Description

5-Chloronaphthalene-2-Carboxaldehyde is a versatile and high-purity aromatic aldehyde building block, essential for advanced organic synthesis. Its value lies in its reactive aldehyde group and chlorinated naphthalene backbone, enabling precise molecular construction for complex target compounds. This intermediate is critically needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty materials industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based scaffolds.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, leveraging its halogenated structure for bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Functional Material Research: Employed in the synthesis of organic semiconductors, liquid crystals, and fluorescent dyes due to its conjugated aromatic system.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, including cross-coupling and condensation reactions.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance and flavor compounds.

Basic Information

Product Name	5-Chloronaphthalene-2-Carboxaldehyde
CAS No.	122349-67-1
Molecular Formula	C₁₁H₇ClO
Molecular Weight	190.63 g/mol
Synonyms	2-Chloro-5-naphthalenecarboxaldehyde; 5-Chloro-2-naphthaldehyde; 5-Chloronaphthalene-2-carbaldehyde; 2-Formyl-5-chloronaphthalene; 5-Chloro-2-naphthalenecarboxaldehyde; 5-Chloronaphth-2-ylcarboxaldehyde; 5-Chloro-2-naphthoic aldehyde
EINECS	Contact for details

Quality Control

Our 5-Chloronaphthalene-2-Carboxaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most demanding synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound 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	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.