Description

1,3-Bis (2,6-Diisopropylphenyl) Imidazolium Chloride is a high-purity, sterically hindered N-heterocyclic carbene (NHC) precursor salt. This compound is a critical catalyst ligand and organocatalyst, enabling highly efficient and selective transformations in advanced organic synthesis. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require robust and tunable catalytic systems.

Application

• Precursor for N-Heterocyclic Carbene (NHC) Catalysts: In-situ generation of stable carbenes for transition metal catalysis (e.g., Pd, Ni, Ru, Au).
• Organocatalysis: Direct use as an organocatalyst for reactions such as transesterification, hydroelementation, and polymerization.
• Pharmaceutical Intermediate Synthesis: Facilitating key C-C and C-N cross-coupling reactions in the synthesis of active pharmaceutical ingredients (APIs).
• Polymerization Catalyst: Used in the ring-opening polymerization (ROP) of cyclic esters and other monomers to produce biodegradable polymers.
• Material Science Research: Synthesis of novel organometallic complexes and ionic liquids for advanced material applications.
• Agrochemical Synthesis: Enabling the efficient production of complex, biologically active molecules.

Basic Information

Product Name	1,3-Bis (2,6-Diisopropylphenyl) Imidazolium Chloride
CAS No.	250285-32-6
Molecular Formula	C27H37ClN2
Molecular Weight	425.05 g/mol
Synonyms	1,3-Bis(2,6-diisopropylphenyl)imidazolium chloride; IPr·HCl; SIPr·HCl; 1,3-Bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium chloride; N,N'-Bis(2,6-diisopropylphenyl)imidazolium chloride; 1,3-Diisopropylphenylimidazolium chloride; IPrHCl; NHC precursor salt IPr
EINECS	Contact for details

Quality Control

Our 1,3-Bis (2,6-Diisopropylphenyl) Imidazolium Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality management system supports compliance with cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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