Sodium Bi Carbonate
CAS NO: 144-58-8
MOLECULAR FORMULA: NaHCO3
MOLECULAR WEIGHT: 84.01
Alternate Names: Sodium hydrogen carbonate Application: Sodium bicarbonate is a commonly used laboratory pH neutralizer that reacts with acids and bases Purity: ≥99% Appearance : Powder Physical State : Solid Solubility : Soluble in water (50 mg/ml). Insoluble in ethanol. Storage : Store at room temperature Melting Point : 300° C Density : 2.16 g/cm3 at 20° C Refractive Index : n20D 1.50 Ki Data : CA IV: Ki= 6.6 mM (human); CA I: Ki= 12 mM (human); CA IX: Ki= 13 mM (human); Astrosclerin-3: Ki= 22.8 mM (human); CA II: Ki= 85 mM (human) pK Values : pKa: 6.37, 10.25 in carbonic acid(25°C) 
Sodium Carbonate Anhydrous
CAS NO: 497-19-8
MOLECULAR FORMULA : CNa2O3
MOLECULAR WEIGHT : 105.99
Description Synonyms anhydrous soda Product Information Hill Formula CNa₂O₃ Chemical formula Na₂CO₃ Molar Mass 105.99 g/mol HS Code 2836 20 00 Quality Level MQ100 Applications Application Sodium carbonate anhydrous 99.999 Suprapur®. CAS No. 497-19-8, Physicochemical Information Boiling point 1600 °C (decomposition) Density 2.52 – 2.53 g/cm3 (20 °C) Melting Point 851 °C pH value 11.16 (4 g/l, H₂O, 25 °C) Bulk density 1100 kg/m3 Solubility 212.5 g/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) P264: Wash skin thoroughly after handling. P280: Wear 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. P337 + P313: If eye irritation persists: Get medical advice/ attention. Signal Word Warning RTECS VZ4050000 Storage class 10 – 13 Other liquids and solids WGK WGK 1 slightly 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 irritant Storage and Shipping Information Storage Store at +2°C to +30°C. Specifications Purity (metallic) ≥ 99.999 % Assay (acidimetric) ≥ 99.5 % Chloride (Cl) ≤ 10 ppm Phosphate (PO₄) ≤ 0.05 ppm Silicate (SiO₂) ≤ 5 ppm Sulfate (SO₄) ≤ 10 ppm Al (Aluminium) ≤ 0.05 ppm As (Arsenic) ≤ 0.1 ppm Ba (Barium) ≤ 5.0 ppm Ca (Calcium) ≤ 0.10 ppm Cd (Cadmium) ≤ 0.005 ppm Ce (Cerium) ≤ 0.010 ppm Co (Cobalt) ≤ 0.005 ppm Cr (Chromium) ≤ 0.010 ppm Cu (Copper) ≤ 0.005 ppm Eu (Europium) ≤ 0.010 ppm Fe (Iron) ≤ 0.05 ppm Hg (Mercury) ≤ 0.05 ppm K (Potassium) ≤ 1.0 ppm La (Lanthanum) ≤ 0.010 ppm Li (Lithium) ≤ 0.5 ppm Mg (Magnesium) ≤ 0.10 ppm Mn (Manganese) ≤ 0.010 ppm Ni (Nickel) ≤ 0.020 ppm Pb (Lead) ≤ 0.010 ppm Sc (Scandium) ≤ 0.010 ppm Sm (Samarium) ≤ 0.010 ppm Sr (Strontium) ≤ 0.10 ppm Tl (Thallium) ≤ 0.01 ppm Y (Yttrium) ≤ 0.010 ppm Yb (Ytterbium) ≤ 0.010 ppm Zn (Zinc) ≤ 0.010 ppm 
Urea
CAS NO: 57-13-6
MOLECULAR FORMULA: CH4N2O
MOLECULAR WEIGHT : 60.06
Description Synonyms Carbamide, Carbonyl diamide, Diaminomethanone, Carbonyldiamine Product Information CAS number 57-13-6 Grade ACS,Reag. Ph Eur Hill Formula CH₄N₂O Chemical formula CO(NH₂)₂ Molar Mass 60.05 g/mol HS Code 3105 10 00 Structure formula Image Quality Level MQ200 Physicochemical Information Density 1.32 g/cm3 (20 °C) Melting Point 134 °C pH value 7.5 – 9.5 (480 g/l, H₂O, 25 °C) Vapor pressure <0.1 hPa (25 °C) Bulk density 720 – 760 kg/m3 Solubility 1000 g/l Toxicological Information LD 50 oral LD50 Rat 8471 mg/kg LD 50 dermal LD50 Rat 8200 mg/kg Safety Information according to GHS RTECS YR6250000 Storage class 10 – 13 Other liquids and solids WGK WGK 1 slightly hazardous to water Disposal 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Storage and Shipping Information Storage Store at +15°C to +25°C. Specifications Assay (ex N) 99.0 – 100.5 % Assay (ex N, calc. on dried substance) 99.0 – 101.5 % Purity (DSC (differential scanning calorimetry)) ≥ 99.5 mol% Identity (IR-spectrum) passes test Appearance of solution (10 %; Wasser; color) colourless Appearance of solution (10 %; Wasser; clarity) clear In water insoluble matter ≤ 0.003 % Acidity, Alkalinity ≤ 0.0005 meq/g Melting point (DSC) 132 – 135 °C NH₄ (Ammonium) ≤ 0.0500 % Chloride (Cl) ≤ 0.0005 % Sulfate (SO₄) ≤ 0.001 % Heavy metals (as Pb) ≤ 0.0004 % Biuret ≤ 0.05 % Sulfated ash (600 °C) ≤ 0.005 % Cu (Copper) ≤ 0.0001 % Fe (Iron) ≤ 0.0001 % Pb (Lead) ≤ 0.0002 % Loss on Drying (105 °C) ≤ 1.0 % Corresponds to ACS, Reag. Ph Eur
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