Description

4-n-Octadecyloxybenzoic Acid is a high-purity, long-chain alkyloxybenzoic acid derivative, serving as a critical intermediate and functional material in advanced chemical synthesis. Its unique amphiphilic structure, featuring a hydrophobic octadecyl chain and a hydrophilic carboxylic acid group, makes it invaluable for creating tailored surface properties and ordered molecular assemblies. This compound is essential for R&D and production in the specialty chemicals, liquid crystal, and advanced material science sectors.

Application

• Liquid Crystal Materials: A key intermediate in the synthesis of thermotropic liquid crystals, particularly for display technologies and optical devices.
• Specialty Surfactants & Emulsifiers: Used to formulate high-performance surfactants with specific hydrophilic-lipophilic balance (HLB) values for demanding industrial applications.
• Polymer Additives: Acts as a monomer or functional additive to modify polymer surface properties, enhance compatibility, or introduce specific functional groups.
• Organic Synthesis Intermediate: Serves as a versatile building block for synthesizing more complex organic molecules, including pharmaceuticals and agrochemicals.
• Langmuir-Blodgett Films: Utilized in the fabrication of ultrathin organic films for sensors, molecular electronics, and surface coating research.
• Phase Transfer Catalyst: Functions as a catalyst in reactions involving the transfer of ions between immiscible phases.

Basic Information

Product Name	4-n-Octadecyloxybenzoic Acid
CAS No.	15872-50-1
Molecular Formula	C25H42O3
Molecular Weight	390.60 g/mol
Synonyms	4-(Octadecyloxy)benzoic Acid; p-Octadecyloxybenzoic Acid; Benzoic acid, 4-(octadecyloxy)-; Stearyloxybenzoic Acid; 4-Stearyloxybenzoic Acid; 4-n-Octadecyloxybenzoic Acid; 4-(n-Octadecyloxy)benzoic Acid; 4-Octadecyloxybenzoic Acid
EINECS	Contact for details

Quality Control

Our 4-n-Octadecyloxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and loss on drying, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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	95 - 100 °C
Loss on Drying	≤ 0.5%

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