Description

2-Ethylhexyl Epoxystearate is a high-purity epoxidized ester derived from vegetable oil sources, valued for its excellent performance as a secondary plasticizer and stabilizer. This compound is crucial for enhancing the flexibility, thermal stability, and durability of polymer formulations while offering improved compatibility and migration resistance compared to conventional plasticizers. It is primarily needed by manufacturers in the plastics, coatings, and rubber industries seeking sustainable and efficient additive solutions.

Application

• Primary or secondary plasticizer in PVC (polyvinyl chloride) compounds for wires, cables, films, and flooring.
• Stabilizer and co-stabilizer in flexible PVC formulations to improve heat and light stability.
• Additive in specialty polymer blends and elastomers to enhance low-temperature flexibility and processing.
• Modifier in adhesive and sealant formulations to improve adhesion and elasticity.
• Functional additive in coatings and inks to impart flexibility and reduce brittleness.
• Lubricant and processing aid in the manufacture of various plastic products.

Basic Information

Product Name	2-Ethylhexyl Epoxystearate
CAS No.	141-38-8
Molecular Formula	C26H50O3
Molecular Weight	410.68 g/mol
Synonyms	Epoxidized 2-Ethylhexyl Stearate; Octyl Epoxystearate; 2-Ethylhexyl Epoxyoctadecanoate; Epoxy Plasticizer ESO; Epoxidized Octyl Stearate; Isooctyl Epoxystearate; Plasticizer D-81; Epoxy Ester Plasticizer
EINECS	205-483-8

Quality Control

Our 2-Ethylhexyl Epoxystearate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high performance. Each lot undergoes comprehensive analytical testing, including assay, oxirane oxygen content, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications 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 temperatures between 15-25°C (59-77°F). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve product integrity. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Oxirane Oxygen Content	≥ 4.5%
Acid Value	≤ 1.0 mg KOH/g
Iodine Value	≤ 5.0 g I2/100g
Moisture (KF)	≤ 0.1%
Color (Gardner)	≤ 3
Specific Gravity (25°C)	0.910 - 0.930
Refractive Index (20°C)	1.452 - 1.458

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