Skip to Content
Merck

Key Documents

View All Documentation

1.04984

Potassium hexacyanoferrate(II) trihydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):

Potassium hexacyanoferrate(II) trihydrate, Potassium ferrocyanide

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
K4[Fe(CN)6] · 3H2O
CAS Number:
14459-95-1
Molecular Weight:
422.39
UNSPSC Code:
12352302
EC Index Number:
237-722-2
NACRES:
NA.21
MDL number:
MFCD00167023
Assay:
99.0-102.0% (cerimetric)
Grade:
ACS reagent
Form:
solid
Solubility:
water: soluble
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

ACS reagent

Quality Segment

300

agency

reag. ISO, reag. Ph. Eur.

product line

EMSURE®

assay

99.0-102.0% (cerimetric)

form

solid

potency

3613 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter

pH

9.5 (20 °C, 100 g/L in H2O, anhydrous substance)

mp

>50 °C (Elimination of water of crystallisation)

solubility

water: soluble

bulk density

950‑1050 kg/m3

anion traces

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

cation traces

Na: ≤0.01%, Pb: ≤0.002%

storage temp.

2-30°C

SMILES string

[Fe+2].[K+].[K+].[K+].[K+].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].O.O.O

InChI

1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q6*-1;+2;4*+1;;;

InChI key

UTYXJYFJPBYDKY-UHFFFAOYSA-N

Analysis Note

Assay (cerimetric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.002 %
Corresponds to ACS,ISO,Reag. Ph Eur

Other Notes

Replaces: PX1460; PX1460-1; PX1460-20

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Still not finding the right product?

Explore all of our products under Potassium hexacyanoferrate(II) trihydrate

Storage Class

13 - Non 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.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library