Agent Name

Zirconium fluoride

CAS Number

7783-64-4

Formula

F4-Zr

Major Category

Metals

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."

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

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

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: