Description

5-Fluoronaphthalene-2-Carboxaldehyde is a high-purity fluorinated aromatic aldehyde building block, identified by CAS NO 70631-81-1. This compound is valued for its unique reactivity, serving as a versatile intermediate in the synthesis of complex molecules. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a fluorinated naphthalene scaffold.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides, where the fluorine atom can enhance biological activity and stability.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Organic Electronic Materials: Serves as a building block for the development of fluorinated organic semiconductors and light-emitting materials.
• Fluorescent Dye and Probe Synthesis: Utilized in the creation of advanced fluorescent markers and molecular probes for biochemical and diagnostic applications.
• Academic and Industrial R&D: A critical reagent for method development and exploratory chemistry in both academic and corporate research laboratories.

Basic Information

Product Name	5-Fluoronaphthalene-2-Carboxaldehyde
CAS No.	70631-81-1
Molecular Formula	C₁₁H₇FO
Molecular Weight	174.17 g/mol
Synonyms	2-Fluoro-5-formylnaphthalene; 5-Fluoro-2-naphthaldehyde; 5-Fluoronaphthalene-2-carbaldehyde; 2-Naphthalenecarboxaldehyde, 5-fluoro-; 5-Fluoro-2-naphthalenecarboxaldehyde; 5-Fluoronaphthalen-2-yl-methanal
EINECS	Contact for details

Quality Control

Our 5-Fluoronaphthalene-2-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specifications and test results to support your quality assurance protocols.

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). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.