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 |
| grade | reagent grade |
| 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 |