Cuprous selenide
Agent Name
Cuprous selenide
CAS Number
20405-64-5
Formula
Cu2-Se
Major Category
Metals
Synonyms
Copper selenide (Cu2Se); Dicopper selenide; [ChemIDplus] Copper (I) selenide; [MSDSonline]
Category
Metals, Inorganic Compounds
Description
Blue-black to black solid with metallic luster; [Merck Index] Black lumps; [MSDSonline]
Sources/Uses
Found as the mineral berzelianite; Used in semiconductors; [Merck Index]
Comments
An irritant; [MSDSonline] See "Selenium."
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.2 mg/m3, as Se
PEL (OSHA)
0.2 mg/m3, as Se
MAK
0.02 mg/m3, inhalable fraction, as Se (0.01 mg/m3, respirable fraction-Cu, inorganic cmpnds)
IDLH (NIOSH)
1 mg/m3, as Se
Adverse Effects
Neurotoxin
Other CNS neurotoxin
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Reproductive Toxin
Yes
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: