Potassium selenite (K2SeO3)-Powder

Characteristic

 

Selenous acid (or selenious acid) is the chemical compound with the formula H₂SeO₃. Structurally, it is more accurately described by (HO)₂SeO. It is the principal oxoacid of selenium; the other being selenic acid.

Chemical formula:H₂SeO₃

Molar mass:128.97 g/mol

Appearance:white hygroscopic crystals

Density:3.0 g/cm³

Melting point:decomposes at 70°C

Solubility in water:very soluble

Solubility:soluble in ethanol

Acidity (pKa):2.46, 7.3

Conjugate base Hydrogenselenite

Magnetic susceptibility (χ):−45.4·10⁻⁶ cm³/mol

 

Application

 

One among the compounds used in cattle feeds.