硒酸钠有哪些特征？

硒酸钠具有如下特征:
Sodium selenate is the inorganic compound with the formula Na 2SeO 4, not to be confused with sodium selenite. It exists as the anhydrous salt, the heptahydrate, and the decahydrate. These are white, water-soluble solids. The decahydrate is a common ingredient in multivitamins and livestock feed as a source of selenium. The anhydrous salt is used in the production of some glass. Although the selenates are much more toxic, many physical properties of sodium selenate and sodium sulfate are similar.
白色晶体。密度1.603~1.602。熔点32℃。渐失去结晶水。有潮解性。易溶于水。有毒！在空气中稳定，易溶于水。