Melting point :500 °C (dec.)(lit.)
Density :11,14 g/cm³
storage temp. :Poison room
solubility :Aqueous Acid (Slightly), Methanol (Very Slightly)
form :Powder
Specific Gravity :11.14
color :Yellow to orange
Odor :Odorless
Water Solubility :Partially soluble in water. insoluble in alcohol, ether, acetone and ammonia.
Merck :14,5882
Stability :Stable. Sensitive to light. Incompatible with strong oxidizing agents, strong reducing agents, combustible materials, organic materials, phenols.
CAS DataBase Reference :21908-53-2(CAS DataBase Reference)
NIST Chemistry Reference :Mercury(ii) oxide(21908-53-2)
EPA Substance Registry System :Mercuric oxide (21908-53-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P262 Do not get in eyes, on skin, or on clothing. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection.