1.09389

Silicium(IV)-oxid

for column chromatography

• Synonym(e): Siliziumdioxid
• Lineare Formel: SiO₂
• CAS-Nummer: 7631-86-9
• Molekulargewicht: 60.08
• UNSPSC Code: 41115711
• EC Index Number: 231-545-4
• MDL number: MFCD00011232

Eigenschaften

• Quality Segment: 100
• form: solid
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• bulk density: 200‑1430 kg/m³
• application(s): pharma/biopharma processes
• storage temp.: no temp limit
• SMILES string: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Beschreibung

General description

Irregular-shaped Silica gel with narrow, well defined particle size distribution delivering high separating performance, permeability and good reproducibility

Features and Benefits

Silica gel 60 (35-70 µm)provides users with:

• High adsorptive capacity
• High chemical inertness and non-toxicity.
• Protective moisture-sensitive substances during storage and transport or for maintaining the dryness of anhydrous solvents.
• Granulates in different sizes or beads

Packaging

Plastic bottle

Analysis Note

pH-Wert (10 %ige Suspension): 6.5 - 7.5
Fe (Eisen): ≤ 0.02 %
Spezifische Oberfläche (nach BET; 5-Pkt. Messung): 480 - 540 m²/g
Porenvolumen (N₂-Isotherme): 0.74 - 0.84 ml/g
Trocknungsverlust (150 °C): ≤ 9.0 %
Korngröße (d10):
Korngröße (d50):
Korngröße (d90):
Die spezifische Oberfläche und das Porenvolumen beziehen sich auf den Kieselgelrohstoff.

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable