Description

Potassium Pentamethylcyclopentadienide is a highly reactive organometallic compound, specifically a potassium salt of a pentamethyl-substituted cyclopentadienyl anion. This compound matters as a versatile and powerful reagent in advanced organic synthesis, particularly for the introduction of the sterically demanding and electron-rich pentamethylcyclopentadienyl ligand. It is essential for researchers and manufacturers in the fields of organometallic chemistry, catalysis, and materials science, where it is used to create novel complexes and precursors.

Application

• Catalyst Precursor Synthesis: A key starting material for preparing metallocene and half-sandwich complexes used in olefin polymerization and other catalytic processes.
• Organometallic Research: Fundamental reagent for synthesizing novel organometallic compounds with tailored electronic and steric properties for academic and industrial R&D.
• Materials Science: Used in the development of advanced materials, including molecular magnets and precursors for chemical vapor deposition (CVD).
• Ligand Transfer Agent: Efficiently transfers the pentamethylcyclopentadienyl (Cp*) ligand to various metal centers, including lanthanides and actinides.
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules and potential pharmaceutical intermediates requiring specific ligand frameworks.

Basic Information

Product Name	Potassium Pentamethylcyclopentadienide
CAS No.	94348-92-2
Molecular Formula	C10H15K
Molecular Weight	174.33 g/mol
Synonyms	Potassium Pentamethylcyclopentadienyl; Potassium Cp*; Pentamethylcyclopentadienylpotassium; Potassium (1,2,3,4,5-Pentamethyl-2,4-cyclopentadien-1-yl); Cp*K; 1,2,3,4,5-Pentamethylcyclopentadienyl Potassium Salt; Potassium 1,2,3,4,5-Pentamethylcyclopentadienide
EINECS	Contact for details

Quality Control

Our Potassium Pentamethylcyclopentadienide is produced and handled under stringent conditions to ensure batch-to-batch consistency and high reactivity. Quality is verified through a suite of analytical techniques. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C or as specified on the label. Due to its hygroscopic and air-sensitive nature, the container must be kept sealed and handled in a controlled, moisture-free environment.

Specification

Item	Specification
Appearance	Off-white to beige powder or crystals
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Solubility (Test)	Soluble in THF, DME; reacts with protic solvents

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.