Uranyl nitrate

Agent Name
Uranyl nitrate
CAS Number
10102-06-4
Formula
N2-O8-U
Major Category
Physical/Radiation
Uranyl nitrate formula graphical representation
Synonyms
Bis(nitrato)dioxouranium; Dinitratodioxouranium; UNH; Uranium nitrate oxide (UO2(NO3)2); Uranium oxynitrate; Uranium, bis(nitrato-O)dioxo-; Uranium, bis(nitrato-O,O')dioxo- (solid); Uranium, dinitratodioxo-; Uranyl dinitrate; Uranyl nitrate (UO2(NO3)2); Yellow salt; UN2981; [ChemIDplus]
Category
Radioactive Compounds
Description
Yellow crystals that are luminescent when crushed; [Merck Index]
Sources/Uses
Used in photography as an intensifier; Also used as a ceramic glaze and a chemical reagent; [Merck Index] Used as a source of uranium dioxide; [Hawley]
Comments
Melting point = 60 degrees C; Soluble in water, alcohol, and ether; May explode if exposed to sunlight; [Merck Index] In experiments performed on human volunteers IV injections of 70-100 ug/kg produced proteinuria. Uranium was eliminated mainly through the urine with 70-85% excreted in the first 24 hours. Nitrate compounds can cause methemoglobinemia. Emits toxic nitrogen oxides when heated to decomposition; [HSDB] "Produces toxic oxides of nitrogen when involved in fires." [CAMEO] See Uranyl nitrate hexahydrate." 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

Adverse Effects

Methemoglobinemia
MetHgb is secondary toxic effect

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: