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Barium oxide Structure

Barium oxide

Chemical Properties

Melting point 1920 °C
Boiling point 2000 °C
Density  5.72 g/mL at 25 °C(lit.)
refractive index  1.98
solubility  soluble in dilute acid solutions, ethanol; insoluble in acetone
form  Powder
Specific Gravity 5.72
color  Light yellow-greenish to grayish
Water Solubility  Sparingly soluble in water. Soluble in ethanol, dilute mineral acids and alkali.
Sensitive  Moisture Sensitive
Merck  14,986
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
Stability Stable. Incompatible with strong acids, water. Protect from moisture.
CAS DataBase Reference 1304-28-5(CAS DataBase Reference)
EPA Substance Registry System Barium oxide (1304-28-5)

Safety Information

Hazard Codes  T
Risk Statements  20-25-34
Safety Statements  26-36/37/39-45
RIDADR  UN 1884 6.1/PG 3
WGK Germany  1
RTECS  CQ9800000
3-9-34
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  28164000
Toxicity mouse,LD50,intraperitoneal,146mg/kg (146mg/kg),Current Toxicology. Vol. 1, Pg. 39, 1993.

MSDS

Usage And Synthesis

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