Melting point :>1350°C
Density :5.81 g/mL at 25 °C(lit.)
refractive index :2.87 (900 nm)
storage temp. :2-8°C
solubility :insoluble in H2O
form :granular
color :Brown-red to black
Specific Gravity :5.81
Water Solubility :Insoluble in water.
Sensitive :air sensitive, store cold
Crystal Structure :Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc
Merck :14,1626
Exposure limits :ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 9 mg/m3; IDLH 1 mg/m3; TWA 0.2 mg/m3 Stability :store cold
CAS DataBase Reference :1306-24-7(CAS DataBase Reference)
EPA Substance Registry System :Cadmium selenide (CdSe) (1306-24-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 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:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P314 Get medical advice/attention if you feel unwell.