Potassium hexafluorophosphate

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  • Identifiers

    CAS number
    17084-13-8

    Molecular formula
    F6KP

    SMILES
    F[P-](F)(F)(F)(F)F.[K+]

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 62.6%
    Sweet 23.36%
    Fishy 20.49%
    Savory 16.38%
    Sulfurous 13.99%
    Clean 13.91%
    Cooling 13.75%
    Fresh 12.86%
    Meaty 12.64%
    Balsamic 12.57%

     

    Flavor
    Odorless 32.39%
    Bland 17.94%
    Sulfurous 17.7%
    Rotten 17.15%
    Bloody 17.15%
    Catty 16.82%
    Sweet-like 16.79%
    Glue 16.73%
    Bouillon 16.6%
    Decomposing cabbage 16.57%

     

  • Properties

    pKa est.
    -1.55 (strong acid)

    Molecular weight
    184.0625 g/mol

    Flash point

    • 7.23 ˚C est.

  • Synonyms

    • Potassium hexafluorophosphate
    • 17084-13-8
    • Monopotassium hexafluorophosphate
    • Potassium phosphorus fluoride
    • Phosphate(1-), hexafluoro-, potassium
    • Potassium hexafluorophosphate(1-)
    • 88W436PDI9
    • EINECS 241-143-0
    • NSC 404039
    • AI3-16098
    • DTXSID50884958
    • Phosphate(1-), hexafluoro-, potassium (1:1)
    • NSC-404039
    • RefChem:867838
    • Potassium hexafluorophosphate(1)
    • DTXCID801024374
    • Phosphate(1), hexafluoro, potassium
    • 241-143-0
    • potassium;hexafluorophosphate
    • MFCD00011412
    • potassium hexafluorophosphate(v)
    • KPF6
    • F6KP
    • UNII-88W436PDI9
    • Potassium fluorophosphate
    • SCHEMBL21327705
    • K (P F6)
    • Potassium hexafluoridophosphate(1-)
    • SBB090110
    • AKOS005762934
    • AS-11970
    • NS00087609
    • P1023
    • H12033
    • F002859
    • Q1910594
    • Potassium hexafluorophosphate, Trace metals grade 99.99%
    • 17084-13-8

