Description

Octadecanedioic Acid Monobenzyl Ester is a high-purity, long-chain dicarboxylic acid derivative with a protected functional group. This compound is a crucial synthetic intermediate, valued for its role in constructing complex molecules and modifying polymer backbones. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, specialty polymer, and advanced material sectors for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for lipid-based drug formulations and prodrugs.
• Polymer Chemistry: Monomer for the production of specialty polyesters, polyamides, and other condensation polymers, imparting specific chain length and properties.
• Organic Synthesis: Versatile reagent for introducing the C18 dicarboxylate moiety in complex organic molecules, leveraging the benzyl ester as a protective group.
• Lubricant & Grease Additive Synthesis: Intermediate in manufacturing high-performance ester-based lubricants and functional additives.
• Cosmetic Ingredient Synthesis: Used in the production of emollients, thickeners, and other specialty esters for personal care formulations.
• Material Science Research: Precursor for creating self-assembled monolayers (SAMs), dendritic structures, and other advanced nanomaterials.

Basic Information

Product Name	Octadecanedioic Acid Monobenzyl Ester
CAS No.	189625-51-2
Molecular Formula	C25H40O4
Molecular Weight	404.59 g/mol
Synonyms	1-Benzyl Octadecanedioate; Monobenzyl Octadecanedioate; Benzyl Hydrogen Octadecanedioate; 18-Benzyloxy-18-oxooctadecanoic Acid; Octadecanedioic Acid Benzyl Ester; Octadecanedioic Acid, Monobenzyl Ester; Benzyl 18-Carboxyoctadecanoate
EINECS	Contact for details

Quality Control

Our Octadecanedioic Acid Monobenzyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The product is stable under recommended conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.