Description

4-Ethoxy-3,5-Difluorocinnamic Acid is a high-purity fluorinated cinnamic acid derivative, serving as a critical advanced intermediate in modern organic synthesis. Its value lies in the unique electronic properties imparted by the ethoxy and difluoro substituents, which make it an essential building block for creating complex molecules with tailored functionality. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for fluorinated drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the fluorinated aromatic core enhances biological activity and stability.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated mesogens and electron-transport materials in display and lighting technologies.
• Polymer & Specialty Chemistry: Incorporated as a monomer or modifier to create polymers with specific optical, electronic, or surface properties.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reactions, catalysis, and the synthesis of complex organic frameworks.

Basic Information

Product Name	4-Ethoxy-3,5-Difluorocinnamic Acid
CAS No.	1017779-43-9
Molecular Formula	C₁₁H₁₀F₂O₃
Molecular Weight	228.19 g/mol
Synonyms	(E)-3-(4-Ethoxy-3,5-difluorophenyl)acrylic acid; 3,5-Difluoro-4-ethoxycinnamic acid; 4-Ethoxy-3,5-difluorocinnamic acid; 2-Propenoic acid, 3-(4-ethoxy-3,5-difluorophenyl)-, (2E)-; (E)-3-(4-Ethoxy-3,5-difluorophenyl)-2-propenoic acid
EINECS	Contact for details

Quality Control

Our 4-Ethoxy-3,5-Difluorocinnamic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

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 strong acids and incompatible organic solvents. The container should be kept tightly sealed to protect from moisture.

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%

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