| Specifications | |
|---|---|
| Assay (gravimetric, K₂TeO₃ 3H₂O) | ≥ 90 % |
| Identity | passes test |
| Suitability for microbiology | passes test |
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Key Spec Table
| ph Value | Solubility |
|---|---|
| 11.3 (100 g/l, H₂O, 25 °C) | 2300 g/l |
| Description | |
|---|---|
| Catalogue Number | 105164 |
| Product Information | |
|---|---|
| CAS number | 123333-66-4 |
| EC number | 232-213-1 |
| Hill Formula | K₂O₃Te*xH₂O |
| Chemical formula | K₂TeO₃*xH₂O |
| HS Code | 2842 90 10 |
| Applications | |
|---|---|
| Application | Potassium tellurite-hydrate for microbiology. CAS 123333-66-4, pH 11.3 (100 g/l, H₂O, 25 °C). MSDS and product info below. |
| Physicochemical Information | |
|---|---|
| Melting Point | 460 - 470 °C (decomposition) |
| pH value | 11.3 (100 g/l, H₂O, 25 °C) |
| Bulk density | 1080 kg/m3 |
| Solubility | 2300 g/l |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |  |
| Hazard Statement(s) | H301: Toxic if swallowed. |
| Precautionary Statement(s) | P262: Do not get in eyes, on skin, or on clothing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. |
| Storage class | 6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials |
| WGK | WGK 3 highly 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. |
| Safety Information | |
|---|---|
| Hazard Symbols |  Toxic |
| Categories of danger | toxic |
| R Phrase | R 25 Toxic if swallowed. |
| S Phrase | S 24/25-45 Avoid contact with skin and eyes.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | UN 3284 , 6.1, II |
| Declaration (transport by air) IATA-DGR | UN 3284 , 6.1, II |
| Declaration (transport by sea) IMDG-Code | UN 3284 , 6.1, II |
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