Description

2-Bromo-4-Ethyl-1-Methylbenzene is a versatile brominated aromatic compound serving as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of the bromine substituent, which enables efficient cross-coupling reactions and functional group transformations. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science sectors developing novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) via Suzuki, Heck, or other metal-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and insecticides, where the bromine atom acts as a handle for introducing other functional groups.
• Liquid Crystal & OLED Material Production: Serves as a foundational unit for constructing advanced organic electronic materials and liquid crystal displays (LCDs).
• Organic Ligand & Catalyst Development: Employed in the creation of specialized ligands for catalysis and coordination chemistry.
• Polymer Modification: Acts as a monomer or modifier to introduce aromatic and bromine functionality into polymer chains, altering physical properties.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in exploring new synthetic pathways and novel compounds.

Basic Information

Product Name	2-Bromo-4-Ethyl-1-Methylbenzene
CAS No.	17070-97-2
Molecular Formula	C9H11Br
Molecular Weight	199.09 g/mol
Synonyms	1-Bromo-2-ethyl-5-methylbenzene; 2-Ethyl-5-methylbromobenzene; 4-Ethyl-2-bromotoluene; 2-Bromo-4-ethyltoluene; 5-Methyl-2-ethylbromobenzene; o-Bromo-p-ethyltoluene; (2-Bromo-4-ethylphenyl)methane
EINECS	Contact for details

Quality Control

Our 2-Bromo-4-Ethyl-1-Methylbenzene is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.35 g/cm³
Boiling Point	~230-235 °C

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