Synthesis of Phosphorus Pentasulfide

Combine 13 g of dry sulfur with 5 g of dry red phosphorus, heat at 320°C in a crucible for 10 minutes with occasional mixing. Dry in a desiccator.

P + 5 S = PS5

Source

CIMG9888

Mix the reagents well

CIMG9894

The mixture started to melt

CIMG9897

The final crude product, crush up and store in airtight container.

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