Influence of polymorphism on N-thiophosphorylated thiourea 4-Me2NC6H4NHC(S)NHP(S)(OiPr)2 crystal design

► N-Thiophosphorylated thiourea 4-Me2NC6H4NHC(S)NHP(S)(OiPr)2 is reported. ► The compound was examined by IR, 1H and 1P{1H} NMR spectroscopy. ► Two polymorphs of the compound were obtained from acetone or CH2Cl2 and n-hexane.