Description

3-Bromo-4-Methoxybenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique bromo and methoxy substituents make it a valuable intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This high-purity compound is essential for research and development chemists and process engineers engaged in creating active pharmaceutical ingredients (APIs), liquid crystal materials, and functional fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a substituted benzoic acid core.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents where its halogenated aromatic structure is beneficial.
• Liquid Crystal Materials: Serves as a building block for mesogenic compounds used in display technologies due to its rigid, substituted benzene ring.
• Organic Light-Emitting Diodes (OLEDs): Employed in the development of electron-transport materials and host materials for advanced OLED applications.
• Polymer Modification: Acts as a monomer or functionalizing agent for creating specialty polymers with specific thermal or optical properties.
• Chemical Research: A valuable reagent in academic and industrial R&D for Suzuki-Miyaura and other cross-coupling reactions, as well as for exploring new synthetic methodologies.

Basic Information

Product Name	3-Bromo-4-Methoxybenzoic Acid
CAS No.	99-58-1
Molecular Formula	C8H7BrO3
Molecular Weight	231.04 g/mol
Synonyms	4-Methoxy-3-bromobenzoic Acid; 3-Bromo-4-methoxybenzoic acid; 3-Bromo-p-anisic acid; Benzoic acid, 3-bromo-4-methoxy-; 3-Bromo-4-methoxy-benzoic acid; 3-Br-4-MeO-BA
EINECS	202-769-6

Quality Control

Our 3-Bromo-4-Methoxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality for your critical processes.

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 strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤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.