Description Catalogue Number 106329 Synonyms Sodium bicarbonate Product Information CAS number 144-55-8 EC number 205-633-8 Grade ACS,Reag.Ph Eur Hill Formula CHNaO₃ Chemical formula NaHCO₃ Molar Mass 84.01 g/mol HS Code 2836 30 00 Structure formula Image Applications Application Sodium hydrogen carbonate for analysis EMSURE® ACS,Reag.Ph Eur. CAS No. 144-55-8, EC Number 205-633-8. Physicochemical Information Density 2.22 g/cm3 (20 °C) Melting Point 270 °C (decomposition) pH value 8.6 (50 g/l, H₂O, 20 °C) Bulk density 1000 kg/m3 Solubility 96 g/l Toxicological Information LD 50 oral LD50 Rat 4220 mg/kg Safety Information according to GHS RTECS VZ0950000 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). Storage and Shipping Information Storage Store at +5°C to +30°C. 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 Appearance of solution passes test Identity passes test Assay (acidimetric; calculated on dried substance) 99.7 - 100.3 % Assay (acidimetric) 99.0 - 101.0 % Insoluble matter ≤ 0.015 % pH-value (5 %; water) ≤ 8.6 Chloride (Cl) ≤ 0.002 % Phosphate (PO₄) ≤ 0.001 % Sulphate (SO₄) ≤ 0.015 % Phosphate and Silicate (as SiO₂) ≤ 0.005 % Sulfur compounds (as SO₄) ≤ 0.003 % Total nitrogen (N) ≤ 0.0005 % Ammonium (NH₄) ≤ 0.0005 % Heavy metals (as Pb) ≤ 0.0005 % As (Arsenic) ≤ 0.0002 % Ca (Calcium) ≤ 0.01 % Cu (Copper) ≤ 0.0002 % Fe (Iron) ≤ 0.0005 % K (Potassium) ≤ 0.005 % Mg (Magnesium) ≤ 0.005 % Pb (Lead) ≤ 0.0005 % Iodine reducing matter (as I) ≤ 0.0065 % Loss on drying (Silica gel) ≤ 0.20 % Corresponds to ACS, Reag. Ph Eur
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