Description

Bromopentamethylbenzene CAS NO 5153-40-2 is a high-purity, multi-substituted aromatic compound featuring a bromine atom on a fully methylated benzene ring. This unique structure makes it a valuable and versatile advanced intermediate for synthesizing complex organic molecules, particularly in materials science and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the fine chemical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides due to its sterically hindered aromatic core.
• Ligand and Catalyst Precursor: Acts as a starting material for creating specialized phosphine or N-heterocyclic carbene (NHC) ligands used in transition metal catalysis.
• Organic Electronic Materials: Employed in the research and development of organic semiconductors, hole-transport materials, and other functional materials for OLEDs and photovoltaics.
• Chemical Research & Development: A crucial reagent for exploring new organic reactions and constructing complex, sterically demanding molecular architectures in academic and industrial labs.
• Polymer Modification: Can be used to introduce bulky aromatic side chains into polymers to alter thermal stability, solubility, and optical properties.

Basic Information

Product Name	Bromopentamethylbenzene
CAS No.	5153-40-2
Molecular Formula	C11H15Br
Molecular Weight	227.14 g/mol
Synonyms	1-Bromo-2,3,4,5,6-pentamethylbenzene; Pentamethylbromobenzene; Bromopentamethylbenzol; 2,3,4,5,6-Pentamethylbromobenzene; 1-Bromo-pentamethylbenzene; Bromo-pentamethyl-benzene
EINECS	225-904-8

Quality Control

Our Bromopentamethylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent lot-to-lot performance. We provide comprehensive Certificates of Analysis (COA) with all shipments, detailing purity, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	108 - 112 °C

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