Agent Name

Sodium tellurite

CAS Number

10102-20-2

Formula

O3-Te.2Na

Major Category

Metals

Synonyms

Sodium tellurate; Sodium tellurate(IV); Telluric acid (H2TeO3), disodium salt; Tellurous acid, disodium salt; Disodium trioxotellurate; [ChemIDplus] UN3284

Category

Metalloid Compounds (Tellurium)

Description

White solid; [Merck Index] White powder; [MSDSonline] Soluble in hot water; [Sax]

Sources/Uses

Used in bacteriology; [Hawley]

Comments

Highly toxic by ingestion and skin absorption; [CAMEO] Two fatal cases were reported in which sodium tellurite, instead of sodium iodide, was accidentally injected by retrograde pyelography at a dose of about 30 mg/kg; Oral LD50 (rat) = 20 mg/kg; [HSDB] 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

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Tellurium compound, n.o.s."

Half Life

Biological half-time = about 3 weeks; [HSDB]

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.