415154
Potassium tetracyanonickelate(II) hydrate
Synonym(s):
Dipotassium nickel(2+) tetracyanide
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About This Item
Linear Formula:
K2Ni(CN)4 · xH2O
CAS Number:
Molecular Weight:
240.96 (anhydrous basis)
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
238-082-7
MDL number:
Form:
powder
vapor pressure
740 mmHg ( 25 °C)(lit.)
Quality Segment
form
powder
reaction suitability
core: potassium, reagent type: catalyst
density
1.875 g/mL (lit.)
application(s)
battery precursors
catalysts
material synthesis precursor
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
General description
Potassiumtetracyanonickelate (II) hydrate, also known as nickel(II) potassium cyanide, isa highly water-soluble compound used in electroplating and as a reagent inchemical synthesis.
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.
signalword
Danger
hcodes
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
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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