Description

Phosphoric Acid, 2-Ethylhexyl Ester, Zinc Salt is a specialized organometallic compound widely utilized as a high-performance stabilizer and lubricant additive. Its primary value lies in its ability to impart exceptional thermal stability and anti-wear properties to various polymer and fluid systems. This product is essential for manufacturers in the plastics, lubricants, and coatings industries seeking to enhance product durability and performance under demanding conditions.

Application

• Primary stabilizer for PVC and other halogenated polymers to prevent thermal degradation during processing.
• Key lubricant additive in greases and industrial oils, providing anti-wear and extreme pressure (EP) properties.
• Used as a corrosion inhibitor in protective coatings and metal treatment formulations.
• Functions as a synergist in combination with other stabilizers (e.g., calcium/zinc systems) for enhanced performance.
• Employed in the production of flame-retardant materials and cable compounds.
• Acts as a catalyst or reaction intermediate in specific organic synthesis processes.

Basic Information

Product Name	Phosphoric Acid, 2-Ethylhexyl Ester, Zinc Salt
CAS No.	52108-54-0
Molecular Formula	C16H35O4PZn (typical for the bis(2-ethylhexyl) phosphate zinc salt)
Molecular Weight	~ 412.8 g/mol
Synonyms	Zinc bis(2-ethylhexyl) phosphate; Zinc di(2-ethylhexyl) phosphate; Bis(2-ethylhexyl) hydrogen phosphate zinc salt; 2-Ethylhexyl phosphate zinc salt; Zinc 2-ethylhexyl phosphate; Dioctyl phosphate zinc salt (where octyl refers to 2-ethylhexyl); Zinc O,O'-bis(2-ethylhexyl) phosphorodithioate (related compound, often confused); Zinc organophosphate stabilizer; Zn-EHP.
EINECS	257-573-7

Quality Control

Our Phosphoric Acid, 2-Ethylhexyl Ester, Zinc Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency and compliance with agreed specifications, including assay (zinc and phosphorus content), acidity, and physical properties. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents. Recommended storage temperature is 15-25°C. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to pale yellow viscous liquid or paste
Identification (IR)	Conforms to structure
Assay (as Zn)	14.0 - 16.0 %
Assay (as P)	7.0 - 8.5 %
Acid Value	≤ 10 mg KOH/g
Moisture (KF)	≤ 0.5 %
Specific Gravity (25°C)	1.05 - 1.15

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