Selenous Acid

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.

Specifications - Selenous Acid

Product	Selenous Acid
Structural formula
CAS No.	[7783-00-8]
Molecular formula	H2SeO3
Molecular weight	128.97
Description	white to off-white hygroscopic crystalline mass.
Residue on ignition	Max. 0.1 %.
Assay	Between 93.0% and 101.0%.