Description

Benzeneacetic Acid, A-Bromo-A-Methyl-, Methyl Ester is a specialized brominated ester derivative of phenylacetic acid, serving as a versatile and reactive synthetic intermediate. Its value lies in its ability to introduce the α-bromo-α-methylphenylacetate moiety, a key building block for constructing more complex molecular architectures. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring chiral α-substituted phenylacetic acid derivatives.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Serves as an alkylating agent or electrophile in various carbon-carbon bond-forming reactions for academic and industrial R&D.
• Ligand and Catalyst Precursor: Employed in the development of specialized ligands for asymmetric catalysis and metal-organic frameworks.
• Fine Chemical Production: Intermediate for manufacturing dyes, fragrances, and other performance chemicals requiring specific brominated aromatic structures.

Basic Information

Product Name	Benzeneacetic Acid, A-Bromo-A-Methyl-, Methyl Ester
CAS No.	84892-13-7
Molecular Formula	C10H11BrO2
Molecular Weight	243.10 g/mol
Synonyms	Methyl 2-Bromo-2-phenylpropanoate; Methyl α-Bromo-α-methylphenylacetate; 2-Bromo-2-methyl-2-phenylacetic acid methyl ester; α-Bromo-α-methylbenzeneacetic acid methyl ester; Phenylacetic acid, α-bromo-α-methyl-, methyl ester; Bromomethylphenyl acetate; Methyl (2-bromo-2-phenyl)propionate
EINECS	Contact for details

Quality Control

Every batch of Benzeneacetic Acid, A-Bromo-A-Methyl-, Methyl Ester is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to verify identity, purity, and consistency. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and meet your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place away from incompatible materials such as strong bases and reducing agents. Recommended storage temperature is between 2°C and 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 liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
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.