1.09389

Sílica

for column chromatography

• Sinônimo(s): Dióxido de silício
• Fórmula linear: SiO₂
• Número CAS: 7631-86-9
• Peso molecular: 60.08
• Número MDL: MFCD00011232
• Código UNSPSC: 41115711
• Número do índice EC: 231-545-4

Propriedades

• Nível de qualidade: 100
• Formulário: solid
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• p.e.: 2230 °C (lit.)
• pf: >1600 °C (lit.)
• densidade volumétrica: 200‑1430 kg/m³
• temperatura de armazenamento: no temp limit
• cadeia de caracteres SMILES: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• chave InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Descrição

Descrição geral

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

Características e benefícios

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

Embalagem

Plastic bottle

Nota de análise

pH-value (10 % suspension): 6.5 - 7.5
Fe (Iron): ≤ 0.02 %
Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
Loss on drying (150 °C): ≤ 9.0 %
Particle Size (d10):
Particle Size (d50):
Particle Size (d90):
The specific surface area and the pore volume are related to the raw material.

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): nwg
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable