Our product is High Quality Tin(IV) Iodide with CAS number 7790 - 47 - 8 and is offered at a low price. Tin(IV) Iodide, also known as Stannic Iodide, has the chemical formula SnI₄. It is a bright red, crystalline solid with a molecular weight of approximately 626.32 g/mol. The product typically has a high purity level, ensuring its effectiveness in various applications.
It has a melting point of around 144°C and a boiling point of about 364°C. The density of Tin(IV) Iodide is approximately 4.47 g/cm³. In terms of solubility, it is soluble in organic solvents such as benzene, toluene, and chloroform, but insoluble in water.
Tin(IV) Iodide has a wide range of applications in different fields. In the field of organic synthesis, it serves as a Lewis acid catalyst. It can promote various reactions, such as the Friedel - Crafts acylation and alkylation reactions. These reactions are crucial for the synthesis of many organic compounds, including pharmaceuticals, fragrances, and dyes.
In the semiconductor industry, Tin(IV) Iodide can be used in the preparation of thin - film solar cells. It helps to improve the efficiency and stability of the solar cells by enhancing the charge - transfer properties of the active layers. Additionally, it can be used as a dopant in some semiconductor materials to modify their electrical properties.
In analytical chemistry, Tin(IV) Iodide can be used as a reagent for the detection and determination of certain elements. For example, it can react with specific metal ions to form colored complexes, which can be analyzed by spectrophotometry.
When using Tin(IV) Iodide in organic synthesis as a catalyst, it is usually added in a small amount relative to the reactants. First, prepare the reaction mixture in a suitable reaction vessel under an inert atmosphere (such as nitrogen or argon) to prevent oxidation. Add the appropriate amount of Tin(IV) Iodide to the reaction mixture and stir well. Then, heat the reaction mixture to the required temperature and maintain it for a specific period of time depending on the reaction type.
In the semiconductor industry, when using it for thin - film preparation, Tin(IV) Iodide is often dissolved in a suitable organic solvent to form a precursor solution. This solution is then deposited on a substrate using techniques such as spin - coating, spray - coating, or dip - coating. After deposition, the film is annealed at an appropriate temperature to form the desired semiconductor layer.
When using it in analytical chemistry, a known amount of Tin(IV) Iodide is dissolved in a suitable solvent to prepare a standard solution. The sample to be analyzed is then treated with this standard solution, and the resulting solution is analyzed using appropriate analytical instruments.
Case 1: Organic Synthesis of a Pharmaceutical Intermediate
A pharmaceutical company was synthesizing an important intermediate for a new drug. They used Tin(IV) Iodide as a catalyst in a Friedel - Crafts acylation reaction. They added 0.1 mol% of Tin(IV) Iodide to a mixture of benzene and benzoyl chloride in a round - bottom flask under a nitrogen atmosphere. The reaction was heated to 80°C and stirred for 3 hours. As a result, they obtained a high yield (over 80%) of the desired acylated product, which was of high purity. The use of Tin(IV) Iodide significantly reduced the reaction time and increased the selectivity compared to traditional catalysts.
Case 2: Thin - Film Solar Cell Preparation
A research group was working on improving the efficiency of thin - film solar cells. They prepared a precursor solution by dissolving Tin(IV) Iodide in chlorobenzene. The solution was spin - coated on a glass substrate with a pre - deposited titanium dioxide layer. After annealing at 200°C for 1 hour, they obtained a uniform and smooth Tin(IV) Iodide - containing layer. The resulting solar cell showed an improved power conversion efficiency of 12%, compared to 8% for the reference cell without Tin(IV) Iodide.
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