Description

Benzene, 1-Bromo-2,3,4-Trimethyl- is a halogenated aromatic compound, specifically a brominated trimethylbenzene derivative, with the CAS number 40101-33-5. It serves as a versatile and valuable intermediate in advanced organic synthesis, particularly for introducing the bromine functional group into complex molecular architectures. This compound is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity building blocks for drug discovery, material science, and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides.
• Material Science Research: Serves as a precursor for liquid crystals, organic semiconductors, and advanced polymers.
• Organic Synthesis Reagent: Employed in cross-coupling reactions (e.g., Suzuki, Heck) and as an electrophile in nucleophilic aromatic substitution.
• Chemical Research & Development: A crucial reagent for exploring new synthetic pathways and creating novel chemical entities in academic and industrial labs.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and colorants.

Basic Information

Product Name	Benzene, 1-Bromo-2,3,4-Trimethyl-
CAS No.	40101-33-5
Molecular Formula	C9H11Br
Molecular Weight	199.09 g/mol
Synonyms	1-Bromo-2,3,4-trimethylbenzene; 2,3,4-Trimethylbromobenzene; 2,3,4-Trimethylphenyl bromide; Pseudocumyl bromide; Bromopseudocumene; (2,3,4-Trimethylphenyl)bromide; 1-Bromo-2,3,4-trimethyl-benzene
EINECS	Contact for details

Quality Control

Our Benzene, 1-Bromo-2,3,4-Trimethyl- is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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, bases, 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 volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 3.0%
Refractive Index	Contact for details
Density	Contact for details

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