Agent Name

Zirconium carbide

CAS Number

12070-14-3

Formula

C-Zr

Major Category

Metals

Synonyms

Zirconium carbide (ZrC); [ChemIDplus] UN3178

Category

Metals, Inorganic Compounds

Description

Grey solid; [Hawley] Grey odorless powder; [MSDSonline]

Sources/Uses

Used in incandescent filaments, abrasives, cermets, high-temperature electrical conductors, refractories, and coatings for cutting tools; [Hawley]

Comments

Powder or dust may spontaneously ignite; [Hawley] An irritant; [MSDSonline] See "CARBIDES." See "Zirconium."

Exposure Assessment
TLV (ACGIH)

5 mg/m3, as Zr

STEL (ACGIH)

10 mg/m3, as Zr

PEL (OSHA)

5 mg/m3, as Zr (compounds)

MAK

1 mg/m3, inhalable fraction (metal and insol. cmpds.)

IDLH (NIOSH)

25 mg/m3, as Zr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable solid, inorganic, n.o.s."

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: