Product Information CAS number 7447-40-7 EC number 231-211-8 Hill Formula ClK Chemical formula KCl Molar Mass 74.55 g/mol HS Code 3105 10 00 Applications Application Potassium chloride for analysis EMSURE®. CAS No. 7447-40-7, EC Number 231-211-8. Physicochemical Information Boiling point 1413 °C (1013 hPa) Density 1.98 g/cm3 (20 °C) Melting Point 773 °C pH value 5.5 - 8.0 (50 g/l, H₂O, 25 °C) Bulk density 1000 kg/m3 Solubility 347 g/l Toxicological Information LD 50 oral LD50 Rat 2600 mg/kg Safety Information according to GHS RTECS TS8050000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly 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). Storage and Shipping Information Storage Store at +5°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID Kein Gefahrgut Declaration (transport by air) IATA-DGR No Dangerous Good Declaration (transport by sea) IMDG-Code No Dangerous Good Specifications Assay (argentometric) ≥ 99.5 % In water insoluble matter ≤ 0.01 % pH-value (5 %; water) 5.5 - 8.0 Bromide (Br) ≤ 0.05 % Iodide (I) ≤ 0.002 % Phosphate (PO₄) ≤ 0.0005 % Sulphate (SO₄) ≤ 0.005 % Total nitrogen (N) ≤ 0.001 % Heavy metals (as Pb) ≤ 0.0005 % Ba (Barium) ≤ 0.001 % Ca (Calcium) ≤ 0.001 % Fe (Iron) ≤ 0.0003 % Mg (Magnesium) ≤ 0.002 % Na (Sodium) ≤ 0.02 %
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