3-Mesityl-1-methyl-1H-benzimidazolium iodide

CAS 937807-73-3C17H19IN2Catalysis & Inorganic

3-Mesityl-1-methyl-1H-benzimidazolium iodide (CAS 937807-73-3) is a chemical compound with the molecular formula C17H19IN2 and a molecular weight of 378.25 g/mol. This N-heterocyclic carbene (NHC) precursor is primarily utilised as a reagent in organic synthesis, specifically for facilitating β-protonations of homoenolate equivalents. It is supplied by Tech Serve Solutions with a minimum assay of 95%.

IUPAC: 1-Methyl-3-(2,4,6-trimethylphenyl)-1H-benzimidazolium iodide

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3-Mesityl-1-methyl-1H-benzimidazolium iodide (C17H19IN2) — chemical structure, CAS 937807-73-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Carbon-Donor LigandsChemical SynthesisNHC Compounds

01 /Applications

Reagent for Beta-Protonations

This benzimidazolium salt serves as an effective reagent for mediating β-protonations of homoenolate equivalents in chemical synthesis. Its structure facilitates the generation of specific enolate species for subsequent reactions.

NHC Precursor in Catalysis

As a precursor to N-heterocyclic carbenes (NHCs), this compound finds applications in catalysis. NHCs are versatile ligands known for their role in various organometallic transformations and catalytic cycles.

Chemical Synthesis Intermediate

The compound is valuable in general chemical synthesis, contributing to the construction of complex organic molecules. Its reactivity allows for targeted functional group transformations.

02 /Properties

Molecular weight	378.25
Empirical formula	C17H19IN2
Assay	95%
Application	Reagent for β-protonations of homoenolate equivalents1
Melting point	267-273 °C

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xi
Risk statements (R)	41
Safety statements (S)	26-39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

937807-73-3

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3-Mesityl-1-methyl-1H-benzimidazolium iodide used for?

This compound is primarily used as a reagent for β-protonations of homoenolate equivalents and as a precursor for N-heterocyclic carbenes (NHCs) in catalysis and chemical synthesis.

What are the CAS number and molecular formula?

The CAS number is 937807-73-3, and the molecular formula is C17H19IN2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this compound with a minimum assay of 95%. It is supplied for research and development purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.

What are the safety and handling precautions for this chemical?

This compound carries a Danger signal word and is associated with H318 (Causes serious eye damage). It requires the use of a dust mask (type N95 or equivalent), eyeshields, and gloves. In case of contact with eyes, rinse cautiously with water for several minutes and seek immediate medical attention.

How is this chemical packed, shipped, or exported?

Tech Serve Solutions adheres to all relevant international shipping and export regulations for chemicals, ensuring safe and compliant delivery. Specific packaging details can be provided upon request.