Description

Methyl 9,10-12,3-Diepoxystearate is a specialized fatty acid derivative, specifically the methyl ester of diepoxystearic acid. This compound is valued for its dual epoxide functional groups, which make it a versatile and reactive intermediate for advanced polymer synthesis and chemical modification. It is primarily sought by manufacturers in the polymer, coatings, and specialty chemical industries for developing cross-linked networks, adhesives, and high-performance resins.

Application

• As a reactive diluent and cross-linking agent in epoxy resin formulations for coatings and composites.
• Intermediate in the synthesis of polyols for polyurethane elastomers and foams.
• Chemical modifier for vegetable oil-based polymers to enhance thermal and mechanical properties.
• Building block for specialty surfactants and lubricant additives.
• Component in UV-curable inks and coatings.
• Used in research and development of bio-based polymers and green chemistry applications.

Basic Information

Product Name	Methyl 9,10-12,3-Diepoxystearate
CAS No.	3012-69-9
Molecular Formula	C19H34O4
Molecular Weight	326.47 g/mol
Synonyms	Methyl 9,10-epoxy-12,13-epoxyoctadecanoate; Methyl 9,10:12,13-Diepoxyoctadecanoate; 9,10:12,13-Diepoxyoctadecanoic Acid Methyl Ester; Methyl Diepoxystearate; Epoxidized Methyl Oleate Derivative; Fatty Acid Methyl Ester, Diepoxy; Oxiraneoctanoic Acid, 3-Octyl-, Methyl Ester
EINECS	221-141-5

Quality Control

Our Methyl 9,10-12,3-Diepoxystearate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay, epoxide content, and impurity profiling, to ensure consistent purity and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 product is hygroscopic (moisture-sensitive). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Epoxide Value	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.5%

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