Melting point :-38.9 °C
Boiling point :356.6 °C(lit.)
Density :13.54
vapor density :7 (vs air)
vapor pressure :<0.01 mm Hg ( 20 °C)
storage temp. :Poison room
solubility :H₂O: soluble
form :Triple Distilled Liquid
Specific Gravity :13.5 (20/4℃)
Odor :Odorless
Resistivity :95.8 μΩ-cm, 20°C
Water Solubility :20–30μg/L in H2O; soluble in boiling H2SO4, HNO3 [KIR81] [HAW93]
Merck :13,5925
Exposure limits :TLV-TWA 0.05 mg/m³ for Hg vapor, and 0.10 mg/m³, as Hg for alkyl mercury and inorganic compounds (ACGIH); ceiling 0.1 mg/m³ (OSHA); IDLH 28 mg/m³ (NIOSH).
Dielectric constant :1.0（148℃）
Stability :Stable. Incompatible with strong acids, sodium thiosulfate, ammonium hydroxide.
InChIKey :QSHDDOUJBYECFT-UHFFFAOYSA-N
CAS DataBase Reference :7439-97-6(CAS DataBase Reference)
IARC :3 (Vol. 58) 1993
EPA Substance Registry System :Mercury (7439-97-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, 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:	P201 Obtain special instructions before use. P273 Avoid release to the environment.