A6619912
Potassium tellurite , 99.5% , 7790-58-1
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
Update time: 2022-07-08
PRODUCT Properties
| 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) |
Description and Uses
In 1:50,000 solution for detecting presence of living pathogenic bacteria in sera and vaccines, such organisms forming characteristic black reduction Compounds.
Safety
| Symbol(GHS) |  GHS06 |
| Signal word | Danger |
| Hazard statements | H301-H315-H319 |
| Precautionary statements | P264-P270-P280-P301+P310-P302+P352-P305+P351+P338 |
| Hazard Codes | T |
| Risk Statements | 36/37/38-25-20/21/22 |
| Safety Statements | 26-45-36 |
| RIDADR | UN 3284 6.1/PG 3 |
| WGK Germany | 3 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
