Celite® 512 medium
SIGALD/22152 - filter aid, calcined
Synonym: Diatomaceous earth, calcined
CAS Number: 91053-39-3
MDL Number: MFCD00132803
Product Type: Chemical
| composition | Al2O3, 4.0% |
| CaO, 0.6% | |
| Fe2O3, 1.1% | |
| Na2O + K2O, 1.1% | |
| SiO2, 91.5% | |
| form | powder |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
| median particle size | 16.4 μm (acc. to granulometric method (laser sizer)) |
| pH | <7 (25 °C, 10% in aq. suspension) |
| quality | calcined |
| Quality Level | 200  |
| SMILES string | O=[Si]=O |
| Caution: | Not Intended for cGMP Parenteral Pharmaceutical Manufacturing |
| General description: | Celite™ 512 medium is a filter aid derived from diatomaceous earth. 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: | 6538 is a trademark of American Type Culture Collection |
| 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 | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 11101527 |