Melting point :861°C
Density :d0 6.18
storage temp. :Sealed in dry,Room Temperature
solubility :insoluble in H2O; soluble in aqua regia
form :3 to 12mm Pieces
Water Solubility :Insoluble in water. Soluble in aqua regia, alkali sulfides, and alkali selenides.
Crystal Structure :Cubic, Halite Structure - Space Group Fm3m
Merck :14,8789
Exposure limits :ACGIH: TWA 2 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 100 mg/m3; IDLH 1 mg/m3; TWA 2 mg/m3; TWA 0.2 mg/m3 EPA Substance Registry System :Tin selenide (SnSe) (1315-06-6)
Electronic properties :2D semiconductor
color :Metallic
Bandgap :0.91 -1.79 eV

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.