Description

(Acetyloxy)-Octadecanoic Acid 1,2,3-Propanetriyl Ester is a specialized ester derivative of stearic acid and glycerol, widely recognized as a key intermediate and functional additive in advanced chemical synthesis. Its value lies in its ability to modify surface properties and act as a reactive building block for creating tailored polymers and coatings. This compound is essential for industrial chemists and formulators in the plastics, lubricant, and personal care sectors seeking to enhance product performance and stability.

Application

• Polymer & Plastic Additive: Acts as an internal lubricant, processing aid, and compatibilizer in PVC, polyolefins, and engineering plastics to improve flow and reduce friction during extrusion and molding.
• Synthetic Lubricant & Grease Formulation: Serves as a base stock or viscosity modifier in synthetic lubricants and high-performance greases, contributing to thermal stability and low-temperature fluidity.
• Cosmetic & Personal Care Ingredient: Used as an emollient, skin-conditioning agent, and stabilizer in creams, lotions, and makeup formulations to provide a smooth, non-greasy feel.
• Coating & Ink Resin Modifier: Incorporated into alkyd resins, polyurethane dispersions, and printing inks to enhance flexibility, adhesion, and gloss.
• Chemical Intermediate: A versatile precursor for the synthesis of more complex surfactants, emulsifiers, and specialty esters through further chemical reactions.
• Textile & Fiber Treatment: Functions as a softening agent and spin finish for synthetic fibers and textiles to improve handle and processing characteristics.

Basic Information

Product Name	(Acetyloxy)-Octadecanoic Acid 1,2,3-Propanetriyl Ester
CAS No.	27233-00-7
Molecular Formula	C63H118O12
Molecular Weight	1043.6 g/mol
Synonyms	Glyceryl Triacetyl Stearate; 1,2,3-Propanetriyl Tris[(acetyloxy)octadecanoate]; Tris(acetyl stearoyl) Glycerol; Acetylated Glyceryl Stearate; Stearic Acid, Triester with Acetic Acid and Glycerol; Glycerol Triacetyl Stearate; Acetylated Monoglyceride of Stearic Acid; GTSA
EINECS	Contact for details

Quality Control

Our (Acetyloxy)-Octadecanoic Acid 1,2,3-Propanetriyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay, acid value, and saponification value. Our quality commitment supports compliance with relevant industrial and regulatory standards for global supply.

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, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Saponification Value	180 - 210 mg KOH/g
Melting Point	50 - 60 °C
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5%

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