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MERCURY(I) FLUORIDE

MERCURY(I) FLUORIDE Structure
MERCURY(I) FLUORIDE
  • CAS No.13967-25-4
  • Chemical Name:MERCURY(I) FLUORIDE
  • CBNumber:CB0426842
  • Molecular Formula:F2Hg2
  • Formula Weight:439.18
  • MOL File:13967-25-4.mol
MERCURY(I) FLUORIDE Property
  • Melting point 570°C
  • Boiling point decomposes at 570℃ [MER06]
  • Density 8.73 g/mL at 25 °C(lit.)
  • solubility reacts with H2O
  • form Powder
  • color white
  • Specific Gravity 8.73
  • Water Solubility Hydrolyzes in water
  • Solubility Product Constant (Ksp) pKsp: 5.51
  • Exposure limits ACGIH: TWA 0.025 mg/m3; TWA 2.5 mg/m3 (Skin)
    NIOSH: IDLH 10 mg/m3; IDLH 250 mg/m3; TWA 0.05 mg/m3; TWA 2.5 mg/m3; Ceiling 0.1 mg/m3
  • CAS DataBase Reference 13967-25-4(CAS DataBase Reference)
  • FDA UNII 5Q0756885Y
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements H300-H310-H330-H373-H400-H410
  • Precautionary statements P301+P310a-P304+P340-P320-P330-P405-P501a

MERCURY(I) FLUORIDE Chemical Properties,Usage,Production

  • Description Mercury(I) fluoride or mercurous fluoride, Hg2F2, consists of small yellow cubic crystals, which turn black when exposed to light. Mercury(I) fluoride is formed by the reaction of mercury(I) carbonate with hydrofluoric acid.
    Hg2CO3 + 2HF→Hg2F2 +CO2 +H2O
  • Chemical Properties small, yellow cub crystal(s); blackens in light; preparation by reaction of Hg2CO3 and HF [MER06]
  • Uses Mercury(I) fluoride is used as antiseptic. It is used in the Swarts reaction to convert alkyl halides into alkyl fluorides.
  • Preparation The wet Hg2CO3 is added in small portions and with constant stirring to 40% hydrofluoric acid solution contained in a platinum dish. A yellow powder of Hg2F2 settles out. The addition of Hg2CO3 is continued as long as CO2 is vigorously evolved; the highly dilute supernatant hydrofluoric acid is then poured off and a new portion of 40% hydrofluoric acid solution is added. The resulting mixture is evaporated to dryness on a water bath. The product is then pulverized and heated for 2-3 hours in a drying oven at 120-150°C. The product is then immediately poured into copper containers and vacuum-sealed.
MERCURY(I) FLUORIDE Preparation Products And Raw materials
Raw materials
Preparation Products
MERCURY(I) FLUORIDE Suppliers
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MERCURY(I) FLUORIDE Spectrum
13967-25-4, MERCURY(I) FLUORIDERelated Search:
  • metal halide
  • 2F2Hg
  • Hg2F2
  • F2Hg2
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