What is Sn2S3? Important knowledge about Sn2S3.

Sn₂S₃, also known as Tin(II) Sulfide, is an inorganic compound of tin and sulfur. In English, it is commonly referred to as Stannous sulfide.

Each molecule of Sn₂S₃ contains two tin atoms and three sulfur atoms. Its molecular weight is 309.709 g/mol. Sn₂S₃ typically appears as ions or asymmetrical molecules with tin and sulfur atoms bonded together.

The physical properties of Sn₂S₃ include: solid state at room temperature, black or gray color, no distinctive smell, and no acidic or basic property, hence pH does not apply.

Chemical properties: Sn₂S₃ is easily oxidized in the air, forming SnS₂ and SO₂. It reacts with other metals such as Cu, Zn… to form the sulfide salt of that metal and tin.

Examples of common chemical reactions of Sn₂S₃:

• Sn₂S₃ + 4O₂ -> 2SnS₂ + 3SO₂(reactionwithoxygen)
• Sn₂S₃ + 2Cu -> 2Cu₂S + Sn(reactionwithmetal)
• Sn₂S₃ + 6HCl -> 2SnCl₂ + 3H₂S(reactionwithacid)

The common method to prepare Sn₂S₃ in the laboratory is by heating tin with sulfur. In industry, Sn₂S₃ can be produced by heating tin in air containing sulfur vapor.