Agent Name

Uranium tetrafluoride

CAS Number

10049-14-6

Formula

F4-U

Major Category

Physical/Radiation

Synonyms

Uranium fluoride (U2F8); Uranium fluoride (UF4) [ChemIDplus]

Category

Radioactive Compounds

Description

Green crystals; [Merck Manual]

Comments

See "Uranium" and linked occupational diseases.

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.) Uranium in urine = 200 ug/L at end of shift;

TLV (ACGIH)

0.2 mg/m3, as U (2.5 mg/m3, as F)

STEL (ACGIH)

0.6 mg/m3, as U

PEL (OSHA)

0.05 mg/m3, as U (sol), 0.25 mg/m3, as U (insol) [2.5 mg/m3, as F]

MAK

1 mg/m3, as F, inhalable fraction

IDLH (NIOSH)

10 mg/m3, as U

Explanatory Notes

Insoluble in water; mp >1100 degrees C; [Merck Index]

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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Other Information

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