Potassium hexacyanoferrate(II) trihydrate
SIGMA/60279 - BioUltra, ≥99.5% (RT)
Synonym: Potassium ferrocyanide; Yellow prussiate
CAS Number: 14459-95-1
Empirical Formula (Hill Notation): C6FeK4N6 · 3H2O
Molecular Weight: 422.39
EC Number: 237-722-2
MDL Number: MFCD00167023
Linear Formula: K4Fe(CN)6 · 3H2O
Product Type: Chemical
absorption | cut-off at 411 nm in H2O at 0.5 M |
anion traces | carbonate (CO32-): ≤20 mg/kg |
chloride (Cl-): ≤50 mg/kg | |
sulfate (SO42-): ≤50 mg/kg | |
assay | ≥99.5% (RT) |
cation traces | As: ≤0.1 mg/kg |
Ca: ≤10 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤10 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Na: ≤100 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤10 mg/kg | |
Sr: ≤5 mg/kg | |
Zn: ≤10 mg/kg | |
form | solid |
impurities | insoluble matter, passes filter test |
InChI | 1S/6CN.Fe.4K.3H2O/c6*1-2; |
InChI key | NRYOVBQTVIWDNU-UHFFFAOYSA |
mp | 70 °C (lit.) |
pH | 8.0-10.0 (25 °C, 0.5 M in H2O) |
product line | BioUltra |
Quality Level | 200 |
SMILES string | O.O.O.[K+].[K+].[K+].[K+] |
solubility | H2O: 0.5 M at 20 °C, clear, faintly yellow to greenish-yellow |
Application: | Potassium hexacyanoferrate(II) a redox couple with potassium hexacyanoferrate(III) is used with luminol-based chemiluninescent assays. |
Hazard statements | H412 |
Risk Statements | 32-52/53 |
Safety Statements | 22-24/25-47-61 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Supplemental Hazard Statements | EUH032 |
Purity | ≥99.5% (RT) |
mp | 70 °C (lit.) |
UNSPSC | 12352302 |