Description

Octadecanoic Acid, 1,2-Phenylene Ester is a specialized diester compound derived from stearic acid and catechol, offering unique properties as a high-performance additive and intermediate. This chemical is valued for its ability to modify material characteristics, including lubrication, plasticization, and thermal stability. It serves critical roles in advanced material science, polymer processing, and specialty chemical synthesis for industries such as plastics, coatings, and high-performance lubricants.

Application

• Polymer Additive: Acts as an internal lubricant and processing aid in engineering plastics and thermoplastic formulations to improve flow and reduce friction during molding.
• Synthetic Lubricant Base Stock: Used as a high-temperature stable component in the formulation of synthetic esters for industrial and automotive lubricants.
• Plasticizer for Specialty Polymers: Imparts flexibility and workability to specific polymer systems where compatibility with aromatic structures is required.
• Coating Modifier: Enhances the surface properties, gloss, and durability of industrial and protective coatings.
• Chemical Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals, agrochemicals, and advanced material precursors.
• Release Agent: Functions as a mold release agent in rubber and plastic manufacturing processes.

Basic Information

Product Name	Octadecanoic Acid, 1,2-Phenylene Ester
CAS No.	113203-41-1
Molecular Formula	C42H74O4
Molecular Weight	642.99 g/mol
Synonyms	1,2-Phenylene Dioctadecanoate; Catechol Distearate; Distearoyl Catechol; 1,2-Dihydroxybenzene Distearate; Benzene-1,2-diyl Dioctadecanoate; Stearic Acid, 1,2-Phenylene Ester; Catechol Bis(stearate); Octadecanoic Acid, 1,2-Dihydroxybenzene Ester
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 1,2-Phenylene Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing specifications such as assay, melting point, and impurity profiles are provided with every shipment to guarantee compliance with your technical requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Loss on Drying	≤ 0.5%

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