Description

4-n-Octadecyloxycinnamic Acid is a long-chain alkyloxy derivative of cinnamic acid, valued for its unique amphiphilic structure and liquid crystalline properties. This compound is a critical intermediate in the synthesis of advanced organic materials and functional additives. It is primarily sought by manufacturers in the specialty chemicals, advanced materials, and pharmaceutical research sectors for its role in creating self-assembling monolayers, non-linear optical materials, and as a building block for novel surfactants.

Application

• Liquid Crystal Displays (LCDs): A key intermediate in the synthesis of ferroelectric and photochromic liquid crystals for advanced display technologies.
• Organic Photovoltaics (OPVs): Used as a precursor for developing organic semiconductor materials and electron-accepting layers in solar cells.
• Surface Modification & Self-Assembled Monolayers (SAMs): The long alkyl chain facilitates the formation of stable, ordered monolayers on metal and metal oxide surfaces for corrosion inhibition or sensor development.
• Non-Linear Optical (NLO) Materials: Serves as a chromophore building block for materials used in optical data storage, switching, and telecommunications.
• Specialty Polymer Additives: Acts as a monomer or additive to impart specific rheological or surface-active properties to polymers.
• Pharmaceutical Intermediate: Employed in research for the synthesis of novel drug candidates with targeted biological activity.
• Cosmetic & Personal Care Ingredients: Potential use as a structuring agent or UV-absorbing component in high-end formulations.

Basic Information

Product Name	4-n-Octadecyloxycinnamic Acid
CAS No.	71931-27-6
Molecular Formula	C₂₇H₄₄O₃
Molecular Weight	416.64 g/mol
Synonyms	4-(Octadecyloxy)cinnamic Acid; (E)-3-[4-(Octadecyloxy)phenyl]acrylic Acid; 4-Stearyloxycinnamic Acid; p-Octadecyloxycinnamic Acid; trans-4-Octadecyloxycinnamic Acid; 4-n-Octadecyloxycinnamate; Octadecyl p-coumarate; 71931-27-6
EINECS	Contact for details

Quality Control

Our 4-n-Octadecyloxycinnamic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and thermal analysis to verify its properties. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	95 - 100 °C
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.