Ammonium difluoro(1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy)acetate

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  • Identifiers

    CAS number
    908020-52-0

    Molecular formula
    C6H4F11NO4

    SMILES
    C(=O)(C(OC(C(OC(C(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 60.75%
    Sweet 32.5%
    Cooling 20.75%
    Balsamic 19.04%
    Woody 18.92%
    Clean 18.59%
    Savory 18.05%
    Dry 16.54%
    Fishy 14.9%
    Bitter 13.77%

     

    Flavor
    Odorless 44.93%
    Bitter 31.85%
    Bland 27.35%
    Mild 21.08%
    Sweet-like 20.11%
    Bouillon 17.48%
    Nitrile 17.23%
    Scallion 17.2%
    Rotten 17.2%
    Bloody 17.13%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    1.52 (strong acid)

    Molecular weight
    363.08 g/mol

    Flash point

    • 38.03 ˚C est.

  • Synonyms

    • ammonium perfluoro-3,6-dioxaoctanoate
    • DTXSID50893409
    • EC 700-323-3
    • Ammonium difluoro(1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy)acetate
    • ammonium difluoro[1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy]acetate
    • RefChem:557703
    • DTXCID301323416
    • 700-323-3
    • 908020-52-0
    • Perfluoro(2-ethoxy-2-fluoroethoxy)acetic acid ammonium salt
    • Ammonium 2,2-difluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoroethoxy)ethoxy]acetate
    • azanium;2,2-difluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoroethoxy)ethoxy]acetate
    • EEA-NH4
    • N5G9CTB3KK
    • FA175582
    • NS00078489
    • perfluoro[(2-ethyloxy-ethoxy)acetic acid], ammonium salt
    • 2,2-Difluoro[1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy]acetic acid ammonium salt
    • Acetic acid, difluoro[1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy]-, ammonium salt
    • Acetic acid, 2,2-difluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoroethoxy)ethoxy]-, ammonium salt (1:1)
    • 908020-52-0

