Melting point :1088°C
Density :8.1 g/mL at 25 °C (lit.)
solubility :insoluble in H2O; soluble in HNO3
form :3 to 6mm Fused Gray Lump
Specific Gravity :8.1
color :Gray
Water Solubility :Insoluble in water.
Sensitive :Moisture Sensitive
Crystal Structure :Cubic, Halite Structure - Space Group Fm3m
Exposure limits :ACGIH: TWA 0.05 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; IDLH 100 mg/m3; TWA 0.2 mg/m3; TWA 0.050 mg/m3 CAS DataBase Reference :12069-00-0(CAS DataBase Reference)
EPA Substance Registry System :Lead selenide (PbSe) (12069-00-0)

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:	P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.