Cupric sulfide
Agent Name
Cupric sulfide
CAS Number
1317-40-4
Formula
Cu-S
Major Category
Metals
Synonyms
C.I. 77450; C.I. Pigment Blue 34; CI 77450; CI Pigment Blue 34; Copper Blue; Copper monosulfide; Copper sulfide (CuS); Copper(2+) sulfide; Copper(II) sulfide; Horace Vernet's Blue; Monocopper monosulfide; Natural covellite; Oil Blue; [ChemIDplus]
Category
Metals, Inorganic Compounds
Description
Black solid; [Merck Index]
Sources/Uses
Occurs in nature as the mineral covellite; [Merck Index] Used in antifouling paints, mixed catalysts, and to develop aniline black dyes in textile printing; Also used as a varnish pigment, oxidizing agent, component of solid state electrodes, and thin-film solar cell with cadmium sulfide; [HSDB]
Comments
May decompose on exposure to moisture; May cause irritation; [MSDSonline] See "Copper."
Biomedical References
Exposure Assessment
TLV (ACGIH)
1 mg/m3, as Cu
PEL (OSHA)
1 mg/m3, as Cu
MAK
0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds)
IDLH (NIOSH)
100 mg/m3, as Cu
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: