Sulfurous acid, strontium salt (1:1)

synthetischeStrontium sulfite has the molecular formula of SrSO3 and the molecular weight of 167.6832 g/mol. It may be prepared by the reaction of sodiumsulfite and strontium hydroxide: Sr(OH)2＋ Na2SO3→SrSO3＋ 2NaOH The question of the existence of hydrates remains unanswered. Strontium sulfite occurs as colorless, crystallites which decompose upon heating to 380°C to the oxide plus SO2 gas. It is soluble in sulfuric acid and HCl. There is virtually no literature concerning the physical properties of this salt and the chemical properties have not been delineated except in general terms. Strontium sulfite is, however, available in limited quantities commercially.