MERCURY(I) FLUORIDE
- CAS NO.：13967-25-4
- Empirical Formula: F2Hg2
- Molecular Weight: 439.18
- MDL number: MFCD00016136
- EINECS: 237-747-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:42:21
What is MERCURY(I) FLUORIDE?
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]
The Uses of MERCURY(I) FLUORIDE
Mercury(I) fluoride is used as antiseptic. It is used in the Swarts reaction to convert alkyl halides into alkyl fluorides.
Properties of MERCURY(I) FLUORIDE
| 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) |
Safety information for MERCURY(I) FLUORIDE
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H300:Acute toxicity,oral H310:Acute toxicity,dermal H330:Acute toxicity,inhalation H373:Specific target organ toxicity, repeated exposure H400:Hazardous to the aquatic environment, acute hazard H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P320:Specific treatment is urgent (see … on this label). P330:Rinse mouth. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P405:Store locked up. |
Computed Descriptors for MERCURY(I) FLUORIDE
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