Description

Stearic Acid Glycidyl Ester is a versatile epoxy-functional fatty acid ester, a key reactive intermediate in polymer and resin synthesis. Its primary value lies in its ability to act as a hydrophobic modifier and internal plasticizer, enhancing the flexibility and water resistance of final polymeric materials. This compound is essential for manufacturers in the coatings, adhesives, and specialty plastics industries seeking to improve product performance.

Application

• As a reactive diluent and flexibilizer in epoxy resin formulations for coatings and composites.
• Internal plasticizer and hydrophobicity enhancer in PVC and other thermoplastic polymers.
• Key intermediate in the synthesis of specialty surfactants and lubricant additives.
• Modifier for alkyd resins to improve film flexibility and weathering resistance in paints.
• Crosslinking agent or co-monomer in the production of thermosetting plastics.
• Surface treatment agent for fillers and pigments to improve dispersion in polymer matrices.
• Intermediate for manufacturing corrosion inhibitors and textile auxiliaries.

Basic Information

Product Name	Stearic Acid Glycidyl Ester
CAS No.	7460-84-6
Molecular Formula	C21H40O3
Molecular Weight	340.55 g/mol
Synonyms	Glycidyl stearate; Octadecanoic acid, 2-oxiranylmethyl ester; Stearic acid glycidyl ester; 2,3-Epoxypropyl stearate; Epoxypropyl stearate; (Oxiran-2-yl)methyl octadecanoate; Stearoyl glycidol; Glycidyl octadecanoate
EINECS	231-222-8

Quality Control

Our Stearic Acid Glycidyl Ester is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A detailed Certificate of Analysis (COA), confirming key parameters such as assay, epoxy value, and acid value, is 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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 97.0%
Epoxy Value	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 100
Moisture (KF)	≤ 0.5%

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