SiliCycle Scavenging Solutions
Since ancient times, chemists have searched techniques and tools to separate, isolate, purify chemical substances from one another to improve the quality of life.
SiliCycle grafted technology enables stronger purification processes to achieve new purity standards.
Our solutions are extremely versatile and customizable, hence suitable for a vast array of various industries, facing different contamination issues.
Discover what the scavenging technology from SiliCycle has to offer and how it can assist you in these times of environmental changes and tighter quality controls.
Easier, Cleaner, Faster, Cheaper, Stronger Purification Processes Using Metal & Organic Scavengers
Over 17 years of know-how in silica-grafting and scavenging technology:
- Broadest portfolio of scavengers with associated applications
- Largest range of metals and organics to be scavenged
- Wide range of formats for all purifications scales : from laboratory to plant scale
- Successful technology for a variety of fields, such pharmaceuticals, organic chemistry labs, agrochemicals, mining, fine chemicals, water and waste treatments
- Great compatibility for a myriad of experimental conditions, solvents, pH and temperature extremes
- Amazing chemical, physical, thermal and mechanical stability
SiliCycle Has Pioneered the Field of Functionalized Silica, so You Can Benefit From Our Scavenging Expertise
Challenging purifications in chemistry can be overcome creatively and elegantly.
At SiliCycle, silica gels are functionalized with various molecules featuring remarkable scavenging properties toward different metals and/or organics.
We name our metal scavengers SiliaMetS and our organic scavengers SiliaBond.
This new technology combines the benefits of century-old purification techniques, while integrating new assets that are becoming more and more critical in modern industries. New purification procedures need to be more sensitive, more efficient, quicker and greener.
It is because of today’s strive for performance yet environmental concerns that silica-based scavengers were developed : they are a strong, powerful tool with an eco-friendly twist :
- Reduced purification steps
- No swelling to cut cross-contaminations
- Less solvent needed
- Efficient precious metal recovery
Please learn more on those powerful tools for your purification goals via the following links:
... And discover our vast range of various grafted functionalities for scavenging purposes:
This metal scavenger kit includes the following products: Cysteine - DMT - Imidazole - Triamine - TAAcOH - TAAcONa - Thiol - Thiourea
SiliaMetS® Triamine (SiliaMetS WAX-3, Si-TRI) is effective for scavenging metals such as Pb, Co, Ru and Pd. Our screening studies have shown it to be the preferred scavenger for Pb. It can also be used as a scavenger for acid chlorides, isocyanates and other electrophiles.
SiliaMetS® Diamine (Si-DIA) is a proven scavenger for metals and electrophiles. It scavenges acids, acid chlorides, anhydrides, aldehydes, isocyanates, and chloroformates as well as Pb, Ni, and Cd.
SiliaMetS Thiol is our most versatile and robust metal scavenger for a variety of metals under a wide range of conditions.
SiliaMetS® TAAcOH (SiliaMetS Triaminetetraacetic Acid) is a silica bound metal scavenger for Pd(0), Ni(0) and Cu. It is the supported version of EDTA in its free form. It is an effective scavenger for metals in low or zero oxidation states, which includes many of the most synthetically useful catalysts such as tetrakis-(triphenylphosphine)palladium(0).
SiliaMetS® TAAcONa or (or SiliaMetS Triaminetetraacetate, sodium salt) is a silica bound metal scavenger for Pd(II), Ni(II) and Cu. It is the supported version of EDTA in its sodium salt form. It is an effective scavenger for metals in higher oxidation state, 2+ or higher.
SiliaMetS® Thiourea (Si-THU) is a versatile metal scavenger for all forms of palladium and is widely used in the pharmaceutical industry. It works particularly well in organic solvents. It can also be used to scavenge Ag, Pt, Ru, Rh and Hg. Once complexed with a transition metal, it has been reported as being an effective catalyst.
SiliaMetS DMT is the silica - bound equivalent of 2,4,6 - trimercaptotriazine (trithiocyanuric acid, TMT). It is a versatile metal scavenger for a variety of metals and the preferred metal scavenger for ruthenium catalysts and hindered Pd
complexes (i.e. Pd(dppf)Cl2).
SiliaMetS® Imidazole (Si-IMI) is a versatile metal scavenger for a variety of metals including Cd, Co, Cu, Fe, Ni, Pd, and Rh under a wide range of conditions and the preferred metal scavenger for iron catalysts.
SiliaMetS Imidazole can also be used as an amine base in systems that are generally sensitive to basic conditions compared to other SiliaMetS supported bases.
SiliaMetS® Cysteine (Si-Cys) is the silica bound equivalent of the amino acid Cysteine. By attaching the molecule to the backbone via the amino group, the thiol group remains free and accessible for higher metal scavenging efficiency. It is a versatile metal scavenger for a variety of metals including Pd, Sn, Ru, Pt, Cu, Rh, Cd and Sc under a wide range of conditions and the preferred metal scavenger for tin residues.
SiliaMetS DEAM is a versatile scavenger designed to remove trace metal or boronic acids from reaction intermediates or final APIs.
This metal scavenger kit includes the following products: AMPA - DEAM - DOTA - DMT - Guanidine - Thiol
SiliaMetS AMPA is an aminomethylphosphonic acid ligand known for its excellent metal-bonding properties. It is particularly efficient to remove Aluminium, Antimony, Nickel, Lanthanides, and also very effective for Cobalt, Iron, Manganese and Zinc scavenging from reaction intermediates or final APIs.
SiliaMetS® Tin Metal Scavenger Kit: Carbonate; Cysteine; DEAM; DMT; TAAcOH; TAAcONa; Thiol; Thiourea
This kit includes the following products : DMT - Diamine - Thiol - Thiourea - Imidazole - Triamine
SiliaMetS DOTA is a silica-supported tetracarboxylic acid and its various conjugate bases. DOTA molecule is a well-adopted complexing agent. Linked to various metals, so formed-complexes are used as contrast agents in cancer
treatments or other medical applications.