MERCURY(II) FLUORIDE
Synonym(s):Mercuric fluoride
- CAS NO.：7783-39-3
- Empirical Formula: F2Hg
- Molecular Weight: 238.59
- MDL number: MFCD00016139
- EINECS: 231-994-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-31 15:20:17
What is MERCURY(II) FLUORIDE?
Chemical properties
yellow to pink powder
The Uses of MERCURY(II) FLUORIDE
Mercury(II) fluoride is a selective fluorination agent. Organic compounds, such as triphenylacetic acid, triphenyl ethylene, and triethyl phosphite can be selectively fluorinated in dimethylsulfoxide/HgF 2 solutions under UV-visible illumination. CF2I2 was synthesized by fluorination of tetraiodomethane with mercury(II) fluoride and purified.
The Uses of MERCURY(II) FLUORIDE
Synthesis of organic fluorine compounds.
Preparation
Mercury(II) fluoride, HgF2, is most commonly prepared through the reaction of mercury(II) oxide with hydrogen
fluoride.
HgO + 2HF→HgF2 + H2O
It can also be produced through the fluorination of mercury(II) chloride.
HgCl2 + F2→HgF2 + Cl2
Hazard
Highly toxic by ingestion, inhalation, and skin absorption; strong irritant.
Properties of MERCURY(II) FLUORIDE
| Melting point: | 645 °C |
| Boiling point: | bp >650° |
| Density | 8.95 |
| storage temp. | Poison room |
| solubility | reacts with H2O |
| form | Crystalline |
| color | Yellow |
| Specific Gravity | 8.95 |
| Water Solubility | Decomposes in water |
| Sensitive | Moisture Sensitive |
| Merck | 14,5878 |
| 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; Ceiling 0.1 mg/m3 |
| CAS DataBase Reference | 7783-39-3(CAS DataBase Reference) |
| EPA Substance Registry System | Mercury fluoride (HgF2) (7783-39-3) |
Safety information for MERCURY(II) FLUORIDE
| Signal word | Danger |
| 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 |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P262:Do not get in eyes, on skin, or on clothing. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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(II) FLUORIDE
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