Uranium trioxide
Agent Name
Uranium trioxide
CAS Number
1344-58-7
Formula
O3-U
Major Category
Physical/Radiation
Synonyms
Uranic oxide; Red uranium oxide; [Merck Index #9860] Uranyl oxide; Orange oxide; [ATSDR ToxProfiles]
Category
Radioactive Compounds
Description
Yellow-red solid; [ATSDR ToxProfiles]
Comments
See "Uranium" and linked occupational diseases.
Biomedical References
Exposure Assessment
BEI
Uranium in urine = 200 ug/L at end of shift; [ACGIH]
TLV (ACGIH)
0.2 mg/m3, as U
STEL (ACGIH)
0.6 mg/m3, as U
PEL (OSHA)
0.05 mg/m3, as U (sol), 0.25 mg/m3, as U (insol)
IDLH (NIOSH)
10 mg/m3, as U
Explanatory Notes
Melting point - decomposes; Insoluble in water; Soluble in HNO3 and HCl; [ATSDR ToxProfiles]
ERPG-1
Insufficient data
ERPG-2
0.5 mg/m3
ERPG-3
3 mg/m3
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.