  • Applications

    Chemical name: Potassium hexafluorophosphate; CAS number: 17084-13-8. Potassium hexafluorophosphate is commonly used as a salt that provides the PF6- counterion in non-aqueous electrochemistry and ionic-liquid solvent systems for energy storage research; it is used to prepare metal hexafluorophosphate salts for catalysis and coordination chemistry; it is also considered as a PF6- source for other solvent systems used in electrochemical reactions and catalysis; in materials science it serves as a precursor for fluorophosphate materials and related ceramics/glass applications; in the laboratory it functions as a reagent for inorganic synthesis and analytical chemistry.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 245.96
    methanol 413.85
    isopropanol 230.13
    water 117.19
    ethyl acetate 77.79
    n-propanol 170.53
    acetone 224.45
    n-butanol 143.47
    acetonitrile 154.03
    DMF 599.09
    toluene 34.01
    isobutanol 115.87
    1,4-dioxane 147.1
    methyl acetate 92.8
    THF 267.0
    2-butanone 109.08
    n-pentanol 87.32
    sec-butanol 155.27
    n-hexane 28.22
    ethylene glycol 185.99
    NMP 299.1
    cyclohexane 36.59
    DMSO 824.04
    n-butyl acetate 50.01
    n-octanol 62.41
    chloroform 114.99
    n-propyl acetate 50.42
    acetic acid 124.29
    dichloromethane 136.69
    cyclohexanone 91.11
    propylene glycol 136.85
    isopropyl acetate 61.76
    DMAc 362.26
    2-ethoxyethanol 175.75
    isopentanol 101.61
    n-heptane 34.7
    ethyl formate 82.9
    1,2-dichloroethane 119.46
    n-hexanol 82.6
    2-methoxyethanol 349.07
    isobutyl acetate 25.59
    tetrachloromethane 38.59
    n-pentyl acetate 48.9
    transcutol 150.42
    n-heptanol 62.58
    ethylbenzene 23.92
    MIBK 68.41
    2-propoxyethanol 154.59
    tert-butanol 251.76
    MTBE 132.69
    2-butoxyethanol 99.17
    propionic acid 100.92
    o-xylene 44.33
    formic acid 168.48
    diethyl ether 170.21
    m-xylene 35.36
    p-xylene 28.75
    chlorobenzene 30.96
    dimethyl carbonate 80.33
    n-octane 16.14
    formamide 275.13
    cyclopentanone 140.98
    2-pentanone 102.37
    anisole 53.21
    cyclopentyl methyl ether 113.47
    gamma-butyrolactone 153.09
    1-methoxy-2-propanol 267.11
    pyridine 88.57
    3-pentanone 86.43
    furfural 126.28
    n-dodecane 11.88
    diethylene glycol 178.25
    diisopropyl ether 59.88
    tert-amyl alcohol 162.55
    acetylacetone 102.34
    n-hexadecane 12.37
    acetophenone 54.26
    methyl propionate 95.99
    isopentyl acetate 40.87
    trichloroethylene 98.22
    n-nonanol 56.4
    cyclohexanol 94.77
    benzyl alcohol 56.35
    2-ethylhexanol 49.22
    isooctanol 48.09
    dipropyl ether 88.2
    1,2-dichlorobenzene 34.79
    ethyl lactate 59.24
    propylene carbonate 70.07
    n-methylformamide 264.54
    2-pentanol 117.71
    n-pentane 57.31
    1-propoxy-2-propanol 113.53
    1-methoxy-2-propyl acetate 68.83
    2-(2-methoxypropoxy) propanol 84.69
    mesitylene 32.94
    ε-caprolactone 73.82
    p-cymene 32.1
    epichlorohydrin 133.34
    1,1,1-trichloroethane 68.13
    2-aminoethanol 198.25
    morpholine-4-carbaldehyde 225.04
    sulfolane 249.25
    2,2,4-trimethylpentane 19.37
    2-methyltetrahydrofuran 131.33
    n-hexyl acetate 54.97
    isooctane 15.72
    2-(2-butoxyethoxy)ethanol 99.73
    sec-butyl acetate 33.4
    tert-butyl acetate 70.55
    decalin 12.09
    glycerin 192.06
    diglyme 162.7
    acrylic acid 99.64
    isopropyl myristate 35.78
    n-butyric acid 87.63
    acetyl acetate 47.55
    di(2-ethylhexyl) phthalate 32.94
    ethyl propionate 55.69
    nitromethane 206.99
    1,2-diethoxyethane 75.1
    benzonitrile 44.48
    trioctyl phosphate 32.8
    1-bromopropane 89.14
    gamma-valerolactone 145.01
    n-decanol 46.66
    triethyl phosphate 39.87
    4-methyl-2-pentanol 67.35
    propionitrile 100.59
    vinylene carbonate 61.88
    1,1,2-trichlorotrifluoroethane 126.92
    DMS 49.87
    cumene 23.06
    2-octanol 53.24
    2-hexanone 56.91
    octyl acetate 41.82
    limonene 43.03
    1,2-dimethoxyethane 242.09
    ethyl orthosilicate 40.18
    tributyl phosphate 31.63
    diacetone alcohol 109.91
    N,N-dimethylaniline 67.04
    acrylonitrile 115.28
    aniline 64.67
    1,3-propanediol 185.09
    bromobenzene 26.92
    dibromomethane 114.32
    1,1,2,2-tetrachloroethane 115.59
    2-methyl-cyclohexyl acetate 41.2
    tetrabutyl urea 54.0
    diisobutyl methanol 44.07
    2-phenylethanol 53.1
    styrene 25.05
    dioctyl adipate 41.99
    dimethyl sulfate 137.34
    ethyl butyrate 51.42
    methyl lactate 101.97
    butyl lactate 52.5
    diethyl carbonate 38.13
    propanediol butyl ether 93.72
    triethyl orthoformate 46.66
    p-tert-butyltoluene 34.98
    methyl 4-tert-butylbenzoate 77.03
    morpholine 175.71
    tert-butylamine 183.46
    n-dodecanol 38.7
    dimethoxymethane 337.34
    ethylene carbonate 54.95
    cyrene 82.29
    2-ethoxyethyl acetate 54.38
    2-ethylhexyl acetate 34.23
    1,2,4-trichlorobenzene 39.81
    4-methylpyridine 79.87
    dibutyl ether 48.15
    2,6-dimethyl-4-heptanol 44.07
    DEF 149.68
    dimethyl isosorbide 111.69
    tetrachloroethylene 91.74
    eugenol 78.16
    triacetin 57.19
    span 80 70.31
    1,4-butanediol 90.15
    1,1-dichloroethane 93.9
    2-methyl-1-pentanol 60.53
    methyl formate 171.61
    2-methyl-1-butanol 97.2
    n-decane 17.29
    butyronitrile 87.13
    3,7-dimethyl-1-octanol 50.3
    1-chlorooctane 36.49
    1-chlorotetradecane 19.78
    n-nonane 17.7
    undecane 13.89
    tert-butylcyclohexane 12.3
    cyclooctane 18.16
    cyclopentanol 123.24
    tetrahydropyran 112.38
    tert-amyl methyl ether 108.98
    2,5,8-trioxanonane 133.96
    1-hexene 47.25
    2-isopropoxyethanol 108.16
    2,2,2-trifluoroethanol 87.61
    methyl butyrate 64.75

    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