Agent Name

Tellurium dioxide

CAS Number

7446-07-3

Formula

O2-Te

Major Category

Metals

Synonyms

Tellurium oxide; [ChemIDplus] Tellurium (IV) oxide; [MSDSonline]

Category

Metalloid Compounds (Tellurium)

Description

White solid; [Merck Index] White odorless powder; [MSDSonline]

Sources/Uses

Occurs in the minerals tellurite and paratellurite and forms when tellurium is burned in air; Used as an organic catalyst, a vulcanizing agent, and in the production of chalcogenide glasses; Also used in acousto-optic detectors; [Ullmann]

Comments

An irritant; [MSDSonline] See "Tellurium."

Exposure Assessment
TLV (ACGIH)

0.1 mg/m3, as Te

PEL (OSHA)

0.1 mg/m3, as Te

IDLH (NIOSH)

25 mg/m3, as Te

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: