A7665112
Tellurium dioxide , 99.99%metalsbasis , 7446-07-3
Synonym(s):
Telluria;Tellurium dioxide;Tellurium oxide;Tellurium(IV) oxide
CAS NO.：7446-07-3
Empirical Formula: O2Te
Molecular Weight: 159.6
MDL number: MFCD00011263
EINECS: 231-193-1
| Pack Size | Price | Stock | Quantity |
| 10G | RMB56.00 | In Stock |
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| 50G | RMB239.20 | In Stock |
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| 250G | RMB1046.40 | In Stock |
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| 1kg | RMB3199.20 | In Stock |
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| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 733 °C (lit.) |
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| Boiling point: | 1245 °C |
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| Density | 5.67 g/mL at 25 °C (lit.) |
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| vapor pressure | 0Pa at 25℃ |
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| storage temp. | no restrictions. |
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| solubility | insoluble in H2O; soluble in alkaline solutions, acid solutions |
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| form | Powder |
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| color | White to slightly yellow |
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| Specific Gravity | 5.8 |
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| Water Solubility | insoluble |
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| λmax | 360nm(neat)(lit.) |
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| Merck | 14,9123 |
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| crystal system | square |
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| Space group | P41212 |
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| 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. |
Description and Uses
TeO2 can be potentially used in medical imaging and industrial monitoring processes.
Safety
| Symbol(GHS) |    GHS07,GHS08,GHS09 |
| 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 | Yes |
| HazardClass | 6.1(a) |
| PackingGroup | II |
| HS Code | 28112900 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
