Description

Octadecanoic Acid, 2,3-Dihydroxypropyl Ester, Ester With Boric Acid is a specialized organoboron compound derived from stearic acid and glycerol, functioning as a versatile boron-containing ester. This chemical is valued for its ability to act as a multifunctional additive, imparting properties such as lubrication, corrosion inhibition, and flame retardancy in complex formulations. It is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance material performance and stability.

Application

• As a multifunctional lubricant additive and friction modifier in synthetic oils and greases.
• As a flame retardant synergist and smoke suppressant in halogen-free polymer systems, including polyolefins and engineering plastics.
• As a corrosion inhibitor and anti-wear agent in metalworking fluids and industrial lubricants.
• As a viscosity modifier and stabilizer in high-temperature lubricant formulations.
• As a processing aid and internal lubricant for plastics and rubber compounding.
• As a key intermediate for the synthesis of other boron-based specialty chemicals with tailored properties.
• In research and development for novel functional materials requiring boron incorporation.

Basic Information

Product Name	Octadecanoic Acid, 2,3-Dihydroxypropyl Ester, Ester With Boric Acid
CAS No.	72905-86-3
Molecular Formula	C21H41BO5
Molecular Weight	384.36 g/mol
Synonyms	Stearic Acid Monoglyceride Borate; Glycerol Monostearate Borate; Monostearin Borate; Boron Glycerol Monostearate; 2,3-Dihydroxypropyl Octadecanoate Borate; Boric Acid (H3BO3), Ester with 2,3-Dihydroxypropyl Octadecanoate; Glyceryl Monostearate Borate Ester
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 2,3-Dihydroxypropyl Ester, Ester With Boric Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, chemical identity, and performance characteristics. Certificates of Analysis (COA) documenting key specifications are available upon request to support 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 oxidizing agents and excessive heat. The product may be hygroscopic; ensure containers are sealed after each use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white waxy solid or paste
Identification (IR)	Conforms to structure
Assay (Boron Content)	≥ 2.5 %
Acid Value	≤ 5.0 mg KOH/g
Moisture (KF)	≤ 1.0 %
Melting Point	50 - 65 °C

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