Skip to Content
Merck
CN
All Photos(1)

Documents

1.09336

Millipore

LiChroprep® Si 60 (15-25 µm)

for liquid chromatography

Synonym(s):

Silica, Silicon dioxide

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
UNSPSC Code:
41115711
EC Index Number:
231-545-4

material

silica gel (irregularly-shaped)

Quality Level

product line

LiChroPrep®

potency

>5000 mg/kg LD50, skin (Rabbit)

matrix active group

Irregular-Shaped Silica Gel

particle size

15-40 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)

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

Looking for similar products? Visit Product Comparison Guide

General description

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

Application

LiChroprep Si 60 (15-25 µm) for liquid chromatography. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.

Features and Benefits

LiChroprep® Si 60 (15-25 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
Loss on drying (150 °C): 5.5 - 6.5 %
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
particle size (Malvern) (d10): 11.0 - 16.0 µm
particle size (Malvern) (d50): 18.0 - 24.0 µm
particle size (Malvern) (d90): 27.0 - 37.0 µm
Application test (2-Nitrotoluene): conforms
Pressure: ≤ 15.0 bar
Separation efficiency (2-Nitrotoluene): ≥ 8000
Leading: ≤ 7 %
Tailing: ≤ 11 %
Symmetry: 0.8 - 1.5
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 Code

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service