ALUMINUM SELENIDE

Melting point :960°C
Density :3,437 g/cm³
solubility :reacts with H2O
form :Pieces
color :Pale brown
Specific Gravity :3.437
Water Solubility :Decomposes to Al{2}0{3} and SeO{2} in water
Sensitive :Moisture Sensitive
Crystal Structure :Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc
Solubility Product Constant (Ksp) :pKsp: 24.4
Exposure limits :ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 CAS DataBase Reference :1302-82-5(CAS DataBase Reference)
EPA Substance Registry System :Aluminum selenide (Al2Se3) (1302-82-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, 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:	P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P320 Specific treatment is urgent (see … on this label). P330 Rinse mouth. P405 Store locked up.