Description

3-(2-Bromoethyl)-1,2,4,5-Tetramethylbenzene is a high-purity, multi-substituted aromatic building block of significant interest in advanced organic synthesis. Its core value lies in the strategic combination of a reactive bromoethyl side chain and a sterically hindered, electron-rich tetramethylbenzene core, enabling precise molecular construction. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries who require sophisticated intermediates for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates, particularly those requiring sterically defined aromatic systems for receptor binding.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides where the tetramethylbenzene moiety can enhance stability and bioavailability.
• Ligand and Catalyst Development: Acts as a backbone for constructing specialized phosphine or N-heterocyclic carbene (NHC) ligands used in transition metal catalysis.
• Organic Electronic Materials: Functions as a starting material for synthesizing charge-transport materials or organic semiconductors, leveraging its extended, substituted aromatic structure.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and creating novel chemical entities (NCEs).
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty chemicals, dyes, and pigments requiring specific substitution patterns.

Basic Information

Product Name	3-(2-Bromoethyl)-1,2,4,5-Tetramethylbenzene
CAS No.	19991-05-0
Molecular Formula	C12H17Br
Molecular Weight	241.17 g/mol
Synonyms	1-Bromo-2-(2,3,5,6-tetramethylphenyl)ethane; 2-(2,3,5,6-Tetramethylphenyl)ethyl Bromide; 2-Bromoethyl-1,2,4,5-tetramethylbenzene; (2,3,5,6-Tetramethylphenyl)ethyl Bromide; 3-Bromoethyl-1,2,4,5-tetramethylbenzene; 1,2,4,5-Tetramethyl-3-(2-bromoethyl)benzene; Durene-3-ethyl bromide
EINECS	Contact for details

Quality Control

Our 3-(2-Bromoethyl)-1,2,4,5-Tetramethylbenzene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specification parameters are provided and available upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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