Description

4-Bromobenzaldehyde is a versatile aromatic aldehyde derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the reactive bromine and aldehyde functional groups, which enable precise chemical transformations for creating complex molecular architectures. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where reliable quality and consistent supply are paramount.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), including potential candidates for therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging its halogenated structure.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in metal-catalyzed cross-coupling reactions.
• Liquid Crystal and OLED Materials: A building block for creating brominated aromatic cores in electronic and display materials.
• Fine Chemical Production: Employed in the manufacture of dyes, flavors, fragrances, and other high-value specialty chemicals.
• Academic and R&D: A standard reagent in university and industrial research laboratories for method development and novel compound exploration.

Basic Information

Product Name	4-Bromobenzaldehyde
CAS No.	1122-91-4
Molecular Formula	C7H5BrO
Molecular Weight	185.02 g/mol
Synonyms	p-Bromobenzaldehyde; 4-Bromobenzenecarboxaldehyde; Bromobenzaldehyde-4; Benzaldehyde, 4-bromo-; p-Bromobenzenecarbonal; NSC 404058; 1-Bromo-4-formylbenzene; (4-Bromophenyl)methanal
EINECS	214-352-5

Quality Control

Our 4-Bromobenzaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	56 - 59 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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