Tantalum pentafluoride
Agent Name
Tantalum pentafluoride
CAS Number
7783-71-3
Formula
F5-Ta
Major Category
Metals
Synonyms
Tantalum fluoride; [ChemIDplus] Tantalum(V) fluoride; [Sigma-Aldrich MSDS] UN3260
Category
Metals, Inorganic Compounds
Description
Deliquescent refractive solid; [Merck Index] Off-white powder; [Sigma-Aldrich MSDS]
Sources/Uses
Used as a Friedel-Crafts catalyst; [Merck Index]
Comments
Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See "Tantalum, metal and tantalum oxide, dust." See "Tantalum pentachloride."
Biomedical References
Exposure Assessment
BEI
Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)
TLV (ACGIH)
2.5 mg/m3
PEL (OSHA)
2.5 mg/m3
MAK
1 mg/m3
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, inorganic, n.o.s."
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.