Barium sulfide
Agent Name
Barium sulfide
CAS Number
21109-95-5
Formula
Ba-S
Major Category
Metals
Synonyms
Barium sulphide; [ChemIDplus] Barium monosulfide; Black ash; [Hawley] UN3134
Category
Metals, Inorganic Compounds
Description
Water-soluble, gray powder; [Hawley] Smells like rotten eggs; Hydrolyzes in water; [MSDSonline]
Sources/Uses
Used to remove hair and to make luminous paints, lithopone, and vulcanized rubber; [Merck Index] Used for dehiding, flame retarding, and as a paint additive; [Hawley] Used in metallic patinas; [www.ci.tucson.az.us/arthazards/medium.html]
Comments
Harmful by ingestion and inhalation; [ESIS] Reacts with acid to form hydrogen sulfide; [www.ci.tucson.az.us/arthazards/medium.html] Contact with acid liberates toxic gas; [MSDSonline] See"Barium."
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.5 mg/m3, as Ba
PEL (OSHA)
0.5 mg/m3, as Ba
MAK
0.5 mg/m3, as Ba, inhalable fraction (soluble compds)
IDLH (NIOSH)
50 mg/m3, as Ba
Explanatory Notes
ERG guide is for "Water-reactive solid, toxic, n.o.s."
Adverse Effects
Nephrotoxin
Yes
ACGIH Carcinogen
Not Classifiable
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure:
Activities
Activities with risk of exposure: