phosphorus heptasulfide

phosphorus hep·​ta·​sulfide | \ -¦heptə+ \

Definition of phosphorus heptasulfide

: a yellow crystalline compound P4S7 made by heating a mixture of phosphorus and sulfur in a ratio of about 4 to 7 equivalents, regarded formerly as a trisulfide, and used chiefly in the synthesis of organic sulfur compounds (as thiophene); tetra-phosphorus heptasulfide

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History and Etymology for phosphorus heptasulfide

heptasulfide from hepta- + sulfide

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Cite this Entry

“Phosphorus heptasulfide.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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