Silicon Dioxide Colloidal 500g
colloidal, highly dispersed EMPROVE® ESSENTIAL Ph Eur,NF,JP,E 551
Manufacturer: Merck
Catalog ID: 113126.0500
Stock: In Stock
Description
| Catalogue Number | 113126 |
Product Information
| CAS number | 7631-86-9 |
| EC number | 231-545-4 |
| Grade | Ph Eur,NF,JP,E 551 |
| Hill Formula | O₂Si |
| Chemical formula | SiO₂ |
| Molar Mass | 60.08 g/mol |
| HS Code | 2811 22 00 |
Physicochemical Information
| Boiling point | 2230 °C (1013 hPa) |
| Melting Point | 1710 °C |
| pH value | 7 (100 g/l, H₂O, 20 °C) (slurry) |
| Bulk density | 200 - 1430 kg/m3 |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Identity | passes test |
| Assay (calculated on calcined substance) | 99.0 - 100.5 % |
| Substances soluble in water | ≤ 5 % |
| pH-value (4 %, water) | 3.5 - 5.5 |
| Chloride (Cl) | ≤ 0.011 % |
| Heavy metals (as Pb) | ≤ 0.0025 % |
| Al (Aluminium) | ≤ 0.0010 % |
| As (Arsenic) | ≤ 0.0003 % |
| Ca (Calcium) | conforms |
| Fe (Iron) | ≤ 0.0500 % |
| Hg (Mercury) | ≤ 0.0001 % |
| Pb (Lead)* | ≤ 0.0005 % |
| Pb (Lead) (ICP)* | ≤ 0.0005 % |
| Residual solvents (ICH Q3C) | excluded by production process |
| Loss on ignition (out of dried substance) | ≤ 2.0 % |
| Loss on drying | ≤ 2.5 % |
| Spec. surface | 200 ± 25 |
| Volume test | passes test |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). Conforms to the purity criteria on food additives according to the current European Commission Regulation. | |
| Corresponds to Ph Eur,NF,JP,E 551 |
