Description

Benzonitrile, 4-Bromo-2-Ethyl- (9Ci) CAS NO 744200-38-2 is a halogenated benzonitrile derivative serving as a versatile and high-value organic intermediate in advanced chemical synthesis. Its molecular structure, featuring both bromine and nitrile functional groups, makes it a critical building block for constructing complex molecules with tailored properties. This compound is primarily utilized by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a brominated aromatic core.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and insecticides, where the ethyl-bromo substitution pattern can influence biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the synthesis of liquid crystals, organic semiconductors, and advanced polymers due to its rigid, substituted aromatic structure.
• Custom Chemical Synthesis: A valuable scaffold for contract research organizations (CROs) and fine chemical manufacturers producing bespoke compounds for client projects.

Basic Information

Product Name	Benzonitrile, 4-Bromo-2-Ethyl- (9Ci)
CAS No.	744200-38-2
Molecular Formula	C9H8BrN
Molecular Weight	210.07 g/mol
Synonyms	4-Bromo-2-ethylbenzonitrile; 2-Ethyl-4-bromobenzonitrile; 4-Bromo-2-ethyl-benzonitrile; Benzonitrile, 4-bromo-2-ethyl-; (4-Bromo-2-ethylphenyl)carbonitrile
EINECS	Contact for details

Quality Control

Every batch of 4-Bromo-2-ethylbenzonitrile is produced and tested under a strict quality management system to ensure consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, supported by analytical techniques including HPLC, GC, and NMR. Our quality commitment ensures the material meets the stringent requirements for use in regulated research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details

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