Product Name

  • Name

    Tetrapotassium hexacyanoferrate trihydrate

  • EINECS 237-722-2
  • CAS No. 13943-58-3
  • Density 1.85 g/cm3
  • Solubility 254g/L at 20℃
  • Melting Point 70 °C
  • Formula C6FeK4N6
  • Boiling Point 25.7oC at 760mmHg
  • Molecular Weight 368.34
  • Flash Point
  • Transport Information
  • Appearance yellow crystalline granules
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 13943-58-3 (Tetrapotassium hexacyanoferrate trihydrate)
  • Hazard Symbols Xi
  • Synonyms Ferrate(4-),hexacyano-, tetrapotassium (8CI);Ferrate(4-), hexakis(cyano-kC)-, tetrapotassium, (OC-6-11)-(9CI);Potassium ferrocyanate;Potassiumferrocyanide;Potassium hexacyanoferrate(K4Fe(CN)6);Potassium hexacyanoferrate(II);Tetrapotassiumhexacyanoferrate(4-);
  • PSA 142.74000
  • LogP 0.09818

Tetrapotassium hexacyanoferrate trihydrate Consensus Reports

Cyanide and its compounds are on the Community Right-To-Know List.

Tetrapotassium hexacyanoferrate trihydrate Standards and Recommendations

OSHA PEL: TWA 5 mg(CN)/m3
ACGIH TLV: CL 5 mg(CN)/m3 (skin)
DFG MAK: 5 mg/m3
NIOSH REL: (Cyanide) CL 5 mg(CN)/m3/10M

Tetrapotassium hexacyanoferrate trihydrate Specification

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:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 5gm/kg (5000mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(4), Pg. 23, 1986.
rat LD50 oral 6400mg/kg (6400mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(4), Pg. 23, 1986.

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