Hafnium tetrafluoride
Agent Name
Hafnium tetrafluoride
CAS Number
13709-52-9
Formula
F4-Hf
Major Category
Metals
Synonyms
Hafnium (IV) fluoride; [Alfa Aesar MSDS]
Category
Metals, Inorganic Compounds
Description
White powder; [Alfa Aesar MSDS]
Comments
Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Toxic by ingestion, inhalation, and skin absorption; [Alfa Aesar MSDS] See "Hafnium." See "Zirconium fluoride."
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)
0.5 mg/m3, as Hf (2.5 mg/m3, as F)
PEL (OSHA)
0.5 mg/m3, as Hf (2.5 mg/m3, as F)
MAK
1 mg/m3, inhalable fraction, as F
IDLH (NIOSH)
50 mg/m3, as Hf
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.