Import 258278-25-0 — Buy in Bulk from Supplier in China

1,3-Bis-(2,6-diisopropylphenyl)imidazolinium chloride, CAS 258278-25-0, is an imidazolinium salt used as a precursor to N-heterocyclic carbene (NHC) ligands in organometallic catalysis. The compound features a chloride counterion with sterically demanding 2,6-diisopropylphenyl substituents on nitrogen positions, yielding a bulky, electron-rich carbene upon deprotonation. Its molecular formula is C27H40ClN2, with a molar mass of 437.09 g/mol typical for this NHC precursor class. The supplier offers this material for applications requiring precise ligand steric control in transition-metal catalysis.

The chloride salt form provides shelf stability and straightforward deprotonation with strong bases such as potassium tert-butoxide or sodium hydride to generate the free carbene in situ. Purity requirements for catalytic applications typically exceed 98% by HPLC or NMR assay, though the buyer should confirm the exact assay certificate with Liaoning Cured Medical Technology. Standard packaging for moisture-sensitive imidazolinium salts involves inert atmosphere sealing; typical containers include amber glass bottles with argon or nitrogen overlay, often with desiccant. Storage under inert conditions at 2-8°C is standard practice to prevent hydrolysis and oxidation of the carbene precursor.

Principal buyers include pharmaceutical process chemistry departments, fine chemical manufacturers running palladium- or nickel-catalyzed cross-couplings, and academic research laboratories developing new catalytic methodologies. Common applications span Suzuki-Miyaura coupling, Buchwald-Hartwig amination, and polymerisation catalysis where the SIPr or similar bulky NHC ligand derived from this salt enhances catalyst turnover and selectivity. Trade terms and minimum order quantities are not stated in available data; buyers should request a quotation including lead time, Incoterms, and certificate of analysis directly from the supplier.

Liaoning Cured Medical Technology Co., Ltd. is located in Shuangtaizi Industry Park A19, Panjin, Liaoning Province, China, postal code 124000. The supplier holds a harbor trust tier classification on the platform, with a response rate of 0.00% and zero recorded average response hours at the time of listing. Buyers should note that these engagement metrics indicate limited or no historical response data is available, so direct outreach is essential to confirm active operations and current availability of CAS 258278-25-0.

The company's product listing describes 1,3-bis-(2,6-diisopropylphenyl)imidazolinium chloride for advanced material science and chemical research, with emphasis on use as a catalyst or reagent in synthetic processes. No verified ISO or SGS certificates are confirmed in the source data; the supplier mentions compliance with stringent quality certifications, but buyers should request copies of actual certificates and recent batch CoAs. The listing does not state production capacity, reactor scale, R&D headcount, or specific clientele. Prospective importers should verify manufacturing capabilities, quality management system scope, and whether the material is stocked or made to order.