Description Catalogue Number 106525 Product Information CAS number 7681-55-2 EC number 231-672-5 Hill Formula INaO₃ Chemical formula NaIO₃ Molar Mass 197.89 g/mol HS Code 2829 90 80 Applications Application Sodium iodate for analysis EMSURE®. CAS No. 7681-55-2, EC Number 231-672-5. Physicochemical Information Density 4.28 g/cm3 (20 °C) pH value 5.8 (90 g/l, H₂O, 25 °C) Bulk density 1150 kg/m3 Solubility 81 g/l Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H272: May intensify fire; oxidizer. Precautionary Statement(s) P210: Keep away from heat. Signal Word Danger RTECS NN1400000 Storage class 5.1 B Oxidising substances WGK WGK 1 slightly water endangering Disposal 22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I. Safety Information Hazard Symbols Oxidising Categories of danger oxidizing R Phrase R 8 Contact with combustible material may cause fire. S Phrase S 17 Keep away from combustible material. Storage and Shipping Information Storage Store at +5°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 1479 , 5.1, II Declaration (transport by air) IATA-DGR UN 1479 , 5.1, II Declaration (transport by sea) IMDG-Code UN 1479 , 5.1, II Specifications Assay (iodometric) ≥ 99.5 % pH-value (5 %; water) 5 - 8 Chloride, Chlorate, Bromide, Bromate (as Cl) ≤ 0.02 % Iodide (I) ≤ 0.002 % Sulphate (SO₄) ≤ 0.005 % Total nitrogen (N) ≤ 0.002 % Cd (Cadmium) ≤ 0.00005 % Cu (Copper) ≤ 0.0001 % Fe (Iron) ≤ 0.001 % K (Potassium) ≤ 0.02 % Mn (Manganese) ≤ 0.00005 % Pb (Lead) ≤ 0.0002 % Zn (Zinc) ≤ 0.0001 %
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