Description

Calcium Epoxyoctadecanoate is a calcium salt derivative of epoxidized stearic acid, functioning as a versatile metal soap and stabilizer. This compound is valued for its ability to act as a heat stabilizer and lubricant in polymer formulations, enhancing material performance and processing stability. It is primarily needed by manufacturers in the plastics, rubber, and coatings industries seeking to improve the thermal and mechanical properties of their products.

Application

• Primary heat stabilizer and co-stabilizer in polyvinyl chloride (PVC) and other halogenated polymer systems.
• Functional additive in lubricants and greases to provide thickening and stability under thermal stress.
• Processing aid and internal lubricant in plastic and rubber compounding to improve flow and reduce equipment wear.
• Component in paint and coating formulations to enhance dispersion and stability of pigments.
• Additive for paper coatings to impart water resistance and improve surface properties.
• Stabilizing agent in certain adhesive and sealant chemistries.

Basic Information

Product Name	Calcium Epoxyoctadecanoate
CAS No.	26264-51-7
Molecular Formula	C₃₆H₆₆CaO₆
Molecular Weight	611.0 g/mol (approx.)
Synonyms	Calcium 9,10-epoxyoctadecanoate; Calcium Epoxystearate; Calcium 9,10-Epoxystearate; Octadecanoic acid, 9,10-epoxy-, calcium salt; Calcium mono(9,10-epoxystearate); Stabilizer Ca-EPS; Metallic soap of epoxidized stearic acid
EINECS	247-548-8

Quality Control

Our Calcium Epoxyoctadecanoate is manufactured under a stringent quality management system. Each batch undergoes rigorous testing to ensure consistent purity, chemical identity, and performance characteristics. Certificates of Analysis (COA) documenting key parameters such as assay, epoxy value, and moisture content are available upon request to support your quality assurance protocols.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (Calcium Content)	6.0 - 7.5 %
Epoxy Value	3.0 - 4.5 %
Moisture (Karl Fischer)	≤ 2.0 %
Acid Value	≤ 5.0 mg KOH/g
Melting Point	90 - 110 °C
Ash Content	8.0 - 12.0 %

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