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Certificate of Analysis

Phosphorous pentasulphide, 98%

Code: P 1785

(For eg. B 1615-0108)

Phosphorus pentasulfide is the inorganic compound with the formula P2S5. This yellow solid is the one of two phosphorus sulfides of commercial value.
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P 1785 (OTTO) Phosphorous pentasulphide, 98% Cas 1314-80-3 - used as a thionation reagent. Reactions of this type require refluxing solvents such as benzene, dioxane, or acetonitrile with P4S10 dissociating into P2S5. P2S5 can be trapped for example as the pyridine complex.