Carbamide (NH2)2CO Urea 5 Reactions utilise: Urea 4 Reactions form: Urea C 1 H 4 N 2 O 1      Real, long lived, electronically neutral reagent chemical. Gram formula weight (molecular mass) = 60.055 Melting point = 134 °C Density = 1.335 g/cm3 Purity = 99 % Solubility in organics = slightly soluble Wikipedia Page: Urea is defined with respect to the entities below: The entities below are defined with respect to: Urea Ambidentate Lewis base (generic) Lobe-HOMO Lewis base (generic) Lobe-LUMO Lewis acid (generic) Molecular material (generic) Natural Product Nucleophilic attack susceptible species (generic) Urea or carbonate (generic) chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis