Melting point :733 °C (lit.)
Boiling point :1245 °C
Density :5.67 g/mL at 25 °C (lit.)
vapor pressure :0Pa at 25℃
storage temp. :no restrictions.
solubility :insoluble in H2O; soluble in alkaline solutions, acid solutions
form :Powder
color :White to slightly yellow
Specific Gravity :5.8
Water Solubility :insoluble
λmax :360nm(neat)(lit.)
Merck :14,9123
Exposure limits :ACGIH: TWA 0.1 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3 Stability :Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference :7446-07-3(CAS DataBase Reference)
NIST Chemistry Reference :tellurium(IV) dioxide(7446-07-3)
EPA Substance Registry System :Tellurium oxide (TeO2) (7446-07-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P308+P313 IF exposed or concerned: Get medical advice/attention.