Lead fluoride

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  • Identifiers

    CAS number
    7783-46-2

    Molecular formula
    F2Pb

    SMILES
    F[Pb]F

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Odorless 44.09%
    Fishy 40.03%
    Sulfurous 39.51%
    Meaty 34.7%
    Cheesy 28.31%
    Ripe 24.5%
    Savory 23.93%
    Onion 22.22%
    Vegetable 21.62%
    Cooked 20.97%

     

  • Properties

    pKa est.
    -25.69 (strong acid)

    Molecular weight
    245.0 g/mol

    Melting point expt.

    • 830 °C

    Boiling point

    • 1293 °C

    Flash point

    • -26.53 ˚C est.

    Solubility expt.

    • Dimorphous: orthorhombic, converted to cubic above 316 °C; Solubility increases in the presence of nitric acid or nitrates
    • Sol in nitric acid, insol in acetone, ammonia
    • In water: 0.057 g/100 mL at 0 °C; 0.065 g/100 mL at 20 °C

  • Synonyms

    • Lead fluoride
    • Lead(II) fluoride
    • 7783-46-2
    • difluorolead
    • Lead difluoride
    • Plumbous fluoride
    • Lead(+2) fluoride
    • Plomb fluorure
    • Plomb fluorure [French]
    • HSDB 6288
    • EINECS 231-998-8
    • PbF2
    • MFCD00011162
    • 291824BBS4
    • Plomb fluorure (French)
    • UNII-291824BBS4
    • Fluoruro de plomo
    • LEAD(2+) FLUORIDE
    • Fluoruro de plomo (Spanish)
    • LEAD DIFLUORIDE (PBF2)
    • Lead(II) fluoride, Puratronic?
    • DTXSID60896961
    • Hydrofluoric acid, lead(II) salt
    • DTXCID701326393
    • Hydrofluoric acid, lead(2+) salt
    • AKOS015902450
    • Lead(II) fluoride, powder, >=99%
    • Lead(II) fluoride, 99.99% trace metals basis
    • Q419690
    • 231-998-8

