POTASSIUM TELLURITE
Synonym(s):Dipotassium tellurite;Potassium tellurate;Potassium tellurium oxide
- CAS NO.：7790-58-1
- Empirical Formula: H3KO3Te
- Molecular Weight: 217.72
- MDL number: MFCD00011379
- EINECS: 232-213-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:08
What is POTASSIUM TELLURITE?
Chemical properties
Granular, white powder. Hygroscopic; decomposes at 460–470C. Soluble in water.
The Uses of POTASSIUM TELLURITE
Potassium tellurite along with agar may be used as a component of a selective medium for growth of bacteria.
The Uses of POTASSIUM TELLURITE
In 1:50,000 solution for detecting presence of living pathogenic bacteria in sera and vaccines, such organisms forming characteristic black reduction Compounds.
Definition
ChEBI: A potassium salt consisting of potassium and tellurite ions in a 2:1 ratio.
General Description
Potassium tellurite is a hygroscopic granular white powder. It decomposes at 460-470oC.
Safety Profile
A poison by an unspecified route. Human systemic effects by ingestion: sleep dsturbance, anorexia, nausea. When heated to decomposition it emits toxic fumes of K2O and Te. See also TELLURIUM compounds.
Properties of POTASSIUM TELLURITE
| Melting point: | decomposes at 460–470℃ [HAW93] |
| storage temp. | 2-8°C |
| solubility | very soluble in H2O |
| form | white hygroscopic crystals |
| color | white hygroscopic crystals, crystalline |
| Water Solubility | g/100g H2O: 8.8 (0°C), 27.5 (20°C), 50.4 (30°C) [LAN05] |
| CAS DataBase Reference | 7790-58-1(CAS DataBase Reference) |
| EPA Substance Registry System | Telluric acid (H2TeO3), potassium salt (1:2) (7790-58-1) |
Safety information for POTASSIUM TELLURITE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for POTASSIUM TELLURITE
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