Agent Name
Barium hydroxide
Synonyms
Barium hydroxide (Ba(OH)2); Barium dihydroxide; Barium hydroxide lime; Caustic baryta; [ChemIDplus] UN1564
Category
Metals, Inorganic Compounds
Description
White solid; [HSDB] Fine white crystals; Soluble in water; [MSDSonline]
Sources/Uses
Used as a vulcanizing agent (synthetic rubber), corrosion inhibitor, drilling fluid additive, boiler scale remedy; motor oil additive, plastics stabilizer, pigment dispersant, and papermaking additive; Also used to refine animal and vegetable oils, to soften water; to protect limestone objects from deterioration, and to manufacture alkali and glass; [HSDB]
Comments
Aqueous solutions may cause severe burns to eyes and skin irritation; [HSDB] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline] See "Barium."
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
The Guide in the Emergency Response Guidebook is for "Barium compound, n.o.s."
Processes
Industrial Processes with risk of exposure: