LEAD TETRAFLUORIDE
LEAD TETRAFLUORIDE Basic information
- Product Name:
- LEAD TETRAFLUORIDE
- Synonyms:
-
- LEAD(IV) FLUORIDE
- LEAD TETRAFLUORIDE
- PbF4
- Plumbane, tetrafluoro-
- Lead Tetrafluride
- tetrafluoroplumbane
- Lead(IV)fluoride,99%
- Lead(IV) fluoride 99%
- CAS:
- 7783-59-7
- MF:
- F4Pb
- MW:
- 283.19
- EINECS:
- 232-012-9
- Mol File:
- 7783-59-7.mol
LEAD TETRAFLUORIDE Chemical Properties
- 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
- Hazard Codes
- N-T,T,O
- Risk Statements
- 62-61-50/53-33-20/22
- Safety Statements
- 61-60-53-45
- RIDADR
- 2291
- Hazard Note
- Highly Toxic/Oxidising Agent
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 28261990
LEAD TETRAFLUORIDE Usage And Synthesis
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.
Uses
Has been proposed as a fluorinating agent for hydrocarbons.
Definition
ChEBI: Lead tetrafluoride is a lead coordination entity. It derives from a hydride of a plumbane.
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
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