کربنات سدیم 10آبه 106384 مرک

کربنات سدیم 10آبه 106384 مرک Sodium carbonate decahydrate 106384 merck EMPROVE(r) ESSENTIAL Ph Eur,BP,E 500 Description Catalogue Number 106384 Synonyms Soda, Sodium Carbonate decahydrate Product Information CAS number 6132-02-1 EC index number 011-005-00-2 EC number 207-838-8 Grade Ph Eur,BP,E 500 Hill Formula CNa₂O₃ * 10 H₂O Chemical formula Na₂CO₃ * 10 H₂O Molar Mass 286.14g/mol HS Code 2836 20 00 Structure formula Image Physicochemical Information Density 1.44g/cm3 (20C) Melting Point 33CElimination of water of crystallisation pH value 11-12 (50g/l, H₂O, 25C) Bulk density 700-900kg/m3 Solubility 210g/l Toxicological Information LD 50 oral LD50 Rat 4090 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H319: Causes serious eye irritation. Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face 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. Storage class 10 - 13 Other liquids and solids 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 Irritant Categories of danger irritant R Phrase R 36 Irritating to eyes. S Phrase S 22-26 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Storage and Shipping Information Storage Store at +15C to +25C. Transport Information Declaration (railroad and road) ADR, RID Kein Gefahrgut Declaration (transport by air) IATA-DGR No Dangerous Good Declaration (transport by sea) IMDG-Code No Dangerous Good Specifications Assay (acidimetric, Na₂CO₃) 36.7 - 40.0% Assay (acidimetric; calculated on dried substance) 99.0% Identity passes test Appearance of solution passes test Alkali hydroxides and Alkali hydrogen carbonates passes test Chloride (Cl) 0.0050% Sulphate (SO₄) 0.0100% Heavy metals (as Pb) 0.0020% As (Arsenic) 0.0002% Cu (Copper) 0.0025% Fe (Iron) 0.0020% Hg (Mercury) 0.0001% Pb (Lead) 0.0002% Zn (Zinc) 0.0025% Residual solvents (ICH Q3C) excluded by manufacturing process Loss on drying (300 C) 55.0 - 65.0% Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). Corresponds to Ph Eur,BP,E 500 Conforms to the purity criteria on food additives according to the current European Commission Regulation.