Description

4-Ethoxy-3-Methoxycinnamic Acid is a high-purity cinnamic acid derivative characterized by its specific ethoxy and methoxy substituents. This compound serves as a versatile and critical pharmaceutical intermediate and organic synthesis building block for advanced chemical manufacturing. It is essential for R&D and production teams in the pharmaceutical, agrochemical, and fine chemical sectors seeking reliable, high-quality raw materials for complex synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting inflammation and metabolic disorders.
• Organic Synthesis Building Block: Used in the preparation of more complex molecules, including chalcones, flavonoids, and other fine chemicals via condensation and coupling reactions.
• Agrochemical Research: Serves as a starting material for developing novel crop protection agents and plant growth regulators.
• UV Absorber & Cosmetic Ingredient Synthesis: Utilized in the research and development of organic UV filters and skin care active ingredients due to its cinnamate structure.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or intermediate for synthesizing specialty polymers and liquid crystal materials.
• Flavor & Fragrance Industry: Employed as an intermediate for creating synthetic aromatic compounds.

Basic Information

Product Name	4-Ethoxy-3-Methoxycinnamic Acid
CAS No.	58168-81-3
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	3-Methoxy-4-ethoxycinnamic acid; 4-Ethoxy-3-methoxycinnamate; (E)-3-(4-Ethoxy-3-methoxyphenyl)acrylic acid; 3-(4-Ethoxy-3-methoxyphenyl)-2-propenoic acid; Cinnamic acid, 4-ethoxy-3-methoxy-; Ferulic acid ethyl ether (4-ethoxy analog)
EINECS	Contact for details

Quality Control

Our 4-Ethoxy-3-Methoxycinnamic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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