Description

Diphosphoric Acid Diisooctyl Ester is a specialized organophosphorus compound widely used as a high-performance intermediate and additive. Its value lies in its ability to act as an effective chelating agent, stabilizer, and acid source in demanding industrial formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and stability.

Application

• As a stabilizer and acid scavenger in polymer production, particularly for PVC and polyolefins.
• As a key chelating agent in metalworking fluids and lubricant additive packages.
• As an intermediate in the synthesis of more complex organophosphate esters for flame retardants and plasticizers.
• As a corrosion inhibitor component in industrial lubricants and functional fluids.
• In the formulation of specialty surfactants and emulsifiers for niche applications.
• As a processing aid and viscosity modifier in various chemical manufacturing processes.

Basic Information

Product Name	Diphosphoric Acid Diisooctyl Ester
CAS No.	72101-07-6
Molecular Formula	C₁₆H₃₈O₇P₂
Molecular Weight	428.40 g/mol
Synonyms	Diisooctyl Diphosphate; Diisooctyl Pyrophosphate; Pyrophosphoric Acid Diisooctyl Ester; Dioctyl Diphosphate; Diphosphoric Acid Bis(6-methylheptyl) Ester; Diphosphoric Acid Diisooctyl Ester CAS NO 72101-07-6; O,O'-Diisooctyl Diphosphate; Isooctyl Diphosphate Ester
EINECS	Contact for details

Quality Control

Our Diphosphoric Acid Diisooctyl Ester is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for our global B2B clients.

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 bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Acidity (as H₃PO₄)	≤ 2.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.050 - 1.100
Refractive Index (20°C)	1.440 - 1.460

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