545031
Potassium tetracyanonickelate(II)
>99.9% trace metals basis
Synonym(s):
Dipotassium tetracyanonickelate, Potassium nickel(II) cyanide
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About This Item
Linear Formula:
K2Ni(CN)4
CAS Number:
Molecular Weight:
240.96
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
238-082-7
MDL number:
assay
>99.9% trace metals basis
form
powder
reaction suitability
reagent type: catalyst
core: nickel
SMILES string
[K+].[K+].N#C[Ni--](C#N)(C#N)C#N
InChI
1S/4CN.2K.Ni/c4*1-2;;;/q;;;;2*+1;-2
InChI key
QOOHKAMDWOKKBR-UHFFFAOYSA-N
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1
supp_hazards
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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J Silva-Avalos et al.
Applied and environmental microbiology, 56(12), 3664-3670 (1990-12-01)
Ten bacterial isolates capable of growth on tetracyanonickelate(II) [K2[Ni(CN)4]] (TCN) as the sole nitrogen source were isolated from soil, freshwater, and sewage sludge enrichments. Seven of the 10 were identified as pseudomonads, while the remaining 3 were classified as Klebsiella
Hyouk K Kwon et al.
FEMS microbiology letters, 214(2), 211-216 (2002-09-28)
A new yeast strain capable of degrading free and metallocyanides was isolated from coke-plant wastewater. The isolated strain designated MCN2 was identified as Cryptococcus humicolus by 26S rDNA sequencing and phylogenetic analysis. During growth of the isolate with KCN as
Fehmi Bardak et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(5), 1896-1900 (2008-08-23)
In this study the M(IN)(2)Ni(CN)(4) [where M: Co, Ni, and Cd, and IN: isonicotinic acid, abbreviated to M-Ni-IN] tetracyanonickelate and some metal halide complexes with the following stoichiometries: M(IN)(6)X(2) (M: Co; X: Cl and Br, and M: Ni; X: Cl