Potassium selenite (K 2 SeO 3 ) is a potassium selenide salt .
| Potassium selenite | |
|---|---|
| General | |
| Systematic name | Potassium selenite |
| Traditional names | Potassium selenide |
| Chem. formula | K 2 SeO 3 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 205.16 g / mol |
| Thermal properties | |
| T. decomp. | 875 ° C |
| Chemical properties | |
| Solubility in water | 217 25 g / 100 ml |
| Classification | |
| Reg. CAS number | 10431-47-7 |
| PubChem | |
| Reg. EINECS number | 233-909-8 |
| Smiles | |
| Inchi | |
Forms colorless crystals. It is soluble in water - 217 25 g / 100 ml [1] . Slightly soluble in ethanol . It crystallizes from an aqueous solution at a temperature above 24.3 °, and forms a tetrahydrate at a lower temperature [2] . It decomposes at a temperature of 875 ° C [1] .
Toxic [3] [4] .
See also
- Potassium selenate
- Sodium Selenite
Notes
- ↑ 1 2 Volkov, A.I., Zharsky, I.M. Large chemical reference book / A.I. Volkov, I.M. Zharsky. - Mn. : Modern School, 2005. - 608 p. - ISBN 985-6751-04-7 ..
- ↑ Journal of Applied Chemistry . - 1966. - 972 p.
- ↑ Potassium Selenite | Cameo Chemicals | Noaa
- ↑ Pletnikova IP [1970a]. Biological action and the non-injuriousness level of selenium when it enters the organism together with drinking water. Gig Sanit 35 (2): 14-19 (in Russian).
Links
- Chemical Thermodynamics of Selenium . Elsevier, 2005 ISBN 9780080457512 ; page 423 "V.15.4.2 Potassium Selenites"
- Potassium Selenite , 1984
- Sabbah, R .; Perinet, G. "PREPARATION COMPORTEMENT THERMIQUE ET IDENTIFICATION AUX RAYONS X DES SELENITES DE POTASSIUM OBTENUS PAR VOIE AQUEUSE." JOURNAL DE CHIMIE PHYSIQUE 63.2 (1966): 332.