Description

1,3-Bis(4-Bromo-2,6-Diisopropylphenyl)-1H-Imidazol-3-Ium Chloride is a high-value, sterically hindered N-heterocyclic carbene (NHC) precursor salt. This compound is critical for its role as a ligand precursor in the development of advanced organometallic catalysts, particularly for cross-coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require highly selective and active catalysts for complex synthesis.

Application

• Precursor for N-Heterocyclic Carbene (NHC) Ligands: Serves as the key starting material for generating sterically demanding, electron-rich NHC ligands used in organometallic catalysis.
• Catalyst Synthesis for Cross-Coupling Reactions: Enables the preparation of palladium, nickel, and other transition metal catalysts for Buchwald-Hartwig amination, Suzuki-Miyaura, and Negishi couplings.
• Pharmaceutical Intermediate Manufacturing: Used in the research and development of active pharmaceutical ingredients (APIs) where robust and selective catalysts are required.
• Agrochemical Synthesis: Facilitates the creation of novel, complex molecules for crop protection agents and herbicides.
• Material Science & Polymer Chemistry: Applied in the synthesis of specialty monomers and the development of novel polymeric materials with specific properties.
• Academic & Industrial R&D: A fundamental reagent for exploring new catalytic methodologies and reaction mechanisms in synthetic chemistry.

Basic Information

Item	Details
Product Name	1,3-Bis(4-Bromo-2,6-Diisopropylphenyl)-1H-Imidazol-3-Ium Chloride
CAS No.	909898-73-3
Molecular Formula	C29H38Br2ClN2
Molecular Weight	625.88 g/mol
Synonyms	1,3-Bis(4-bromo-2,6-diisopropylphenyl)imidazolium chloride; SIPr·HCl; 1,3-Bis(2,6-diisopropyl-4-bromophenyl)imidazolium chloride; NHC precursor salt; Sterically hindered imidazolium salt; (SIPr)HCl; 1H-Imidazolium, 1,3-bis(4-bromo-2,6-diisopropylphenyl)-, chloride
EINECS	Contact for details

Quality Control

Our 1,3-Bis(4-Bromo-2,6-Diisopropylphenyl)-1H-Imidazol-3-Ium Chloride is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for catalytic applications. All products undergo rigorous analytical testing, including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D documentation.

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 should be handled under a dry inert atmosphere (e.g., nitrogen or argon) when opening 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)	≤ 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.