22140

Celite^® 545

filter aid, treated with sodium carbonate, flux calcined

• Synonym(e): Diatomeenerde, fluxcalciniert
• CAS-Nummer: 68855-54-9
• EG-Nummer: 272-489-0
• MDL-Nummer: MFCD00132803
• UNSPSC-Code: 11101527
• PubChem Substanz-ID: 329752266
• NACRES: SB.54

Eigenschaften

• Qualitätsniveau: 200
• Form: powder
• Qualität: flux calcined; treated with sodium carbonate
• Zusammensetzung: Al₂O₃, 1.0% ; CaO, 6.73% ; Fe₂O₃, 0.46% ; Na₂O + K₂O, 1.88% ; SiO₂, 89.0%
• Mediane Partikelgröße: ≤125.30 μm (71% (acc. to Cilas))
• pH-Wert: >8.5 (25 °C, 10% in aq. suspension)
• SMILES String: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChIKey: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

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.

Anwendung

Diatomaceous earth may be used as an adsorbent for column chromatography.

Vorsicht

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Rechtliche Hinweise

Celite is a registered trademark of Imerys Minerals California, Inc.

Sicherheitshinweise

• Piktogramme: GHS08
• Signalwort: Danger
• H-Sätze: H372
• P-Sätze: P260 - P264 - P270 - P314 - P501
• Gefahreneinstufungen: STOT RE 1 Inhalation
• Zielorgane: Lungs
• Lagerklassenschlüssel: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable