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LC5181 Tellurium dioxide99.5+ |
| Order number | Packaging | Quantity | Price € |
| AC32181 | Glass bottle | 25 g | 71.10 |
| Product information | |
| Synonyms | Tellurium(IV) oxide |
| Hill Formula | O2Te |
| Chemical formula | TeO2 |
| HS Code | 2811 29 90 |
| EC number | 231-193-1 |
| Molar mass | 159.60 g/mol |
| CAS number | 7446-07-3 |
| Chemical and physical data | |
| Solubility | (20 °C) insoluble |
| Melting point | 733 °C |
| Molar mass | 159.60 g/mol |
| Density | 6.02 g/cm3 (20 °C) |
| Boiling point | 1245 °C |
| Safety information | |
| S Phrase | S 22 Do not breathe dust. |
| Storageclass | 10 – 13 Other liquids and solids |
| WGK | NWG not water endangering |
| Disposal | 15 Heavy metal-containing solutions and solids: container E. Stir Raney nickel (also: Urushibara nickel) in the form of an aqueous suspension into hydrochloric acid (Cat. No. 100312) until dissolved (container E). Neither Raney nickel itself nor any filter residues should be allowed to dry out, otherwise they will spontaneously ignite in air. In this context, heavy metal means any compound of antimony, arsenic, cadmium, chromium(VI), copper, lead, nickel and tin, as well as these subtances in metallic form, if they are classified as hazardous (acc. to AbfallverzeichnisV – Waste Catalogue Ordinance, Appendix 3). Other heavy metals should be collected separately. |
| Toxicological data | |
| LD 50 oral | LD50 rat > 2000 mg/kg |
| Specifications | |
| Assay (gravimetrically) | ≥ 99.5 % |
| Identity (elemental analysis) | conforms |