Agent Name

Thorium tetrafluoride

CAS Number

13709-59-6

Formula

F4-Th

Major Category

Physical/Radiation

Synonyms

Thorium fluoride (ThF4), (T-4)-; [ChemIDplus] UN2910

Category

Radioactive Compounds

Description

Off-white powder; [Alfa Aesar MSDS]

Comments

Causes burns; Harmful by ingestion, inhalation, and skin absorption; [Alfa Aesar MSDS] See "Thorium." See "Radiation, ionizing." See "FLUORIDES."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, inhalable fraction, as F

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Radioactive material, excepted package, limited quantity of material."

Adverse Effects
Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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