Description

1-Bromo-2-Naphthaldehyde is a versatile and high-value aromatic aldehyde building block, essential for advanced organic synthesis. Its core value proposition lies in providing a reactive bromine and aldehyde functional group on a naphthalene scaffold, enabling precise molecular construction. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating complex molecules, ligands, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules with naphthalene-based structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides where the bromonaphthalene moiety imparts specific biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Dye and Pigment Manufacturing: Employed in the synthesis of advanced colorants and fluorescent dyes due to the naphthalene core's chromophoric properties.
• Academic and Industrial Research: A valuable reagent for methodological development in cross-coupling reactions and other transformative organic reactions.

Basic Information

Product Name	1-Bromo-2-Naphthaldehyde
CAS No.	3378-82-3
Molecular Formula	C11H7BrO
Molecular Weight	235.08 g/mol
Synonyms	2-Bromo-1-naphthaldehyde; 2-Bromonaphthalene-1-carboxaldehyde; 1-Naphthaldehyde, 2-bromo-; 2-Bromo-1-naphthalenecarboxaldehyde; 1-Naphthalenecarboxaldehyde, 2-bromo-; 2-Bromonaphthaldehyde; α-Bromo-β-naphthaldehyde (less common)
EINECS	222-181-8

Quality Control

Our 1-Bromo-2-Naphthaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our commitment to quality supports your R&D and production needs with reliable, traceable materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 amber glass or opaque packaging during storage and handling.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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