Celite® 503
SIGALD/22151 - filter aid, treated with sodium carbonate, 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 |
InChI | 1S/O2Si/c1-3-2 |
InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
loss | ~0.2% loss on ignition, 900 °C |
particle size | ≤85.1 μm (80% (acc. to Cilas)) |
pH | >8.5 (25 °C, 10% in aq. suspension) |
quality | calcined |
treated with sodium carbonate | |
Quality Level | 200 ![]() |
SMILES string | O=[Si]=O |
Application: | Celite® 503 may be used as filter aid for the purification and isolation of crystalline desoxyribonuclease. |
Caution: | Not Intended for cGMP Parenteral Pharmaceutical Manufacturing |
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 | ![]() |
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 |