Description

1,3-Bis(2,4,6-Trimethylphenyl)Imidazol-2-Ylidene is a highly versatile and sterically hindered N-heterocyclic carbene (NHC) ligand, widely recognized for its exceptional stability and electron-donating properties. This compound is a critical catalyst precursor and ligand in advanced organometallic chemistry, enabling efficient and selective chemical transformations. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it facilitates key cross-coupling and polymerization reactions.

Application

• As a precursor for ruthenium-based metathesis catalysts (e.g., Grubbs-Hoveyda type) for olefin metathesis in polymer and fine chemical synthesis.
• As a ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Negishi) for constructing complex pharmaceutical intermediates.
• As a stabilizing ligand for gold and copper complexes used in catalytic organic transformations and material science.
• In the development of advanced organocatalysts for asymmetric synthesis and green chemistry applications.
• For the synthesis of tailored NHC-metal complexes with applications in homogeneous catalysis and industrial process optimization.
• As a research chemical in academic and industrial R&D for exploring new catalytic systems and reaction methodologies.

Basic Information

Product Name	1,3-Bis(2,4,6-Trimethylphenyl)Imidazol-2-Ylidene
CAS No.	141556-42-5
Molecular Formula	C24H30N2
Molecular Weight	346.51 g/mol
Synonyms	1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene; 1,3-Dimesitylimidazol-2-ylidene; IMes; H2IMes; 1,3-Bis(2,4,6-trimethylphenyl)-1H-imidazol-3-ium-2-ide; N,N'-Dimesitylimidazol-2-ylidene; 1,3-Dimesitylimidazolin-2-ylidene; Carbene, 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene
EINECS	Contact for details

Quality Control

Our 1,3-Bis(2,4,6-Trimethylphenyl)Imidazol-2-Ylidene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized by advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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