Description

4-Bromo-3-Methoxybenzaldehyde is a versatile aromatic aldehyde building block, distinguished by its bromine and methoxy substituents which enable selective chemical transformations. This compound is critical for synthesizing complex molecules where precise electronic and steric control is required. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzaldehyde scaffold.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and other crop protection agents.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands in transition metal catalysis and organocatalysis.
• Functional Material Precursor: Employed in the synthesis of organic semiconductors, liquid crystals, and photochromic compounds.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring novel organic reactions and constructing complex heterocycles.
• Fine Chemical Manufacturing: Integral to the production of dyes, flavors, and fragrances requiring specific brominated aromatic structures.

Basic Information

Product Name	4-Bromo-3-Methoxybenzaldehyde
CAS No.	43192-34-3
Molecular Formula	C8H7BrO2
Molecular Weight	215.04 g/mol
Synonyms	3-Methoxy-4-bromobenzaldehyde; 4-Bromo-m-anisaldehyde; 4-Bromo-3-methoxybenzaldehyde; 4-Bromoveratraldehyde (incorrect but common); 4-Bromo-3-methoxy-benzaldehyde; p-Bromo-m-anisaldehyde; 4-Bromo-3-methoxybenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methoxybenzaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, confirming compliance with agreed specifications.

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
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	65 - 68 °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.