  • Applications

    Lead fluoride (PbF2, CAS 7783-46-2) is primarily used in electronics and radiation-detection instrumentation as a fast, inorganic crystal material; in particular, PbF2 crystals serve as Cherenkov radiators in electromagnetic calorimeters and other detector components in high-energy physics experiments. It is also employed in research and development as a material for crystal growth and spectroscopy studies, where its optical properties are investigated for niche photonics and detector applications in laboratory settings. Additionally, PbF2 can function as a precursor or target material in the synthesis of fluoride-based optical crystals and related inorganic compounds for specialized photonic uses. These applications are typically limited to laboratory or prototype contexts and are subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1104.27
    methanol 1313.43
    isopropanol 1050.91
    water 196.22
    ethyl acetate 596.02
    n-propanol 810.79
    acetone 1512.25
    n-butanol 785.7
    acetonitrile 958.69
    DMF 2999.35
    toluene 414.41
    isobutanol 644.85
    1,4-dioxane 1171.91
    methyl acetate 650.59
    THF 1994.2
    2-butanone 779.92
    n-pentanol 621.6
    sec-butanol 771.26
    n-hexane 221.58
    ethylene glycol 701.93
    NMP 1716.12
    cyclohexane 236.27
    DMSO 3002.19
    n-butyl acetate 406.82
    n-octanol 454.29
    chloroform 1085.43
    n-propyl acetate 486.49
    acetic acid 1103.5
    dichloromethane 1098.61
    cyclohexanone 822.58
    propylene glycol 612.02
    isopropyl acetate 495.47
    DMAc 1715.69
    2-ethoxyethanol 1029.06
    isopentanol 651.8
    n-heptane 199.64
    ethyl formate 578.41
    1,2-dichloroethane 858.21
    n-hexanol 532.3
    2-methoxyethanol 1652.05
    isobutyl acetate 315.82
    tetrachloromethane 388.54
    n-pentyl acetate 454.8
    transcutol 1383.55
    n-heptanol 454.34
    ethylbenzene 266.4
    MIBK 584.4
    2-propoxyethanol 964.76
    tert-butanol 1258.05
    MTBE 757.64
    2-butoxyethanol 715.25
    propionic acid 580.76
    o-xylene 356.6
    formic acid 777.43
    diethyl ether 857.75
    m-xylene 393.37
    p-xylene 306.99
    chlorobenzene 400.46
    dimethyl carbonate 545.36
    n-octane 118.62
    formamide 1052.23
    cyclopentanone 1199.77
    2-pentanone 822.17
    anisole 588.05
    cyclopentyl methyl ether 891.09
    gamma-butyrolactone 1114.08
    1-methoxy-2-propanol 1515.52
    pyridine 857.14
    3-pentanone 589.07
    furfural 1179.63
    n-dodecane 101.48
    diethylene glycol 981.4
    diisopropyl ether 413.37
    tert-amyl alcohol 819.25
    acetylacetone 918.16
    n-hexadecane 107.65
    acetophenone 535.0
    methyl propionate 636.37
    isopentyl acetate 345.13
    trichloroethylene 1092.93
    n-nonanol 407.08
    cyclohexanol 673.44
    benzyl alcohol 511.25
    2-ethylhexanol 329.56
    isooctanol 376.66
    dipropyl ether 534.42
    1,2-dichlorobenzene 407.79
    ethyl lactate 400.96
    propylene carbonate 615.31
    n-methylformamide 1244.8
    2-pentanol 728.05
    n-pentane 303.75
    1-propoxy-2-propanol 758.74
    1-methoxy-2-propyl acetate 513.38
    2-(2-methoxypropoxy) propanol 579.66
    mesitylene 325.17
    ε-caprolactone 660.58
    p-cymene 224.95
    epichlorohydrin 1142.78
    1,1,1-trichloroethane 784.16
    2-aminoethanol 804.84
    morpholine-4-carbaldehyde 1601.28
    sulfolane 1645.69
    2,2,4-trimethylpentane 150.75
    2-methyltetrahydrofuran 1050.26
    n-hexyl acetate 519.95
    isooctane 144.51
    2-(2-butoxyethoxy)ethanol 780.93
    sec-butyl acetate 332.18
    tert-butyl acetate 610.07
    decalin 126.4
    glycerin 899.53
    diglyme 1259.79
    acrylic acid 617.39
    isopropyl myristate 285.94
    n-butyric acid 697.84
    acetyl acetate 446.34
    di(2-ethylhexyl) phthalate 269.79
    ethyl propionate 451.58
    nitromethane 1531.27
    1,2-diethoxyethane 619.84
    benzonitrile 481.4
    trioctyl phosphate 242.14
    1-bromopropane 585.42
    gamma-valerolactone 1313.17
    n-decanol 335.45
    triethyl phosphate 250.9
    4-methyl-2-pentanol 462.78
    propionitrile 625.0
    vinylene carbonate 576.37
    1,1,2-trichlorotrifluoroethane 1037.05
    DMS 402.37
    cumene 223.17
    2-octanol 403.48
    2-hexanone 552.02
    octyl acetate 358.07
    limonene 318.04
    1,2-dimethoxyethane 1484.04
    ethyl orthosilicate 259.85
    tributyl phosphate 256.05
    diacetone alcohol 832.43
    N,N-dimethylaniline 552.64
    acrylonitrile 769.73
    aniline 548.35
    1,3-propanediol 921.88
    bromobenzene 396.4
    dibromomethane 838.73
    1,1,2,2-tetrachloroethane 997.11
    2-methyl-cyclohexyl acetate 313.09
    tetrabutyl urea 391.62
    diisobutyl methanol 308.44
    2-phenylethanol 440.23
    styrene 328.78
    dioctyl adipate 366.18
    dimethyl sulfate 905.12
    ethyl butyrate 376.97
    methyl lactate 613.84
    butyl lactate 434.28
    diethyl carbonate 271.41
    propanediol butyl ether 725.38
    triethyl orthoformate 324.0
    p-tert-butyltoluene 253.41
    methyl 4-tert-butylbenzoate 575.99
    morpholine 1267.85
    tert-butylamine 915.28
    n-dodecanol 286.45
    dimethoxymethane 1728.01
    ethylene carbonate 490.32
    cyrene 603.43
    2-ethoxyethyl acetate 516.7
    2-ethylhexyl acetate 290.82
    1,2,4-trichlorobenzene 478.98
    4-methylpyridine 849.88
    dibutyl ether 395.26
    2,6-dimethyl-4-heptanol 308.44
    DEF 1022.63
    dimethyl isosorbide 851.82
    tetrachloroethylene 763.23
    eugenol 637.72
    triacetin 482.95
    span 80 592.93
    1,4-butanediol 544.23
    1,1-dichloroethane 793.53
    2-methyl-1-pentanol 471.05
    methyl formate 970.69
    2-methyl-1-butanol 583.35
    n-decane 140.58
    butyronitrile 638.4
    3,7-dimethyl-1-octanol 364.31
    1-chlorooctane 298.34
    1-chlorotetradecane 170.93
    n-nonane 139.72
    undecane 115.98
    tert-butylcyclohexane 135.02
    cyclooctane 129.53
    cyclopentanol 842.18
    tetrahydropyran 901.4
    tert-amyl methyl ether 643.8
    2,5,8-trioxanonane 987.09
    1-hexene 402.22
    2-isopropoxyethanol 750.4
    2,2,2-trifluoroethanol 570.01
    methyl butyrate 546.98

    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