Thiourea is an organosulfur molecule containing eight atoms across four elements. Its chemical formula is CH4N2S,or SC(NH2)2, with a molar mass of 76.12 grams/mole. Thiourea contains polar covalent bonds and is a polar molecule with positive concentration around the hydrogen atoms and negative concentrations around the sulfur atom (two unshared pairs of electrons) and nitrogen atoms (each with one unshared pair of electrons). This polarity permits for several intermolecular forces to take place. It is used in numerous industrial processes included making fertilizers, cleaning metal and especially in photography.
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| Three-dimensional diagram of a thiourea molecule. |
Carbon is the central atom in thiourea and the molecule takes the form AX3 (the shape of which is a triangular planar). In this diagram of thiourea, Carbon is shown in black with single bonds with two nitrogen atoms (blue) each of which also have single bonds with two hydrogen atoms (white). Carbon also has a double bond with sulfur (yellow).
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