Description

4-Bromonaphthalene-2-Carbaldehyde is a versatile brominated aromatic aldehyde building block of significant importance in advanced organic synthesis. Its molecular structure, featuring both a reactive aldehyde group and a bromine substituent on the naphthalene ring, makes it a critical intermediate for constructing complex molecules. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in cross-coupling reactions and as a precursor to various heterocycles and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with naphthalene-based scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Material Science Research: Acts as a monomer or building block for the creation of organic semiconductors, liquid crystals, and advanced polymers.
• Cross-Coupling Reactions: An essential substrate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to form biaryl structures.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal complexes used in catalysis.
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic dyes and pigments due to the naphthalene core.

Basic Information

Product Name	4-Bromonaphthalene-2-Carbaldehyde
CAS No.	874357-11-6
Molecular Formula	C11H7BrO
Molecular Weight	235.08 g/mol
Synonyms	2-Bromo-4-formylnaphthalene; 4-Bromo-2-naphthaldehyde; 4-Bromonaphthalene-2-carboxaldehyde; 2-Formyl-4-bromonaphthalene; 4-Bromo-2-naphthalenecarboxaldehyde; 2-Naphthalenecarboxaldehyde, 4-bromo-; 4-Bromonaphthalene-2-aldehyde
EINECS	Contact for details

Quality Control

Every batch of 4-Bromonaphthalene-2-Carbaldehyde is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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