Description

3-Bromo-5-Ethyltoluene is a high-purity halogenated aromatic compound, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in providing a functionalized toluene derivative that enables precise molecular construction for complex chemical targets. This intermediate is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty materials industries seeking to develop new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the development of new generation herbicides, fungicides, and pesticides, leveraging the ethyl and bromo substituents for bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Building block for advanced organic electronic materials, liquid crystals, and polymers requiring specific bromo-aryl functionalities.
• Chemical Research & Development: Employed in academic and industrial R&D for method development, such as cross-coupling reactions (Suzuki, Heck, Stille).
• Fine Chemical Production: Intermediate in the multi-step synthesis of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	3-Bromo-5-Ethyltoluene
CAS No.	1208075-19-7
Molecular Formula	C9H11Br
Molecular Weight	199.09 g/mol
Synonyms	1-Bromo-3-ethyl-5-methylbenzene; 3-Ethyl-5-methylbromobenzene; 5-Ethyl-3-bromotoluene; m-Bromo-m-ethyltoluene; 3-Bromo-5-methyl-1-ethylbenzene; 3-Ethyl-5-bromotoluene; (3-Bromo-5-methylphenyl)ethane
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Ethyltoluene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for each lot, supporting your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.5%
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.