| Product Information | |
|---|---|
| CAS number | 14459-95-1 |
| EC number | 237-722-2 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | C₆FeK₄N₆ * 3H₂O |
| Chemical formula | K₄[Fe(CN)₆]*3H₂O |
| Molar Mass | 422.39 g/mol |
| HS Code | 2837 20 00 |
| Structure formula Image |  |
| Applications | |
|---|---|
| Application | Potassium hexacyanoferrate(II) trihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS No. 14459-95-1, EC Number 237-722-2. |
| Physicochemical Information | |
|---|---|
| Melting Point | 70 °C Elimination of water of crystallisation |
| pH value | 9.5 (100 g/l, H₂O, 20 °C) (anhydrous substance) |
| Bulk density | 950 - 1050 kg/m3 |
| Solubility | 289 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 3613 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Statement(s) | H412: Harmful to aquatic life with long lasting effects. |
| Precautionary Statement(s) | P273: Avoid release to the environment. |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 2 water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Safety Information | |
|---|---|
| Categories of danger | dangerous for the environment |
| R Phrase | R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| S Phrase | S 61 Avoid release to the environment. Refer to special instructions/ Safety data sheets. |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
| Specifications | |
|---|---|
| Assay (cerimetric) | 99.0 - 102.0 % |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.01 % |
| Sulphate (SO₄) | ≤ 0.005 % |
| Na (Sodium) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.002 % |
| Corresponds to ACS,ISO,Reag. Ph Eur | |