Ammonium diuranate

Agent Name
Ammonium diuranate
CAS Number
7783-22-4
Formula
H8-N2.O7-U2
Major Category
Physical/Radiation
Synonyms
Incorrectly called "uranium yellow"; Sodium uranate is the true uranium yellow; [Merck Index #565] Ammonium uranate(VI); Ammonium uranate; Diammonium diuranate; Diammonium diuranium pentaoxide; Yellowcake; [ChemIDplus]
Category
Radioactive Compounds
Description
Red-yellow powder soluble in acids and ammonium carbonate solution; [Merck Index #565]
Sources/Uses
Used as a black pigment to paint porcelain; Also used as a chemical reagent for alkaloids and in the production of UO2 and UF4; [Merck Index #565]
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
Practically insoluble in water; [Merck Index]

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: