Melting point :400 °C (subl.)(lit.)
Boiling point :383°C
Density :7.15
vapor pressure :1.7 mm Hg at 236 °C
storage temp. :Poison room
solubility :insoluble in ethanol, ethyl ether
form :powder
Specific Gravity :7.15
color :White
Odor :Odorless
Water Solubility :Soluble in (0.002g/L )water.
Sensitive :Moisture & Light Sensitive
Merck :14,5894
Solubility Product Constant (Ksp) :pKsp: 17.88（25°C）
Exposure limits :ACGIH: TWA 0.025 mg/m3 (Skin)
NIOSH: IDLH 10 mg/m3; TWA 0.05 mg/m3; Ceiling 0.1 mg/m3 Dielectric constant :7.0（Ambient）
InChIKey :ZOMNIUBKTOKEHS-UHFFFAOYSA-L
CAS DataBase Reference :10112-91-1(CAS DataBase Reference)
NIST Chemistry Reference :Mercurous chloride(10112-91-1)
EPA Substance Registry System :Mercurous chloride (10112-91-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, 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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. P405 Store locked up.