سدیم هیدروکساید 106462 مرک

سدیم هیدروکساید 106462 مرک Sodium hydroxide 106462 merck Sodium hydroxide pellets pure. Product Information CAS number 1310-73-2 EC index number 011-002-00-6 EC number 215-185-5 Hill Formula HNaO Chemical formula NaOH Molar Mass 40.00g/mol HS Code 2815 11 00 Applications Application Sodium hydroxide pellets pure. CAS No. 1310-73-2, EC Number 215-185-5. Physicochemical Information Density 2.13g/cm3 (20C) Melting Point 319-322C pH value >14 (100g/l, H₂O, 20C) Solubility 1090g/l Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage. Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. RTECS WB4900000 Storage class 8B Non-combustible, corrosive hazardous materials WGK WGK 1 slightly water endangering Disposal 13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535). Safety Information Hazard Symbols Corrosive Categories of danger corrosive R Phrase R 35 Causes severe burns. S Phrase S 26-37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.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. Transport Information Declaration (railroad and road) ADR, RID UN 1823 , 8, II Declaration (transport by air) IATA-DGR UN 1823 , 8, II Declaration (transport by sea) IMDG-Code UN 1823 , 8, II, Segregation Group: 18 (Alkalis) Specifications Assay (acidimetric,NaOH) 99.0% Carbonate (as Na₂CO₃) 1.0% Chloride (Cl) 0.01% Sulphate (SO₄) 0.01% Heavy metals (as Pb) 0.002% Al (Aluminium) 0.002% Fe (Iron) 0.002%