Florisil ® for Preparative and Analytical Chromatography

FLORISIL ®  has extensive uses and is unique because it is comprised of extremely white, hard-powdered synthetic magnesium-silicate. This highly selective adsorbent can also provide high-quality cannabis and hemp extracts and concentrates that are free of many widely-used pesticides.

It’s an established industry standard for adsorbing pesticides and other undesirable contaminants to produce clearer and more attractive products.

FLORISIL® is particularly useful for the separation and purification of polar compounds, such as alcohols and amines, as it has a high affinity for these types of molecules. It is also resistant to chemical degradation, making it suitable for use with a wide range of solvents and sample matrices.

Overall, FLORISIL® is a valuable tool in analytical chemistry, and it is widely used in research and industry to isolate and purify specific compounds from complex mixtures.

Florisil Benefits:

  • Effectively remove many commonly used pesticides and color
  • Remove haze and obtain crystal-clear extracts
  • Minimize loss of your high-value components
Florisil® for Preparative and Analytical Chromatography

Florisil Applications:

  • Adsorption/removal of polyethers
  • Filtration
  • Parting/release agent
  • Gravity column chromatography
  • Thin Layer Chromatography
  • Purification of APIs and active pharmaceuticals
  • Removal of pesticide residues
  • Purification or separation of chlorinated pesticides
  • Isolation of steroids, alkaloids, sex hormones, and related compounds
  • Separation of lipids
  • Sample preparation—metal organics, aliphatic carboxylic acids, PCBs, PAHs
  • Separation of nitrogen compounds from hydrocarbons
  • Isolation of antibiotics
  • Vitamin assays
  • Catalyst support media
Florisil Chemical Symbol

Typical Chemical Grades:

  • Florisil A Grade: Standard activation grade, activated at 650° C
  • Florisil PR Grade: Pesticide residue analysis grade, activated at 675° C (**see note below)

Typical chemical composition of Florisil: MgO – 15.5%, SiO2 – 84.0%, Na2SO4 – 0.5%

* Inquire about other available grades, mesh sizes, and package sizes.

**Before shipment, each lot of the 60/100 Florisil PR grade is required to meet the performance characteristics as described in “Changes of Official Methods”, Journal of the A.O.A.C. Chapter 24.208(h), p.223, Vol. 49, Nov. 1, 1966.

* Florisil products are manufactured by U. S. Silica Co. Florisil is a registered trademark of U.S. Silica Co.

Catalog No.DescriptionPrice (USD)
09415-05Florisil, A Grade, Activated at 650 C, 30x60mesh, 500g Buy now $219.79
09415-20Florisil, A Grade, Activated at 650 C, 30x60mesh, 20kg Inquire
09420-05Florisil, A Grade, Activated at 650 C, 60x100mesh, 500g Buy now $219.79
09420-20Florisil, A Grade, Activated at 650 C, 60x100mesh, 20kg Inquire
09425-05Florisil, A Grade, Activated at 650 C, 100x200 mesh, 500g Buy now $219.79
09425-20Florisil, A Grade, Activated at 650 C, 100x200 mesh, 20kg Inquire
09425-3Florisil, A Grade, Activated at 650 C, 100x200 mesh, 3kg Inquire
09435-05Florisil, A Grade, Activated at 650 C, -200 mesh, 500g Buy now $219.79
09435-20Florisil, A Grade, Activated at 650 C, -200 mesh, 20kg Inquire
09435-3Florisil, A Grade, Activated at 650 C, -200 mesh, 3kg Inquire
09500-05Florisil, PR Grade, 60x100 mesh, 500g Buy now $346.14
09500-20Florisil, PR Grade, 60x100 mesh, 20kg Inquire

Free Fall Density = 31.7 lbs./cu. ft.

Chemical Composition
MgO 15.0-16.0 %
Si02 83.95-84.05%
Na2S04 1.0 % max. (0.5 % avg.)
Typical Physical Properties
Color White
pH 8.5
Surface Area 298 m2/g (BET Method)
Specific Gravity 2.51
Surface Acidity, pKa approx 1.5
Voids 26%
Pores 56%
Bulk Density 29 lbs/cu ft