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Sodium hydroselenite

Sodium hydroselenite is an inorganic compound, an acid salt of sodium and selenic acid with the formula NaHSeO 3 , colorless crystals, it dissolves in water.

Sodium hydroselenite
Are common
Systematic
name
Sodium hydroselenite
Traditional namesSodium selenic acid, acidic; sodium bisalenite
Chem. formulaNaHSeO 3
Physical properties
conditioncolorless crystals
Molar mass150.96 g / mol
Chemical properties
Solubility in water235 50 g / 100 ml
Classification
Reg. CAS number7782-82-3
PubChem
Reg. EINECS number231-966-3
Smiles
Inchi
ChemSpider

Content

Getting

  • Neutralization of selenic acid with dilute sodium hydroxide solution :
H2SeO3+NaOH→NaHSeO3+H2O{\ displaystyle {\ mathsf {H_ {2} SeO_ {3} + NaOH \ {\ xrightarrow {}} \ NaHSeO_ {3} + H_ {2} O}}}  

Physical Properties

Sodium hydroselenite forms colorless crystals.

It is soluble in water.

It forms adducts of the form NaHSeO 3 • H 2 SeO 3 and NaHSeO 3 • 3H 2 SeO 3 .

Chemical Properties

  • It decomposes on heating producing sodium dyslenitis :
2NaHSeO3→320oCNa2Se2Ofive+H2O{\ displaystyle {\ mathsf {2NaHSeO_ {3} \ {\ xrightarrow {320 ^ {o} C}} \ Na_ {2} Se_ {2} O_ {5} + H_ {2} O}}}  

Application

  • In the production of culture media.
  • In microdoses in the treatment of animals.
  • In the production of food additives.
  • In the feed industry as an additive in feed.

Literature

  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.



Source - https://ru.wikipedia.org/w/index.php?title= Sodium Hydroselenite&oldid = 94121588


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