Description

3,5-Difluoro-4-propoxybenzaldehyde is a high-purity fluorinated aromatic aldehyde building block, identified by CAS NO 883521-37-7. This compound is valued for its unique electronic and steric properties imparted by the fluorine atoms and propoxy group, making it a critical intermediate in advanced synthesis. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for constructing complex molecules, such as active pharmaceutical ingredients (APIs) and novel crop protection agents.

Application

• Pharmaceutical Intermediate: A key synthon for the development of fluorinated drug candidates, particularly in kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of next-generation herbicides and pesticides where fluorine substitution enhances bioactivity and environmental stability.
• Liquid Crystal Materials: Serves as a precursor in the synthesis of fluorinated liquid crystals for advanced display technologies.
• Organic Electronic Materials: Employed in the development of organic semiconductors and charge-transport materials for OLEDs and photovoltaic cells.
• Chemical Research: A versatile building block for Suzuki-Miyaura and other cross-coupling reactions to create complex, functionalized biaryl structures.
• Fluorinated Polymer Monomers: Can be utilized to synthesize specialty monomers for high-performance polymers with enhanced chemical resistance.

Basic Information

Product Name	3,5-Difluoro-4-propoxybenzaldehyde
CAS No.	883521-37-7
Molecular Formula	C10H10F2O2
Molecular Weight	200.18 g/mol
Synonyms	4-Propoxy-3,5-difluorobenzaldehyde; 3,5-Difluoro-4-propoxybenzaldehyde; Benzaldehyde, 3,5-difluoro-4-propoxy-; 3,5-Difluoro-4-(propyloxy)benzaldehyde; 4-(Propoxy)-3,5-difluorobenzaldehyde; 3,5-Difluoro-4-n-propoxybenzaldehyde; 3,5-Difluoro-4-(n-propoxy)benzaldehyde
EINECS	Contact for details

Quality Control

Our 3,5-Difluoro-4-propoxybenzaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment supports applications requiring cGMP compliance and we can tailor purity grades to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

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.