1.09385

Silica

for column chromatography (230-400 mesh ASTM)

• 別名: Silicon dioxide, 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

• 物質: silica gel (irregularly-shaped)
• 品質水準: 100
• 有効性: >5000 mg/kg LD₅₀, skin (Rabbit)
• 粒径: 40-63 μm
• ポアサイズ: 6 nm mean pore size
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• かさ密度: 200‑800 kg/m³
• アプリケーション: plasma purification
• 分離法: reversed phase
• 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

アプリケーション

Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM). CAS No. 7631-86-9, EC Number 231-545-4.

特徴および利点

Silica gel 60 (0.040-0.063 mm) 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): 30 - 40 µm
Particle Size (d50): 55 - 65 µm
Particle Size (d90): 95 - 110 µm
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: 13 - Non Combustible Solids
• WGK: nwg
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable