Description

2,3-Difluoro-4-Methoxybenzaldehyde is a versatile fluorinated aromatic aldehyde building block of significant importance in advanced organic synthesis. Its molecular structure, featuring strategically placed fluorine atoms and a methoxy group, makes it a critical intermediate for constructing complex molecules with tailored electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting the central nervous system, oncology, and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides, where the fluorine atoms enhance biological activity and environmental stability.
• Liquid Crystal & OLED Materials: Serves as a building block for fluorinated liquid crystal compounds and organic light-emitting diode (OLED) materials, improving charge transport and device efficiency.
• Functional Dye & Pigment Chemistry: Employed in the synthesis of advanced dyes and pigments, where its structure contributes to color fastness and specific light-absorption properties.
• Cross-Coupling Reactions: Acts as a substrate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to create complex biaryl structures.
• Organic Electronic Materials: Utilized in the research and development of organic semiconductors and other electronic materials.

Basic Information

Product Name	2,3-Difluoro-4-Methoxybenzaldehyde
CAS No.	256417-11-5
Molecular Formula	C8H6F2O2
Molecular Weight	172.13 g/mol
Synonyms	4-Methoxy-2,3-difluorobenzaldehyde; 2,3-Difluoro-4-methoxybenzaldehyde; 2,3-Difluoro-p-anisaldehyde; 2,3-Difluoro-4-methoxy-benzaldehyde; Benzaldehyde, 2,3-difluoro-4-methoxy-; 256417-11-5
EINECS	Contact for details

Quality Control

Our 2,3-Difluoro-4-Methoxybenzaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 light-sensitive and easily oxidized; for long-term storage, consider keeping it under an inert atmosphere such as nitrogen or argon to maintain optimal purity and stability.

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.