  • Applications

    The chemical name Ammonium difluoro(1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethoxy)acetate; CAS 908020-52-0 is used as an intermediate or processing aid in the synthesis of fluorinated polymers and copolymers, providing fluorinated functionality to the polymer backbone. In coatings and surface-treatment formulations, it may be used as a specialty processing additive or stabilizer for formulations, helping improve chemical resistance and durability. It can also serve as a precursor for fluorinated dielectric materials in electronics. Additionally, owing to its fluorinated character, it may be employed as a surfactant or processing aid in inks and coatings, or evaluated for surface-cleaning formulations requiring fluorinated components, subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 50.81
    methanol 117.07
    isopropanol 24.29
    water 11.68
    ethyl acetate 23.61
    n-propanol 27.87
    acetone 56.52
    n-butanol 17.58
    acetonitrile 19.76
    DMF 195.15
    toluene 13.72
    isobutanol 13.79
    1,4-dioxane 51.73
    methyl acetate 31.07
    THF 94.06
    2-butanone 32.38
    n-pentanol 12.96
    sec-butanol 18.78
    n-hexane 1.92
    ethylene glycol 48.38
    NMP 185.48
    cyclohexane 5.54
    DMSO 554.08
    n-butyl acetate 16.1
    n-octanol 16.15
    chloroform 8.78
    n-propyl acetate 15.74
    acetic acid 34.57
    dichloromethane 20.21
    cyclohexanone 31.6
    propylene glycol 26.97
    isopropyl acetate 15.29
    DMAc 173.17
    2-ethoxyethanol 73.77
    isopentanol 11.09
    n-heptane 6.4
    ethyl formate 22.59
    1,2-dichloroethane 20.99
    n-hexanol 12.55
    2-methoxyethanol 124.2
    isobutyl acetate 4.91
    tetrachloromethane 1.7
    n-pentyl acetate 16.83
    transcutol 115.47
    n-heptanol 14.49
    ethylbenzene 5.5
    MIBK 12.37
    2-propoxyethanol 54.24
    tert-butanol 22.86
    MTBE 18.12
    2-butoxyethanol 38.07
    propionic acid 23.35
    o-xylene 13.57
    formic acid 86.74
    diethyl ether 31.7
    m-xylene 9.19
    p-xylene 4.69
    chlorobenzene 4.86
    dimethyl carbonate 34.97
    n-octane 3.14
    formamide 145.62
    cyclopentanone 51.73
    2-pentanone 24.26
    anisole 19.46
    cyclopentyl methyl ether 37.41
    gamma-butyrolactone 66.34
    1-methoxy-2-propanol 75.26
    pyridine 42.33
    3-pentanone 24.47
    furfural 65.38
    n-dodecane 2.16
    diethylene glycol 65.29
    diisopropyl ether 8.89
    tert-amyl alcohol 19.17
    acetylacetone 34.93
    n-hexadecane 2.33
    acetophenone 22.34
    methyl propionate 35.79
    isopentyl acetate 9.43
    trichloroethylene 18.63
    n-nonanol 15.97
    cyclohexanol 17.15
    benzyl alcohol 18.88
    2-ethylhexanol 8.56
    isooctanol 9.58
    dipropyl ether 24.82
    1,2-dichlorobenzene 4.95
    ethyl lactate 18.62
    propylene carbonate 21.25
    n-methylformamide 94.49
    2-pentanol 12.89
    n-pentane 4.54
    1-propoxy-2-propanol 37.99
    1-methoxy-2-propyl acetate 30.5
    2-(2-methoxypropoxy) propanol 43.52
    mesitylene 6.4
    ε-caprolactone 31.59
    p-cymene 7.46
    epichlorohydrin 50.51
    1,1,1-trichloroethane 3.55
    2-aminoethanol 45.63
    morpholine-4-carbaldehyde 138.99
    sulfolane 133.26
    2,2,4-trimethylpentane 1.49
    2-methyltetrahydrofuran 40.63
    n-hexyl acetate 18.37
    isooctane 0.76
    2-(2-butoxyethoxy)ethanol 53.99
    sec-butyl acetate 8.3
    tert-butyl acetate 15.71
    decalin 1.53
    glycerin 52.16
    diglyme 104.67
    acrylic acid 29.08
    isopropyl myristate 9.83
    n-butyric acid 16.51
    acetyl acetate 13.23
    di(2-ethylhexyl) phthalate 9.36
    ethyl propionate 17.7
    nitromethane 88.94
    1,2-diethoxyethane 36.78
    benzonitrile 9.99
    trioctyl phosphate 8.12
    1-bromopropane 11.26
    gamma-valerolactone 75.65
    n-decanol 12.67
    triethyl phosphate 11.51
    4-methyl-2-pentanol 6.28
    propionitrile 14.73
    vinylene carbonate 20.43
    1,1,2-trichlorotrifluoroethane 47.29
    DMS 23.03
    cumene 3.72
    2-octanol 10.63
    2-hexanone 13.64
    octyl acetate 13.94
    limonene 11.26
    1,2-dimethoxyethane 88.86
    ethyl orthosilicate 10.57
    tributyl phosphate 7.57
    diacetone alcohol 27.26
    N,N-dimethylaniline 22.06
    acrylonitrile 24.15
    aniline 20.42
    1,3-propanediol 40.89
    bromobenzene 4.26
    dibromomethane 13.06
    1,1,2,2-tetrachloroethane 17.74
    2-methyl-cyclohexyl acetate 11.03
    tetrabutyl urea 18.51
    diisobutyl methanol 6.49
    2-phenylethanol 15.45
    styrene 6.65
    dioctyl adipate 15.73
    dimethyl sulfate 71.89
    ethyl butyrate 16.89
    methyl lactate 41.0
    butyl lactate 17.58
    diethyl carbonate 11.82
    propanediol butyl ether 31.3
    triethyl orthoformate 16.88
    p-tert-butyltoluene 7.88
    methyl 4-tert-butylbenzoate 32.84
    morpholine 68.11
    tert-butylamine 13.14
    n-dodecanol 9.8
    dimethoxymethane 130.37
    ethylene carbonate 16.54
    cyrene 43.14
    2-ethoxyethyl acetate 28.88
    2-ethylhexyl acetate 8.05
    1,2,4-trichlorobenzene 7.1
    4-methylpyridine 27.5
    dibutyl ether 15.76
    2,6-dimethyl-4-heptanol 6.49
    DEF 51.4
    dimethyl isosorbide 60.52
    tetrachloroethylene 14.83
    eugenol 29.34
    triacetin 30.49
    span 80 28.49
    1,4-butanediol 21.19
    1,1-dichloroethane 7.09
    2-methyl-1-pentanol 7.62
    methyl formate 69.12
    2-methyl-1-butanol 11.95
    n-decane 3.65
    butyronitrile 10.2
    3,7-dimethyl-1-octanol 9.87
    1-chlorooctane 6.96
    1-chlorotetradecane 3.47
    n-nonane 3.52
    undecane 2.77
    tert-butylcyclohexane 0.93
    cyclooctane 3.31
    cyclopentanol 23.15
    tetrahydropyran 30.32
    tert-amyl methyl ether 19.76
    2,5,8-trioxanonane 83.8
    1-hexene 4.07
    2-isopropoxyethanol 36.82
    2,2,2-trifluoroethanol 22.82
    methyl butyrate 19.25

    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