What is Na4Fe(CN)6? Important knowledge about Na4Fe(CN)6.

1. Definition of Na₄Fe(CN)₆

Na₄Fe(CN)₆, also known as Iron(II) Ferrocyanide or Sodium ferrocyanide in English. A molecule of Na₄Fe(CN)₆ consists of 4 sodium (Na) atoms, 1 iron (Fe) atom, and 6 -CN groups. The molar mass of Na₄Fe(CN)₆ is 303.9105 g/mol. This molecule has an octahedral geometric structure, with iron (Fe) at the center, connected to 6 -CN groups and sodium ions (Na) on the outside.

2. Properties: Na₄Fe(CN)₆

2.1 Physical properties of Na₄Fe(CN)₆: Na₄Fe(CN)₆ usually appears as a pale yellow powder, has no distinctive smell and is insoluble in alcohol, ether. In liquid form, it has a neutral pH level.

2.2 Chemical properties of Na₄Fe(CN)₆: Na₄Fe(CN)₆ does not react with strong oxidizing agents, nor does it react with dilute acids. However, at high temperatures, it can decompose to produce toxic cyanide gas.

3. Common chemical equations of Na₄Fe(CN)₆

Since Na₄Fe(CN)₆ is not very reactive, there are not many related chemical equations.

4. Preparation of Na₄Fe(CN)₆

4.1 Laboratory preparation of Na₄Fe(CN)₆: Sodium ferrocyanide can be prepared by reacting sodium hydroxide with acidic ferrocyanide.

4.2 Industrial preparation of Na₄Fe(CN)₆: Industrially, Na₄Fe(CN)₆ is often produced from the reaction between sodium hydroxide and ammonium cyanide in an environment containing iron ions.