Agent Name

Hafnium oxychloride octahydrate

CAS Number

14456-34-9

Formula

Cl2-Hf-O.8H2-O

Major Category

Metals

Synonyms

Dichlorooxohafnium octahydrate; Hafnium chloride oxide octahydrate; [ChemIDplus] Hafnium dichloride oxide octahydrate; [Alfa Aesar MSDS] UN3260

Category

Metals, Inorganic Compounds

Description

White hygroscopic powder with a pungent odor; [Alfa Aesar MSDS]

Comments

Causes ulceration or bleeding from the stomach in oral lethal-dose studies of rats; [RTECS] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Alfa Aesar MSDS] See "Hafnium oxychloride."

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

Explanatory Notes

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

Adverse Effects
Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

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