Intermediates

3-Bromo-4-methylbenzonitrile

  • CAS No.42872-74-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 3-Bromo-4-methylbenzonitrile (CAS 42872-74-2) designed for advanced organic synthesis. Reliable supply with ≥98.0% assay for pharmaceutical and agrochemical intermediates.

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Product Technical Details

Product Overview

3-Bromo-4-methylbenzonitrile is a highly specialized aromatic intermediate essential for modern organic synthesis workflows. Characterized by its unique structural configuration featuring both bromine and nitrile functional groups on a methyl-substituted benzene ring, this compound serves as a versatile building block in the construction of complex molecular architectures. Our facility produces this chemical under strict quality control protocols to ensure consistency and reliability for downstream applications in pharmaceuticals, agrochemicals, and advanced material science.

The presence of the bromine atom at the meta position relative to the nitrile group facilitates various cross-coupling reactions, including Suzuki, Heck, and Sonogashira couplings. Meanwhile, the nitrile functionality offers opportunities for further transformation into amines, carboxylic acids, or tetrazoles. This dual reactivity makes 3-Bromo-4-methylbenzonitrile a preferred choice for process chemists developing new synthetic routes for active pharmaceutical ingredients and high-performance polymers.

Key Specifications

We maintain rigorous standards for all batches to guarantee performance in sensitive chemical reactions. The following table outlines the critical physical and chemical parameters verified during our quality assurance process.

ParameterSpecification
CAS Number42872-74-2
Molecular FormulaC8H6BrN
Molecular Weight196.044 g/mol
AppearanceRed low melting solid
Assay (Purity)≥98.0%
Melting Point41-45 °C
Boiling Point259.0±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point110.5±21.8 °C

Industrial Applications

This intermediate is predominantly utilized in the synthesis of fine chemicals and specialized compounds. Its primary applications include:

  • Pharmaceutical Intermediate: Used in the development of novel therapeutic agents requiring substituted benzonitrile scaffolds.
  • Agrochemical Synthesis: Serves as a precursor for herbicides and pesticides requiring specific halogenated aromatic structures.
  • Material Science: Employed in the creation of organic electronic materials and liquid crystal components.
  • Custom Synthesis: Available for bespoke research projects requiring high-purity starting materials.

Quality Assurance and Safety

Every production batch undergoes comprehensive testing using advanced analytical techniques such as HPLC, GC-MS, and NMR spectroscopy. We provide a detailed Certificate of Analysis (COA) with each shipment to verify compliance with stated specifications. Safety is paramount in handling this material. It should be stored in a cool, ventilated area away from incompatible substances. Personnel must utilize appropriate personal protective equipment, including gloves and eye protection, during handling operations.

Packaging and Logistics

To ensure product integrity during transit, 3-Bromo-4-methylbenzonitrile is packaged in secure 25 kg drums. Custom packaging solutions are available upon request to meet specific logistical requirements. Our global supply chain network ensures timely delivery to laboratories and manufacturing facilities worldwide. Contact our sales team for current bulk pricing, lead times, and sample availability.