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SiliaMetS Metal Scavengers Portfolio

We have the largest portfolio of grafted scavengers on the market and the largest spectrum of functionalities.

All SiliaMetS / SiliaBond Scavengers can be used in a pH range of 2 to 12 and most of them can withstand temperatures up to 150°C.

Standard scavengers are grafted on 40 - 63 µm, 60 Å silica gel.

All functionalities are also available on any other of our bare silica gels, with various particle and pore diameters.

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  1. SiliaMetS thiol metal scavenger - Best scavenger: Ag, Hg, Os, Pd & Ru - Good scavenger: Cu, Ir, Pb, Rh & Sn

    SiliaMetS® Thiol metal scavenger

    SiliaMetS Thiol is our most versatile and robust metal scavenger for a variety of metals under a wide range of conditions.
  2. SiliaMetS Dimercaptotriazine (DMT) metal scavenger

    SiliaMetS® Dimercaptotriazine (DMT)

    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).
  3. SiliaBond® Amine

    SiliaBond® Amine

    SiliaBond® Amine (Si-NH2) is an effective scavenger of acid chlorides, sulfonyl chlorides, isocyanates and other electrophiles. Si-NH2 has been shown to be effective metal scavenger and catalyst for Knoevenagel reactions. SiliaBond Amine is also used in chromatography as normal phase sorbent.

  4. SiliaMetS® Diamine

    SiliaMetS® Diamine

    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.

  5. SiliaMetS® Triamine

    SiliaMetS® Triamine

    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.

  6. SiliaMetS® AMPA

    SiliaMetS® AMPA

    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. 

  7. SiliaMetS® Cysteine

    SiliaMetS® Cysteine

    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.

  8. SiliaMetS® DEAM

    SiliaMetS® DEAM

    SiliaMetS DEAM is a versatile scavenger designed to remove trace metal or boronic acids from reaction intermediates or final APIs. 

  9. SiliaMetS DOTA

    SiliaMetS DOTA

    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.
  10. SiliaMetS® Imidazole

    SiliaMetS® Imidazole

    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.

  11. SiliaMetS® TAAcOH

    SiliaMetS® TAAcOH

    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).

  12. SiliaMetS® TAAcONa

    SiliaMetS® TAAcONa

    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.

  13. SiliaMetS® Thiourea

    SiliaMetS® Thiourea

    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.

  14. SiliaBond Tosic Acid (SCX) metal scavenger

    SiliaBond® Tosic Acid (SCX)

    SiliaBond Tosic Acid (SiliaBond SCX, Si-TsOH) is a versatile bound strong acid with a pka <<1. It is widely used for the scavenging of amines and other basic functionalities, including weakly basic anilines, borohydrides, and metals such as Ni and Ag. It can also be used as an acid catalyst for organic reactions. Si-TsOH can serve as an alternative method to quench reactions instead of aqueous or organic soluble acids.
  15. SiliaMetS metal scavenger kit (K30730B). Includes the following products: Cysteine, DMT, Imidazole, Triamine, TAAcOH, TAAcONa, Thiol & Thiourea

    SiliaMetS® Metal Scavenger Kit (K30730B)

    This metal scavenger kit includes the following products: Cysteine - DMT - Imidazole - Triamine - TAAcOH - TAAcONa - Thiol - Thiourea
  16. SiliaMetS Palladium Metal Scavenger Kit - Includes: DMT - Diamine - Thiol - Thiourea - Imidazole - Triamine

    SiliaMetS® Palladium Metal Scavenger Kit (K34630B)

    This kit includes the following products : DMT - Diamine - Thiol - Thiourea - Imidazole - Triamine
  17. SiliaMetS Novel Scavenger Kit. Includes the following products: AMPA - DEAM - DOTA - DMT - Guanidine - Thiol

    SiliaMetS® Novel Scavenger Kit (K34530B)

    This metal scavenger kit includes the following products: AMPA - DEAM - DOTA - DMT - Guanidine - Thiol
  18. SiliaMetS Tin Metal Scavenger Kit (K34730B) - Includes the following products: Carbonate - Cysteine - DEAM - DMT - TAAcOH - TAAcONa - Thiourea - Thiol

    SiliaMetS® Tin Metal Scavenger Kit (Carbonate; Cysteine; DEAM; DMT; TAAcOH; TAAcONa; Thiol; Thiourea) (K34730B)

    SiliaMetS® Tin Metal Scavenger Kit: Carbonate; Cysteine; DEAM; DMT; TAAcOH; TAAcONa; Thiol; Thiourea

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