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10431-47-7
K2SeO3
19340800PD
99%-99.99%
-325 Mesh.etc
233-909-8
Class 6.1
UN2630
PG I
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.
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