825-26-1) primarily functions as a surfactant and processing aid in the industrial production of fluoropolymers, stabilizing aqueous dispersions for polymers such as PTFE, FEP, and PFA during emulsion polymerization and film formation. It is commonly used as an emulsifier and wetting agent in coatings and ink formulations to improve spread, leveling, and water- and oil-repellency on fluorinated surfaces. In textile and leather finishing, it can serve as a fluorinated finishing agent to impart soil and stain resistance and water repellency. It is also used as an intermediate in fluorinated polymer manufacture and as a processing additive to enhance coating performance and compatibility in electronics-grade fluoropolymer components. Its use is subject to local regulations and formulation limits due to environmental and health considerations associated with PFOA salts.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 141.93
    methanol 377.84
    isopropanol 65.29
    water 40.05
    ethyl acetate 80.62
    n-propanol 88.15
    acetone 186.43
    n-butanol 53.37
    acetonitrile 96.16
    DMF 567.0
    toluene 31.67
    isobutanol 47.62
    1,4-dioxane 125.96
    methyl acetate 99.13
    THF 266.22
    2-butanone 118.63
    n-pentanol 40.98
    sec-butanol 59.91
    n-hexane 5.87
    ethylene glycol 119.12
    NMP 503.46
    cyclohexane 17.89
    DMSO 1262.18
    n-butyl acetate 47.16
    n-octanol 32.61
    chloroform 33.33
    n-propyl acetate 53.18
    acetic acid 106.0
    dichloromethane 68.24
    cyclohexanone 117.3
    propylene glycol 76.03
    isopropyl acetate 46.42
    DMAc 501.91
    2-ethoxyethanol 172.24
    isopentanol 34.12
    n-heptane 15.25
    ethyl formate 80.99
    1,2-dichloroethane 71.65
    n-hexanol 38.79
    2-methoxyethanol 276.48
    isobutyl acetate 19.46
    tetrachloromethane 7.99
    n-pentyl acetate 36.35
    transcutol 193.92
    n-heptanol 28.67
    ethylbenzene 14.87
    MIBK 41.52
    2-propoxyethanol 134.16
    tert-butanol 57.26
    MTBE 50.96
    2-butoxyethanol 71.78
    propionic acid 78.85
    o-xylene 32.38
    formic acid 191.84
    diethyl ether 87.75
    m-xylene 21.73
    p-xylene 14.6
    chlorobenzene 13.66
    dimethyl carbonate 96.99
    n-octane 7.06
    formamide 324.27
    cyclopentanone 170.7
    2-pentanone 88.01
    anisole 42.17
    cyclopentyl methyl ether 97.52
    gamma-butyrolactone 213.4
    1-methoxy-2-propanol 166.67
    pyridine 101.78
    3-pentanone 90.47
    furfural 146.34
    n-dodecane 4.75
    diethylene glycol 142.99
    diisopropyl ether 23.11
    tert-amyl alcohol 56.15
    acetylacetone 100.88
    n-hexadecane 5.06
    acetophenone 57.88
    methyl propionate 117.55
    isopentyl acetate 27.0
    trichloroethylene 57.93
    n-nonanol 32.93
    cyclohexanol 52.23
    benzyl alcohol 45.64
    2-ethylhexanol 24.41
    isooctanol 18.76
    dipropyl ether 62.04
    1,2-dichlorobenzene 12.37
    ethyl lactate 57.08
    propylene carbonate 73.78
    n-methylformamide 315.36
    2-pentanol 37.69
    n-pentane 12.14
    1-propoxy-2-propanol 91.15
    1-methoxy-2-propyl acetate 73.88
    2-(2-methoxypropoxy) propanol 82.48
    mesitylene 15.11
    ε-caprolactone 100.09
    p-cymene 17.33
    epichlorohydrin 149.47
    1,1,1-trichloroethane 17.21
    2-aminoethanol 120.64
    morpholine-4-carbaldehyde 323.6
    sulfolane 371.07
    2,2,4-trimethylpentane 4.27
    2-methyltetrahydrofuran 112.28
    n-hexyl acetate 41.39
    isooctane 2.2
    2-(2-butoxyethoxy)ethanol 97.45
    sec-butyl acetate 28.53
    tert-butyl acetate 40.27
    decalin 4.87
    glycerin 116.32
    diglyme 171.09
    acrylic acid 84.72
    isopropyl myristate 21.33
    n-butyric acid 60.04
    acetyl acetate 42.72
    di(2-ethylhexyl) phthalate 18.68
    ethyl propionate 58.21
    nitromethane 282.4
    1,2-diethoxyethane 74.52
    benzonitrile 30.07
    trioctyl phosphate 18.15
    1-bromopropane 41.72
    gamma-valerolactone 221.38
    n-decanol 26.51
    triethyl phosphate 30.87
    4-methyl-2-pentanol 18.44
    propionitrile 66.12
    vinylene carbonate 70.16
    1,1,2-trichlorotrifluoroethane 122.81
    DMS 50.42
    cumene 9.81
    2-octanol 19.8
    2-hexanone 51.67
    octyl acetate 30.49
    limonene 28.38
    1,2-dimethoxyethane 197.72
    ethyl orthosilicate 27.49
    tributyl phosphate 19.04
    diacetone alcohol 67.52
    N,N-dimethylaniline 46.16
    acrylonitrile 95.08
    aniline 45.45
    1,3-propanediol 99.19
    bromobenzene 11.48
    dibromomethane 48.03
    1,1,2,2-tetrachloroethane 52.35
    2-methyl-cyclohexyl acetate 32.33
    tetrabutyl urea 45.7
    diisobutyl methanol 15.86
    2-phenylethanol 37.95
    styrene 16.45
    dioctyl adipate 34.8
    dimethyl sulfate 174.74
    ethyl butyrate 50.1
    methyl lactate 115.37
    butyl lactate 42.9
    diethyl carbonate 35.17
    propanediol butyl ether 61.42
    triethyl orthoformate 39.84
    p-tert-butyltoluene 15.73
    methyl 4-tert-butylbenzoate 53.56
    morpholine 180.62
    tert-butylamine 34.24
    n-dodecanol 20.68
    dimethoxymethane 298.9
    ethylene carbonate 61.96
    cyrene 112.68
    2-ethoxyethyl acetate 54.22
    2-ethylhexyl acetate 24.68
    1,2,4-trichlorobenzene 17.73
    4-methylpyridine 75.72
    dibutyl ether 33.24
    2,6-dimethyl-4-heptanol 15.86
    DEF 169.24
    dimethyl isosorbide 127.45
    tetrachloroethylene 41.8
    eugenol 49.86
    triacetin 60.56
    span 80 54.87
    1,4-butanediol 57.4
    1,1-dichloroethane 30.51
    2-methyl-1-pentanol 26.98
    methyl formate 211.85
    2-methyl-1-butanol 40.31
    n-decane 7.87
    butyronitrile 45.91
    3,7-dimethyl-1-octanol 20.76
    1-chlorooctane 15.87
    1-chlorotetradecane 8.1
    n-nonane 7.7
    undecane 6.07
    tert-butylcyclohexane 3.0
    cyclooctane 9.22
    cyclopentanol 69.95
    tetrahydropyran 91.52
    tert-amyl methyl ether 57.36
    2,5,8-trioxanonane 142.99
    1-hexene 14.0
    2-isopropoxyethanol 85.9
    2,2,2-trifluoroethanol 77.75
    methyl butyrate 67.34

    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