What is As4S9? Important knowledge about As4S9.

  1. Definition of As4S9
    As4S9 is known as Arsenic Nonasulfide or Realgar in English. It is a solid substance of deep red color, capable of forming orange crystals. This compound consists of 4 atoms of Arsenic and 9 atoms of Sulfur. The structure of an As4S9 molecule includes 4 Arsenic atoms and 9 Sulfur atoms bonded tightly together.

  2. Properties of As4S9
    As4S9 has some physical properties such as: it has a solid state under standard conditions, is of dark red color, has no distinctive smell and its pH cannot be measured since it is insoluble in water. The chemical characteristics of As4S9 include its reactivity with metals, acids, nonmetals and salts.

  3. Common chemical reactions with As4S9
    As4S9 can react with metals, acids, nonmetals and salts. However, due to its unique nature, these reactions do not often occur and require appropriate reaction conditions.

  4. Preparation of As4S9
    As4S9 is not prepared using laboratory methods due to its toxicity. Industrially, As4S9 is typically produced from the process of mining ores containing Arsenic and Sulfur. As4S9 can also be produced from the processing of Arsenic and Sulfur at high temperatures.

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