Tellurium dioxide
- Product NameTellurium dioxide
- CAS7446-07-3
- CBNumberCB1670143
-
MFO2Te
Lewis structure
- MW159.6
- EINECS231-193-1
- MDL NumberMFCD00011263
- MOL File7446-07-3.mol
- MSDS FileSDS
Chemical Properties
| 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 | ||||||||||||||
| Specific Gravity | 5.8 | ||||||||||||||
| color | White to slightly yellow | ||||||||||||||
| Water Solubility | insoluble | ||||||||||||||
| λmax | 360nm(neat)(lit.) | ||||||||||||||
| Merck | 14,9123 | ||||||||||||||
| crystal system | square | ||||||||||||||
| Space group | P41212 | ||||||||||||||
| Lattice constant |
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| Exposure limits | ACGIH: TWA 0.1 mg/m3 NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3 |
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| Stability | Stable. Incompatible with strong acids, strong oxidizing agents. | ||||||||||||||
| InChI | 1S/O2Te/c1-3-2 |
Safety
| Symbol(GHS) |
  
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| Signal word | Danger | |||||||||
| Hazard statements | H317-H332-H360D-H411 | |||||||||
| Precautionary statements | P202-P273-P280-P302+P352-P304+P340+P312-P308+P313 | |||||||||
| Safety Statements | 24/25 | |||||||||
| RIDADR | UN 3284 6.1/PG 3 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | WY2675000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 6.1(a) | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 28112900 | |||||||||
| Storage Class | 6.1D - Non-combustible acute toxic Cat.3 toxic hazardous materials or hazardous materials causing chronic effects | |||||||||
| Hazard Classifications | Acute Tox. 4 Inhalation Aquatic Chronic 2 Lact. Repr. 1B Skin Sens. 1B | |||||||||
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg | |||||||||
| NFPA 704: |
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