Date published: 2026-4-24

1-800-457-3801

SCBT Portrait Logo
Seach Input

Potassium trimethylsilanolate (CAS 10519-96-7)

0.0(0)
Write a reviewAsk a question

Alternate Names:
Trimethylsilanol potassium salt
CAS Number:
10519-96-7
Purity:
≥90%
Molecular Weight:
128.29
Molecular Formula:
C3H9KOSi
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

Potassium trimethylsilanolate (KTMOS) is an organosilicon compound that finds extensive use in diverse scientific research applications. Potassium trimethylsilanolate exists as a white, crystalline powder that is insoluble in water and has a melting point around 150°C. Its synthesis involves the reaction of trimethylsilanol and potassium hydroxide. Potassium trimethylsilanolate serves as a versatile compound with a unique set of properties, rendering it valuable for various applications. It has been employed as a catalyst in organic reactions, a reagent in organic compound synthesis, and a stabilizer for enzymes. The distinguishing features of potassium trimethylsilanolate contribute to its versatility. It possesses a low melting point, is insoluble in water, and exhibits amphoteric behavior, allowing it to function as either an acid or a base depending on the pH of the solution. Moreover, as an electron-rich compound, Potassium trimethylsilanolate can act as a Lewis acid or a Lewis base. These attributes make potassium trimethylsilanolate useful in a variety of applications across scientific research.


Potassium trimethylsilanolate (CAS 10519-96-7) References

  1. Potassium trimethylsilanolate induced cleavage of 1,3-oxazolidin-2- and 5-ones, and application to the synthesis of (R)-salmeterol.  |  Coe, DM., et al. 2003. Org Biomol Chem. 1: 1106-11. PMID: 12926383
  2. Cross-coupling of alkynylsilanols with aryl halides promoted by potassium trimethylsilanolate.  |  Denmark, SE. and Tymonko, SA. 2003. J Org Chem. 68: 9151-4. PMID: 14604401
  3. Validation of the existence of tetrameric species of potassium trimethylsilanolate in the gas phase with a theoretical cluster model: role of the counterion as charge localizer in the structure.  |  Montejo, M., et al. 2007. J Phys Chem A. 111: 2629-33. PMID: 17388356
  4. Cationic and anionic surface binding sites on nanocrystalline zinc oxide: surface influence on photoluminescence and photocatalysis.  |  Bohle, DS. and Spina, CJ. 2009. J Am Chem Soc. 131: 4397-404. PMID: 19265384
  5. Anhydrous, Homogeneous, Suzuki-Miyaura Cross-Coupling of Boronic Esters using Potassium Trimethylsilanolate.  |  Delaney, CP., et al. 2020. Organic Synth. 97: 245-261. PMID: 33456091
  6. Potassium Trimethylsilanolate Enables Rapid, Homogeneous Suzuki-Miyaura Cross-Coupling of Boronic Esters.  |  Delaney, CP., et al. 2020. ACS Catal. 10: 73-80. PMID: 33585070
  7. Heteroaryl-Heteroaryl, Suzuki-Miyaura, Anhydrous Cross-Coupling Reactions Enabled by Trimethyl Borate.  |  Kassel, VM., et al. 2021. J Am Chem Soc. 143: 13845-13853. PMID: 34415757
  8. Potassium Trimethylsilanolate-Promoted, Anhydrous Suzuki-Miyaura Cross-Coupling Reaction Proceeds via the 'Boronate Mechanism': Evidence for the Alternative Fork in the Trail.  |  Delaney, CP., et al. 2022. J Am Chem Soc. 144: 4345-4364. PMID: 35230833
  9. Efficient synthesis of pentasubstituted pyrroles via intramolecular C-arylation.  |  Lemrová, B., et al. 2022. Org Biomol Chem. 20: 3811-3816. PMID: 35467690
  10. Suzuki C-C Coupling in Paper Spray Ionization: Microsynthesis of Biaryls and High-Sensitivity MS Detection of Aryl Bromides.  |  Lin, Q., et al. 2022. J Am Soc Mass Spectrom. 33: 1921-1935. PMID: 36074999
  11. Synthesis of Benzhydryl-Substituted Amines by Silanolate-Mediated Aldimine Arylation with Functionalized Aryl Nucleophiles Released from Diazene-Based Reagents.  |  Rahman, AJM., et al. 2022. Org Lett. 24: 9118-9122. PMID: 36469587
  12. Synthesis of Polysubstituted Pyridines and Pyrazines via Truce-Smiles Rearrangement of Amino Acid-Based 4-Nitrobenzenesulfonamides.  |  Tkadlecová, M., et al. 2023. J Org Chem. 88: 3228-3237. PMID: 36797215
  13. Automated carboxy-terminal sequence analysis of polypeptides containing C-terminal proline.  |  Bailey, JM., et al. 1995. Anal Biochem. 224: 588-96. PMID: 7733462

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Potassium trimethylsilanolate, 25 g

sc-236458
25 g
$70.00