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Merck
CN

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:
14220-17-8
Molecular Weight:
240.96
UNSPSC Code:
12352302
PubChem Substance ID:
24878804
EC Number:
238-082-7
MDL number:
MFCD00049669

Key Documents

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InChI key

QOOHKAMDWOKKBR-UHFFFAOYSA-N

InChI

1S/4CN.2K.Ni/c4*1-2;;;/q;;;;2*+1;-2

SMILES string

[K+].[K+].N#C[Ni--](C#N)(C#N)C#N

assay

>99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: nickel

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1

supp_hazards

EUH032

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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Certificates of Analysis (COA)

Lot/Batch Number
MKBJ2494V
MKBF9713
MKBD3317
13522EH
02105ME

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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
C M Kao et al.
Letters in applied microbiology, 41(2), 216-220 (2005-07-22)
The ability of Azotobacter vinelandii, a N(2)-fixing bacterium, to biodegrade tetracyanonickelate (TCN) was evaluated. The amounts of TCN were measured spectrophotometrically. Ammonia was determined colorimetrically by the indophenol method. The produced methane from TCN conversion by A. vinelandii was detected
S F Chow et al.
The Journal of biological chemistry, 261(16), 7264-7269 (1986-06-05)
The structure of the rhodanese-tetracyanonickelate (E X Ni(CN)2-4) complex has been characterized here in spectral and physical studies using urea as a structural perturbant. UV difference absorption, sedimentation velocity ultracentrifugation, fluorescence, and circular dichroism data show no significant conformational differences
Jae-Hun Chu et al.
Environmental science and pollution research international, 27(33), 41688-41701 (2020-07-23)
Cyanide is highly toxic and must be destroyed or removed before discharge into the environment. This study examined the ability of commercial anion-exchange resins to remove residual cyanide complexes from industrial plating wastewater as a complement to conventional treatment. Cyanide
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