Selenous Acid


Synonym:  Selenious acid
Linear Formula:  H2SeO3
Molecular Weight:  128.97g/mol
CAS Number: 7783-00-8

Properties

Water Solubility Soluble
B pt. 684.9℃(lit.)
M pt. 70 ℃(dec.)(lit.)
Density 3.004 g/mL at 25 ℃ (lit.)

Safety Information

Hazard Statement(s) H301 + H331 - H373 - H410
Precautionary Statement  P273 - P301 + P310 + P330 - P304 + P340 + P311 - P314
Symbol
Signal word Danger
Flash point 690℃
Storage Temp. Store at Room Temperature.
Storage Class 6.1
Packaging Glass Bottle
UN Number 3283

Description

Recommended products
Phenyl Dichlorophosphate

Purpose
For R&D use onlynot for drug household or other uses.

General Description
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.