The IUPAC name of Potassium hexacyanoferrate(II) is tetrapotassium iron(6+) hexacyanide. With the CAS registry number 13943-58-3, it is also named as Ferrate(4-), hexakis(cyano-C)-, tetrapotassium, (OC-6-11)-. The product's categories are Inorganic & Organic Chemicals; Inorganic Chemicals; Inorganics, and the other registry number is 1273-71-8. Besides, it is yellow crystalline granules, which should be stored in a dry, ventilated warehouse. In addition, its molecular formula is C₆FeK₄N₆ and molecular weight is 368.3426.

The other characteristics of this product can be summarized as: (1)EINECS: 237-722-2; (2)H-Bond Donor: 0; (3)H-Bond Acceptor: 12; (4)Rotatable Bond Count: 0; (5)Exact Mass: 367.808214; (6)MonoIsotopic Mass: 367.808214; (7)Topological Polar Surface Area: 143; (8)Heavy Atom Count: 17; (9)Formal Charge: 4; (10)Complexity: 127; (11)Melting point: 69-71 °C; (12)Boiling point: 400 °C.

Preparation of Potassium hexacyanoferrate(II): this chemical can be prepared by Sodium cyanide. The reaction equation is as follows:
6NaCN+FeSO₄+CaCl₂→Na₄Fe(CN)₆+CaSO₄↓+2NaCl
Na₄Fe(CN)₆+4KCl→K₄Fe(CN)₆+4NaCl

Uses of Potassium hexacyanoferrate(II): this chemical can be used as an alternate nitrogen source for plants. It also can be used in metal extraction and to make adhesives, computer electronics, fire retardants, cosmetics, dyes, nylon, paints, inks, plexiglass, pharmaceuticals, and rocket propellant. Additionally, it is used as an anti-caking agent to remove copper from red wine. And it can be used to determine the concentration of potassium permanganate in the laboratory.

People can use the following data to convert to the molecule structure.
(1)Canonical SMILES: [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[K+].[K+].[K+].[K+].[Fe+6]
(2)InChI: InChI=1S/6CN.Fe.4K/c6*1-2;;;;;/q6*-1;+6;4*+1
(3)InChIKey: AWDBHOZBRXWRKS-UHFFFAOYSA-N 

The toxicity data is as follows: