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
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