پتاسیم یدید 105043 مرک

پتاسیم یدید 105043 مرک Potassium iodide 105043 merck Potassium iodide for analysis EMSURE(r) ISO,Reag. Description Catalogue Number 105043 Product Information CAS number 7681-11-0 EC number 231-659-4 Grade ISO,Reag. Ph Eur Hill Formula IK Chemical formula KI Molar Mass 166.00g/mol HS Code 2827 60 00 Applications Application Potassium iodide for analysis EMSURE(r) ISO,Reag. Ph Eur. CAS No. 7681-11-0, EC Number 231-659-4. Physicochemical Information Boiling point 1325C (1013hPa) Density 3.23g/cm3 (25C) Melting Point 685C pH value 6.9 (50g/l, H₂O, 20C) Vapor pressure 1hPa (745C) Bulk density 1500kg/m3 Solubility 1430g/l Toxicological Information LD 50 oral LD50 Rat 2779 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H372: Causes damage to organs through prolonged or repeated exposure if swallowed. Precautionary Statement(s) P314: Get medical advice/ attention if you feel unwell. RTECS TT2975000 Storage class 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects 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). Safety Information Hazard Symbols Toxic R Phrase R 48/25 Toxic: danger of serious damage to health by prolonged exposure if swallowed. S Phrase S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Storage and Shipping Information Storage Store at +5C to +30C. Specifications Assay (argentometric) 99.5% Assay (argentometric; calculated on dried substance) 99.5 - 100.5% Identity passes test Appearance of solution passes test Alkaline impurities passes test pH-value (5 %; water) 6 - 8 Chloride and Bromide (as Cl) 0.01% Iodate (IO₃) 0.0003% Phosphate (PO₄) 0.001% Sulphate (SO₄) 0.001% Thiosulphate (S₂O₃) passes test Total nitrogen (N) 0.001% Heavy metals (as Pb) 0.0005% As (Arsenic) 0.00001% Ba (Barium) 0.002% Ca (Calcium) 0.001% Cu (Copper) 0.0002% Fe (Iron) 0.0002% Mg (Magnesium) 0.001% Na (Sodium) 0.03% Pb (Lead) 0.0002% Reducing substances passes test Loss on Drying (105C) 0.1%