| 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 | |