What is Al2S3? Important knowledge about Al2S3.

  1. Al2S3 is known as the chemical compound between aluminum and sulfur. Its English name is Aluminium Sulfide. Al2S3 is composed of two aluminum atoms (Al) and three sulfur atoms (S). The molecular weight of Al2S3 is 150.16 g/mol. The structure of the Al2S3 molecule consists of two aluminum ions Al3+ and three sulfur ions S2-.

  2. In terms of properties, Al2S3 is solid at room temperature, with a color ranging from white to gray and has a pungent smell. Al2S3 is a chemical substance that does not dissolve in water and has no defined PH level. The chemical properties of Al2S3 include strong oxidizing agents and it can react with water to produce hydrogen sulfide.

  3. Al2S3 is commonly encountered in chemical reactions with metals, acids, non-metals and salts. For example, the reaction between Al2S3 and water (H2O) produces hydrogen sulfide and aluminum hydroxide, the reaction between Al2S3 and hydrochloric acid (HCl) produces aluminum chloride and hydrogen sulfide, as well as the reaction between Al2S3 and oxygen (O2) produces aluminum oxide and sulfur dioxide.

  4. To synthesize Al2S3, a reaction between aluminum and sulfur can be done under high temperature conditions. In industry, Al2S3 is usually synthesized by heating aluminum with sulfur at high temperature.

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