Sodium Silicate Solution EP 250KG
extra pure
Manufacturer: Merck
Catalog ID: 105621.9250
Stock: In Stock
Description
| Catalogue Number | 105621 |
Product Information
| HS Code | 2839 19 00 |
Physicochemical Information
| Boiling point | >100 °C (1013 hPa) |
| Density | 1.35 g/cm3 (20 °C) |
| pH value | 11.0 - 11.5 (50 g/l, H₂O, 20 °C) |
Toxicological Information
| LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Identity | passes test |
| Assay (acidimetric, Na₂O) | 7.5 - 8.5 % |
| Assay (acidimetric, SiO₂) | 25.5 - 28.5 % |
| Density (20 °C) | 1.296 - 1.396 g/ml |
| Carbonate (as CO₂) | passes test |
| Fe (Iron) | ≤ 50 ppm |
| Heavy metals (as Pb) | ≤ 50 ppm |
