C18H16N2O2

C18H16N2O2 is the molecular formula for several chemical compounds. One notable compound with this formula is N,N'-diphenylurea, also known as diphenylcarbamide. This organic compound is characterized by two phenyl groups attached to a urea core. It typically appears as a white crystalline solid and is relatively insoluble in water but soluble in many organic solvents. N,N'-diphenylurea can be synthesized through various chemical reactions, often involving the reaction of aniline with phosgene or a related compound. It finds applications as a stabilizer in nitrocellulose propellants, as a laboratory reagent, and in the synthesis of other organic molecules. Another compound with the same molecular formula is known as 1,3-diphenylurea. The structural arrangement of the phenyl groups relative to the urea linkage distinguishes these isomers. Other less common compounds may also share this formula, depending on the specific arrangement of atoms and functional groups. The precise properties and uses of a compound with the formula C18H16N2O2 are dependent on its specific structural isomer.