Application / Uses Preparation Antimony pentasulfide is an inorganic compound of antimony and sulfur, also known as antimony red. It is a nonstoichiometric compound with a variable composition. Commercial samples are usually available only in technical grade, containing sulfur, which may be removed by washing with carbon disulfide in a Soxhlet extractor.
Application / Uses Preparation Phosphorus pentasulfide is the inorganic compound with the formula P4S10. This yellow solid is the one of two phosphorus sulfides of commercial value. Samples often appear greenish-gray due to impurities.