Description

Diphosphoric Acid, Bis(2-Ethylhexyl) Ester is a high-purity organophosphorus compound valued for its role as a versatile intermediate and performance additive. This chemical is critical for formulating products that require specific chelating, stabilizing, or surface-active properties. It is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries for advanced material synthesis and process optimization.

Application

• Polymer Additive: Acts as a stabilizer and plasticizer in PVC and other polymer systems to enhance material properties and processing.
• Lubricant & Grease Formulation: Serves as an extreme pressure (EP) additive and anti-wear agent in synthetic lubricants and industrial greases.
• Metal Extraction & