Potassium selenite

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Structural formula
Potassium selenite.png
General
Surname Potassium selenite
Molecular formula K 2 SeO 3
Brief description

white solid

External identifiers / databases
CAS number
  • 10431-47-7
  • 41292-06-2 (tetrahydrate)
PubChem 150192
Wikidata Q15627914
properties
Molar mass 205.16 g mol −1
Physical state

firmly

density

2.851 g cm −3

Melting point

875 (decomposition) ° C

solubility

soluble in ethanol and water

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 301-331-373-410
P: 260-264-301 + 310-304 + 340-311-403 + 233
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Potassium selenite is an inorganic chemical compound of potassium from the selenite group .

Extraction and presentation

Potassium selenite can be obtained by reacting selenium dioxide with potassium carbonate .

properties

Potassium selenite is a white solid that is soluble in ethanol and water.

use

Potassium selenite is one of the compounds that are used in feed for cattle.

Individual evidence

  1. a b c d e f g h i Data sheet Potassium selenite from AlfaAesar, accessed on April 25, 2019 ( PDF )(JavaScript required) .
  2. Hoon Sik Kim, Yong Jin Kim and a .: Oxidative Carbonylation of Aromatic Amines by Selenium Compounds. In: Journal of Catalysis. 184, 1999, p. 526, doi : 10.1006 / jcat.1999.2458 .