Selenourea
Agent Name
Selenourea
CAS Number
630-10-4
Formula
C-H4-N2-Se
Major Category
Nitrogen Compounds
Synonyms
2-Selenourea; Carbamimidoselenoic acid; Selenouronium; Urea, seleno-; [ChemIDplus] UN3283
Category
Urea Compounds
Description
Solid; [HSDB] White crystalline solid; [Alfa Aesar MSDS]
Sources/Uses
Used as experimental radioprotective agent; [HSDB] Used to make metallic selenides for semiconductor materials; [EPA]
Comments
A strong eye, nose, and throat irritant; Emergency treatment: "Selenium"; [HSDB] An irritant; [Alfa Aesar MSDS] See "Selenium."
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.2 mg/m3, as Se
PEL (OSHA)
0.2 mg/m3, as Se
IDLH (NIOSH)
1 mg/m3, as Se
Vapor Pressure
1.87 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Selenium compound, solid, n.o.s." VP from ChemIDplus;
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: