Melting point :450 °C
Boiling point :losesO2 at 800°C
Density :4,96 g/cm³
Flash point :21 °C
solubility :reacts with dilute acid solutions
form :Powder
Specific Gravity :4.96
color :White
PH :12 (20°C, 10g/L in H2O, slurry)
Odor :Odorless
Water Solubility :Insoluble in water
Sensitive :Moisture Sensitive
Merck :14,989
Stability :Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with organic materials, combustible materials, reducing agents, most common metals.
LogP :-0.425 (est)
CAS DataBase Reference :1304-29-6(CAS DataBase Reference)
EPA Substance Registry System :Barium peroxide (Ba(O2)) (1304-29-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2 Category 3 Danger Warning P210, P220, P221P280, P370+P378,P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.