Skip to Content
Merck
All Photos(3)

Documents

Safety Information

31254

Sigma-Aldrich

Potassium hexacyanoferrate(II) trihydrate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

Synonym(s):

Potassium ferrocyanide, Yellow prussiate

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
K4Fe(CN)6 · 3H2O
CAS Number:
14459-95-1
Molecular Weight:
422.39
EC Number:
237-722-2
MDL number:
MFCD00167023
UNSPSC Code:
12352302
PubChem Substance ID:
329753703
NACRES:
NB.24

grade

ACS reagent
puriss. p.a.

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

Assay

≥99%

form

crystalline

impurities

≤0.005% Insoluble matter

pH

8-10 (25 °C, 211 g/L)

mp

70 °C (lit.)

anion traces

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.005%

cation traces

Na: ≤0.01%
Pb: ≤0.002%

SMILES string

O.O.O.[K+].[K+].[K+].[K+].N#C[Fe-4](C#N)(C#N)(C#N)(C#N)C#N

InChI

1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q;;;;;;-4;4*+1;;;

InChI key

NRYOVBQTVIWDNU-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

31254-500G:4548173357461
31254-1KG:4548173357454
31254-50KG-H:
31254-VAR:
31254-6X1KG:
31254-6X500G:
31254-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Production of pectolytic enzymes by Aspergillus niger: effect of inoculum size and potassium hexacyanoferrate II-trihydrate.
Friedrich J, et al.
Applied Microbiology and Biotechnology, 33(4), 377-381 (1990)
A voltammetric biosensor based on glassy carbon electrodes modified with single-walled carbon nanotubes/hemoglobin for detection of acrylamide in water extracts from potato crisps.
Krajewska A, et al.
Sensors, 8(9), 5832-5844 (2008)
Thermal decomposition of potassium hexacyanoferrate (II) trihydrate.
Kunrath JI, et al.
Journal of Thermal Analysis and Calorimetry, 14(3), 253-264 (1978)
Decomposition of crystalline potassium hexacyanoferrate (II) trihydrate by incident energetic argon ions.
Ohno SI and Furukawa K.
Bulletin of the Chemical Society of Japan, 58(4), 1100-1104 (1985)
M A D Listiyani et al.
Journal of dairy science, 94(9), 4347-4359 (2011-08-23)
Previous studies have shown that bleaching negatively affects the flavor of 70% whey protein concentrate (WPC70), but bleaching effects on lower-protein products have not been established. Benzoyl peroxide (BP), a whey bleaching agent, degrades to benzoic acid (BA) and may
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service