1.05940.1000 MANGANESE ll NITRATE TETRAHYDRATE MERCK

Description Catalogue Number 105940 Description Manganese(II) nitrate tetrahydrate Product Information CAS number 20694-39-7 EC number 233-828-8 Hill Formula MnN₂O₆ * 4 H₂O Chemical formula Mn(NO₃)₂ * 4 H₂O Molar Mass 251.01 g/mol HS Code 2834 29 80 Quality Level MQ300 Physicochemical Information Density 2.13 g/cm3 (20 °C) Melting Point 37 °C pH value 3 (50 g/l, H₂O, 20 °C) Bulk density 750 - 950 kg/m3 Solubility 3800 g/l Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Statement(s) H272: May intensify fire; oxidizer. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. H373: May cause damage to organs through prolonged or repeated exposure if inhaled. H412: Harmful to aquatic life with long lasting effects. EUH071: Corrosive to the respiratory tract. Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260: Do not breathe dust. P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Signal Word Danger Storage class 5.1B Oxidizing hazardous materials WGK WGK 2 obviously hazardous to water 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 oxidizing Storage and Shipping Information Storage Store at +2°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 2724 , 5.1, III Declaration (transport by air) IATA-DGR UN 2724 , 5.1, III Declaration (transport by sea) IMDG-Code UN 2724 , 5.1, III Specifications Assay (complexometric) ≥ 98.5 % pH-value (5 %; water) 2.8 - 3.6 Chloride (Cl) ≤ 0.001 % Sulfate (SO₄) ≤ 0.05 % Ca (Calcium) ≤ 0.001 % Cu (Copper) ≤ 0.0005 % Fe (Iron) ≤ 0.0005 % K (Potassium) ≤ 0.005 % Mg (Magnesium) ≤ 0.005 % Na (Sodium) ≤ 0.005 % NH₄ (Ammonium) ≤ 0.05 % Ni (Nickel) ≤ 0.001 % Pb (Lead) ≤ 0.001 % Zn (Zinc) ≤ 0.001 %

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