Celite® 535
SIGALD/22138 - filter aid, flux calcined
Synonym: Diatomaceous earth, flux-calcined
CAS Number: 68855-54-9
MDL Number: MFCD00132803
Product Type: Chemical
| composition | Al2O3, 4.0% |
| CaO, 0.5% | |
| Fe2O3, 1.3% | |
| Na2O + K2O, 3.3% | |
| SiO2, 89.6% | |
| form | powder or granules |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
| loss | ≤0.2% loss on ignition, 900 °C |
| particle size | ≤94.3 μm (81% (acc. to Cilas)) |
| pH | >8.5 (25 °C, 10% in aq. suspension) |
| quality | flux calcined |
| treated with sodium carbonate | |
| Quality Level | 200  |
| SMILES string | O=[Si]=O |
| Application: | Diatomaceous earth may be used as an adsorbent for column chromatography. |
| Disclaimer: | Not Intended for cGMP Parenteral Pharmaceutical Manufacturing |
| General description: | Diatomaceous earth is made up of natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with flux material. DE is widely used as filler in construction materials, paints and as an anti-caking agent for agricultural chemicals. It has high water and oil absorption ability. |
| Legal Information: | Celite is a registered trademark of Imerys Minerals California, Inc. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 5 kg in fiber drum |
| Symbol |  GHS08 |
| Signal word | Danger |
| Hazard statements | H372 |
| Precautionary statements | P260 - P264 - P270 - P314 - P501 |
| Hazard Codes | Xn |
| Risk Statements | 48/20 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 11101527 |