1.04984

Potassium hexacyanoferrate(II) trihydrate

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

• Synonym(s): Potassium hexacyanoferrate(II) trihydrate, Potassium ferrocyanide
• Linear Formula: K₄[Fe(CN)₆] · 3H₂O
• CAS Number: 14459-95-1
• Molecular Weight: 422.39
• MDL number: MFCD00167023
• UNSPSC Code: 12352302
• EC Index Number: 237-722-2
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 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)
• bulk density: 950‑1050 kg/m³
• anion traces: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Na: ≤0.01%; Pb: ≤0.002%
• storage temp.: 2-30°C
• InChI: 1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q6*-1;+2;4*+1;;;
• InChI key: UTYXJYFJPBYDKY-UHFFFAOYSA-N

Description

Linkage

Replaces: PX1460; PX1460-1; PX1460-20

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

Legal Information

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable