LEAD TETRAFLUORIDE
- CAS NO.：7783-59-7
- Empirical Formula: F4Pb
- Molecular Weight: 283.19
- MDL number: MFCD00016278
- EINECS: 232-012-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-10-17 17:11:47
What is LEAD TETRAFLUORIDE?
Chemical properties
WHITE TO BEIGE CRYSTALS
Chemical properties
Like all the lead tetrahalides, lead tetrafluoride [CAS: 7783-59-7], PbF4, is very reactive. It is relatively the most stable halide, however. PbF4 is a white crystalline powder, which is highly moisture sensitive, turning yellowish brown in moist air owing to hydrolysis. It should be handled in a dry box or under an atmosphere of dry nitrogen.
Physical properties
White tetragonal crystals; density 6.7 g/cm3; melts at about 600°C; hydrolyzes readily when exposed to moist air.
The Uses of LEAD TETRAFLUORIDE
Has been proposed as a fluorinating agent for hydrocarbons.
Preparation
The tetrafluoride is obtained by fluorination of lead difluoride. The method involves passing a mixture of fluorine and nitrogen or carbon dioxide over lead difluoride at 300°C.
PbF2 + F2 → PbF4
Definition
ChEBI: Lead tetrafluoride is a lead coordination entity. It derives from a hydride of a plumbane.
Properties of LEAD TETRAFLUORIDE
| Melting point: | 600 °C |
| Density | 6,7 g/cm3 |
| form | Crystalline |
| color | white tetragonal crystals, crystalline; hygroscopic |
| Sensitive | Moisture Sensitive |
| Exposure limits | ACGIH: TWA 0.05 mg/m3; TWA 2.5 mg/m3 NIOSH: IDLH 100 mg/m3; IDLH 250 mg/m3; TWA 0.050 mg/m3 |
Safety information for LEAD TETRAFLUORIDE
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H332:Acute toxicity,inhalation H360:Reproductive toxicity 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 |
P201:Obtain special instructions before use. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 LEAD TETRAFLUORIDE
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