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."

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

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: