415154

Potassium tetracyanonickelate(II) hydrate

• Synonym(s): Dipotassium nickel(2+) tetracyanide
• Linear Formula: K₂Ni(CN)₄ · xH₂O
• CAS Number: 339527-86-5
• Molecular Weight: 240.96 (anhydrous basis)
• EC Number: 238-082-7
• MDL number: MFCD00150396
• UNSPSC Code: 12352302
• PubChem Substance ID: 24865979
• NACRES: NA.23

Properties

• vapor pressure: 740 mmHg ( 25 °C)(lit.)
• form: powder
• reaction suitability: reagent type: catalyst; core: nickel
• density: 1.875 g/mL (lit.)
• SMILES string: [K+].[K+].[H]O[H].N#C[Ni--](C#N)(C#N)C#N
• InChI: 1S/4CN.2K.Ni.H2O/c4*1-2;;;;/h;;;;;;;1H2/q;;;;2*+1;-2;
• InChI key: LORCEWUZCQZQEK-UHFFFAOYSA-N

Description

Application

• Electronic Structure: Study of the electronic structure of tetracyanonickelate(II) complexes, essential for applications in materials science and coordination chemistry (JJ Oppenheim, BJ McNicholas, J Miller, 2019).

Potassium tetracyanonickelate(II) hydrate can be used:

• As a precursor for the synthesis of Hofmann-type metal-organic frameworks (MOFs) with high open metal sites density.
• As a precursor in the synthesis of an anion-exchange resin for the removal of residual cyanide complexes in industrial plating wastewater.

Safety Information

• pictograms: GHS06,GHS09
• signalword: Danger
• hcodes: H300 + H310 + H330,H410
• pcodes: P262 - P264 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310
• Hazard Classifications: Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable