Barium hydroxide

Agent Name
Barium hydroxide
CAS Number
17194-00-2
Formula
Ba-H2-O2
Major Category
Metals
Barium hydroxide formula graphical representation
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."
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
The Guide in the Emergency Response Guidebook is for "Barium compound, n.o.s."

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Processes