Description

E-Caffeic Acid-n-Propyl Ester is a synthetically derived ester of the naturally occurring phenolic acid, caffeic acid. This compound is valued for its enhanced stability and bioavailability compared to its parent acid, making it a versatile intermediate and functional ingredient. It is primarily sought after by manufacturers in the cosmetic, nutraceutical, and pharmaceutical industries for its antioxidant and skin-conditioning properties.

Application

• Cosmetic & Skincare Formulations: Used as a stabilizing antioxidant in creams, serums, and lotions to protect against oxidative stress and support skin health.
• Dietary Supplements & Nutraceuticals: Incorporated as an active ingredient in capsules and tablets for its potential health-promoting antioxidant benefits.
• Pharmaceutical Intermediates: Serves as a key synthetic building block in the research and development of novel therapeutic agents.
• Functional Food & Beverage Additives: Employed to enhance the shelf-life and nutritional profile of health-focused food products.
• Research & Development: Utilized in biochemical and pharmacological studies investigating phenolic compounds and their esters.
• Industrial Antioxidants: Potential application as a natural-sourced antioxidant in specialty polymer or coating systems.

Basic Information

Product Name	E-Caffeic Acid-n-Propyl Ester
CAS No.	67667-67-8
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	3-(3,4-Dihydroxyphenyl)-2-propenoic acid propyl ester; Caffeic Acid Propyl Ester; n-Propyl Caffeate; Propyl 3-(3,4-Dihydroxyphenyl)acrylate; trans-Caffeic Acid Propyl Ester; Caffeic Acid n-Propyl Ester; Propyl Caffeate
EINECS	Contact for details

Quality Control

Our E-Caffeic Acid-n-Propyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, related substances, and residual solvents are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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