1.07027

Geduran^® Si 60

for High Performance Flash Chromatography

• Synonym(s): Silica, Silicon dioxide
• Linear Formula: SiO₂
• CAS Number: 7631-86-9
• Molecular Weight: 60.08
• UNSPSC Code: 41115711
• EC Index Number: 231-545-4
• MDL number: MFCD00011232

Properties

• Quality Segment: 100
• 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

Description

Analysis Note

pH-value (10 % suspension): 6.5 - 7.5
Fe (Iron): ≤ 0.02 %
Loss on drying: ≤ 9.0 %
particle size (Malvern) (d10): 20 - 25 µm
particle size (Malvern) (d50): 35 - 45 µm
particle size (Malvern) (d90): 60.0 - 70.0 µm

Legal Information

GEDURAN is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

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