Tin(II) acetate


Tin acetate is the acetate salt of tin, with the chemical formula of Sn2. It was first discovered in 1822.

Preparation

To obtain tin acetate, tin(II) oxide is dissolved in glacial acetic acid and refluxed to obtain yellow Sn2·2CH3COOH when cooled. The acetic acid can be removed by heating under reduced pressure, and the white Sn2 crystals can be obtained by sublimation.

Properties

Sn2·2CH3COOH undergoes disproportionation and decomposition when heated under normal pressure, and products such as tin(IV) oxide and hydrogen are generated. The decomposition of anhydrous Sn2 is to the blue-black tin oxide.
Anhydrous Sn2 decomposes in water, but complexes such as KSn3 and Ba2 can be formed in alkali metal or alkaline earth metal acetates.