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| LC5271 Sodium tungstate dihydrate for analysis |
| Order number | Packaging | Quantity | Price € |
| AC32271 | Plastic bottle | 250 g | 56.25 |
| AC32271 | Plastic bottle | 1 kg | 171.00 |
| Product information | |
| Hill Formula | Na2O4W * 2 H2O |
| Chemical formula | Na2WO4 * 2 H2O |
| HS Code | 2841 80 00 |
| EC number | 236-743-4 |
| Molar mass | 329.86 g/mol |
| CAS number | 10213-10-2 |
| Chemical and physical data | |
| Solubility | 730 g/l (20 °C) |
| Melting point | 100 °C Elimination of water of crystallisation |
| Molar mass | 329.86 g/mol |
| Density | 3.23 g/cm3 (20 °C) |
| Bulk density | 1600 kg/m3 |
| pH value | 9 – 11.5 (100 g/l, H2O, 20 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H302: Harmful if swallowed. |
| Signal Word | Warning |
| Hazard Pictogram(s) |  |
| RTECS | YO7900000 |
| 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 | |
| R Phrase | R 22 Harmful if swallowed. |
| Categories of danger | harmful |
| Hazard Symbol |  Harmful |
| Toxicological data | |
| LD 50 oral | LD50 rat 1190 mg/kg |
| Specifications | |
| Assay (thermogravimetric) | ≥ 99 % |
| Identity (x-ray diffraction) | passes test |
| Free alkali (as NaOH) | ≤ 0.05 % |
| Chloride (Cl) | ≤ 0.003 % |
| Sulphate (SO4) | ≤ 0.01 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.0005 % |
| Mo (Molybdenum) | ≤ 0.005 % |
| Pb (Lead) | ≤ 0.001 % |