Description
Silica gel 500 is a fine-particle chromatography sorbent with the empirical formula SiO₂ (CAS 7631-86-9), supplied at a defined particle size of 0,035–0,07 mm (220–400 mesh). Its molar mass is 60,09 g/mol and the density ranges from 2,1 to 2,2 g/cm³, supporting reproducible packing and separation behaviour in analytical and preparative workflows. This grade is intended for use as a sorbent in chromatography applications where controlled particle distribution and silica-based surface chemistry are required. The material is Silica gel 500 from manufacturer Carl ROTH fits laboratories working with analytical chemicals and dedicated silica gels for chromatography, providing a clearly specified particle-size window for consistent bed formation. With EG number 231-545-4 and well-documented physicochemical data, it integrates readily into standard sorbent selection and documentation practices for chromatographic separations.
This article is part of Sorbents, silica gel & ion exchangers, in SPE & sample preparation.
Key features
- Appearance: white powder
- Pore diameter: ~500 Å
- Loss on drying (160 °C): ≤6 %
- Pore volume (N2): ≥1,0 ml/g
- Specific surface: 70-90 m2/g
- Volatile parts (950 °C): ≤10,0 %
- SiO2 content (dry substance): ≥99,3 %
- Fe2O3 content (dry substance): ≤0,014 %
- Na2O content (dry substance): ≤0,15 %
- SO4 content: ≤0,10 %
- CAS number: 7631-86-9
- Pack sizes: 250 g, 500 g, 1 kg, 2.5 kg, 100 g
- EG nr.: 231-545-4
- Molar mass: 60,09 g/mol
- Density: 2,1–2,2 g/cm³
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Silica gel 500, 0,035-0,07 mm (220-400 mesh), 100 g, plastic
What is this article?
Silica gel 500, 0,035-0,07 mm (220-400 mesh), 100 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Sorbents, silica gel & ion exchangers, inside SPE & sample preparation, in Chromatography equipment.
Loose sorbent, silica gel and ion-exchange resin are the phases bought in bulk to pack a column or to stir into a solution. Particle size and activity, or the ion-exchange capacity, are the specification. A TLC silica and a flash silica of different particle sizes are not the same separation.
Solid-phase extraction holds a compound on a sorbent while the rest of the sample is washed away, then releases it in a small volume. The sorbent, the bed mass and the solvents are the method. Silica, ion exchangers and polymer phases do different jobs. A flash column is the same idea scaled toward purification rather than trace cleanup. The molecules are on PubChem, named by IUPAC.
Which category should I open next?
The category is SPE & sample preparation. The sub-category is Sorbents, silica gel & ion exchangers. The catalogue is Chromatography equipment.
Shelves beside this one are SPE cartridges & columns and Flash, empty & glass chromatography columns.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.