1.09389

シリカ

for column chromatography

• 別名: 二酸化ケイ素
• 化学式: SiO₂
• CAS番号: 7631-86-9
• 分子量: 60.08
• MDL番号: MFCD00011232
• UNSPSCコード: 41115711
• EC Index Number: 231-545-4

特性

• 品質水準: 100
• 形状: solid
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• かさ密度: 200‑1430 kg/m³
• 保管温度: no temp limit
• SMILES記法: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

詳細

詳細

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

特徴および利点

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

包装

Plastic bottle

アナリシスノート

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.

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: nwg
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable