1.19682

PharmPrep^® P Si 100, 20µm

PharmPrep^® P Si100, 20µm. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.

• Synonym(s): Silica, Silicon dioxide
• Linear Formula: SiO₂
• CAS Number: 7631-86-9
• Molecular Weight: 60.08
• MDL number: MFCD00011232
• UNSPSC Code: 41115709
• EC Index Number: 231-545-4

Properties

• material: spherical silica gel
• Quality Level: 100
• potency: >5000 mg/kg LD₅₀, skin (Rabbit)
• parameter: ≤25 bar max. pressure
• pore size: 10 nm mean pore size
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• bulk density: 200‑800 kg/m³
• application(s): plasma purification
• separation technique: reversed phase
• storage temp.: 2-30°C
• SMILES string: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Description

Application

PharmPrep P Si100, 20µm. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.

Analysis Note

Purity (Al): ≤ 50 ppm
Purity (Fe): ≤ 25 ppm
Purity (Na): ≤ 25 ppm
theoretical number of plates (2-Nitrotoluene): ≥ 7000 1 / m
Pressure: ≤ 10 bar
Pore volume: 0.8 - 0.9 ml/g
Specific surface area (BET): 320 - 400 m²/g
Particle Size (d10): 10.0 - 15.0 µm
Particle Size (d50): 16.0 - 23.0 µm
Particle Size (d90): 25.0 - 40.0 µm

Legal Information

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable