1.09390
LiChroprep® Si 60 (25-40 µm)
for liquid chromatography
Synonym(s):
Silica, Silicon dioxide
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
UNSPSC Code:
41115711
EC Index Number:
231-545-4
MDL number:
material
silica gel (irregularly-shaped)
Quality Segment
potency
>5000 mg/kg LD50, skin (Rabbit)
matrix active group
Irregular-Shaped Silica Gel
particle size
20-40 μm
pore size
6 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)
pharma/biopharma processes
plasma purification
separation technique
reversed phase
storage temp.
no temp limit
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
irregularly shaped silica gel matrix ideal for simple adsorption processes and normal-phase chromatography
Application
LiChroprep Si 60 (25-40 µm) for liquid chromatography. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.
Features and Benefits
LiChroprep® Si 60 (25-40 µm) provides users with:
- Reproducible, homogeneous, irregularly shaped silica gel matrix
- Narrow, well defined particle size distribution for high performance and high permeability
- Large batch sizes up to 200 kg in the modification
Packaging
Plastic bottle
Analysis Note
pH-value (10 % suspension): 6.5 - 7.5
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
Particle Size (d10): 14 - 17 µm
Particle Size (d50): 22 - 28 µm
Particle Size (d90): 33 - 43 µm
Pressure: ≤ 5.0 bar
Application test (2-Nitrotoluene): conforms
Separation efficiency (2-Nitrotoluene): ≥ 5000
Leading: ≤ 5.0 %
Tailing: ≤ 10 %
Symmetry: 0.8 - 1.6
Capacity factor: ≥ 0.3
The specific surface is related to silica gel raw material.
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
Particle Size (d10): 14 - 17 µm
Particle Size (d50): 22 - 28 µm
Particle Size (d90): 33 - 43 µm
Pressure: ≤ 5.0 bar
Application test (2-Nitrotoluene): conforms
Separation efficiency (2-Nitrotoluene): ≥ 5000
Leading: ≤ 5.0 %
Tailing: ≤ 10 %
Symmetry: 0.8 - 1.6
Capacity factor: ≥ 0.3
The specific surface is related to silica gel raw material.
Legal Information
LICHROPREP is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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