Agent Name

Hafnium dioxide

CAS Number

12055-23-1

Formula

Hf-O2

Major Category

Metals

Synonyms

Hafnia; Hafnotrast; Hafnium oxide (HfO2); [ChemIDplus] Hafnium(IV) oxide; [Alfa Aesar MSDS]

Category

Metals, Inorganic Compounds

Description

Off-white odorless powder; [Alfa Aesar MSDS]

Comments

Low acute oral toxicity in mice; Mild changes in the tissue of the lungs and liver observed in repeated-dose oral studies of guinea pigs; [HSDB] Contains < 0.2% zirconium oxide; Powder causes eye irritation; [Alfa Aesar MSDS] See "Hafnium."

Exposure Assessment
TLV (ACGIH)

0.5 mg/m3, as Hf

PEL (OSHA)

0.5 mg/m3, as Hf

IDLH (NIOSH)

50 mg/m3, as Hf

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.