What is SnI4? Important knowledge about SnI4

1. Definition of SnI₄

SnI₄, also known as Tetraiodua Stani (English name: Tin(IV) Iodide) is a chemical compound with a molecule consisting of a Sn atom and 4 Iodine atoms. The atomic weight of SnI₄ is 626.354 g/mol, in which the atomic weight of Sn is 118.71 g/mol and Iodine is 126.90447 g/mol. The SnI₄ molecule is formed when the Sn atom forms 4 covalent bonds with 4 Iodine atoms, forming the Sn-I molecular structure.

2. Properties: SnI₄

2.1 Physical properties of SnI₄
SnI₄ is solid at room temperature, with a color ranging from yellow to reddish brown. This compound does not have a distinctive smell. The pH of SnI₄ cannot be determined because it is not soluble in water.

2.2 Chemical properties of SnI₄
SnI₄ is very easily oxidized, with a melting point of 144 °C and a boiling point of 377 °C. In the air environment, SnI₄ is easily oxidized to I₂ and SnO₂.

3. Common chemical equations involving SnI₄
   Since SnI₄ is not typically used in common chemical reactions, there are no specific examples for this section.

4. Synthesis of SnI₄

4.1 Laboratory synthesis of SnI₄
SnI₄ can be synthesized by reacting Sn with I₂ in the air:
Sn + 2I₂ -> SnI₄

4.2 Industrial synthesis of SnI₄
On an industrial scale, SnI₄ is typically synthesized by reacting Sn with I₂ in an Argon gas environment at high temperatures.