Zirconium fluoride

Agent Name
Zirconium fluoride
CAS Number
7783-64-4
Formula
F4-Zr
Major Category
Metals
Zirconium fluoride formula graphical representation
Synonyms
Zirconium fluoride (ZrF4), (T-4)-; Zirconium fluoride (ZrF4), (beta-4)-; Zirconium tetrafluoride; [ChemIDplus] Zirconium (IV) fluoride; [MSDSonline]
Category
Metals, Inorganic Compounds
Description
White solid; [Hawley] White powder; [MSDSonline]
Sources/Uses
Used in nuclear reactors; [Hawley] Used to make fluoride glass, e.g., ZBLAN; [Ullmann]
Comments
A strong irritant; [Hawley] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline] See "Zirconium."
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)
5 mg/m3, as Zr (2.5 mg/m3, as F)
STEL (ACGIH)
10 mg/m3, as Zr (2.5 mg/m3, as F)
PEL (OSHA)
5 mg/m3, as Zr (2.5 mg/m3, as F)
MAK
1 mg/m3,inhalable fraction, as F
IDLH (NIOSH)
25 mg/m3, as Zr

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: