Agent Name

Thallium iodide

CAS Number

7790-30-9

Formula

I-Tl

Major Category

Metals

Synonyms

Thallium iodide (TlI), dimer; Thallium monoiodide; Thallium(1+) iodide; Thallium(I) iodide; Thallous iodide; [ChemIDplus] UN1707

Category

Metals, Inorganic Compounds

Description

Yellow solid; Nearly insoluble in water; [Merck Index] Yellow powder; [Aldrich MSDS] Insoluble in water; [Alfa Aesar MSDS]

Sources/Uses

Used as infrared radiation transmitter (crystals mixed with thallium bromide); [Hawley]

Comments

Poisonous; [Merck Index] Caused muscle weakness and lowered blood pressure in an oral toxic-dose study of men; [RTECS] May be decomposed by light; May cause irritation and blindness; May be fatal by inhalation and ingestion; Danger of cumulative effects; Targets kidneys, cardiovascular system, skin, liver, male reproductive system, nerves, and eyes; [Aldrich MSDS] See "Thallium" and the linked occupational disease.

Exposure Assessment
TLV (ACGIH)

0.01 ppm, inhalable fraction and vapor (iodides)

Explanatory Notes

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

Adverse Effects
Neurotoxin

Sensorimotor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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