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

MSDS

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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

LEAD TETRAFLUORIDE(7783-59-7)Related Product Information

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