Synthesis of Tetraiodobis(triphenylphosphine) tin(IV)

1 g of tin tetraiodide, 40 mL of dry acetone and 0.69 g of dry triphenylphosphine oxide are placed in a dried reflux apparatus and brought to reflux for 15 minutes. The mixture is then cooled down, filtered and washed with some acetone.

SnI+ 2 (C6H5)3PO = SnI4[(C6H5)3PO]

Source

Reflux

The pure product

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