1.06535.1000 SODIUM NITRATE MERCK

escription Catalogue Number 106535 Synonyms Nitric acid sodium salt Product Information CAS number 7631-99-4 EC number 231-554-3 Hill Formula NNaO₃ Chemical formula NaNO₃ Molar Mass 84.99 g/mol HS Code 3105 10 00 Quality Level MQ200 Physicochemical Information Density 2.26 g/cm3 (20 °C) Melting Point 308 °C pH value 5.5 - 8.0 (50 g/l, H₂O, 20 °C) Bulk density 1200 kg/m3 Solubility 874 g/l Toxicological Information LD 50 oral LD50 Rat 1267 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Statement(s) H272: May intensify fire; oxidizer. H319: Causes serious eye irritation. Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P220: Keep away from clothing and other combustible materials. P264: Wash skin thoroughly after handling. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337 + P313: If eye irritation persists: Get medical advice/ attention. Signal Word Warning RTECS WC5600000 Storage class 5.1B Oxidizing hazardous materials WGK WGK 1 slightly hazardous to water 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 Categories of danger oxidizing, harmful Storage and Shipping Information Storage Store at +2°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 1498 , 5.1, III Declaration (transport by air) IATA-DGR UN 1498 , 5.1, III Declaration (transport by sea) IMDG-Code UN 1498 , 5.1, III Specifications Assay (acidimetrisch, after drying) 99.0 - 100.5 % Identity passes test pH-value (5 %; water) 5.5 - 8.3 Total chlorine ≤ 0.2 % Nitrite (NO₂) ≤ 0.002 % As (Arsenic) ≤ 0.0003 % Fe (Iron) ≤ 0.001 % Hg (Mercury) ≤ 0.0001 % K (Potassium) ≤ 0.01 % Pb (Lead) ≤ 0.0002 % Zn (Zinc) ≤ 0.001 % Loss on Drying (105 °C) ≤ 2.0 %

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