Lawesson's Reagent (CAS 19172-47-5) Market Research Report 2026 '@aboutLawesson's reagent (full name 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide (or -disulphide) is a chemical compound with the formula C14H14O2P2S4, used in organic synthesis as a thiation (also called thionation or sulfuration) ...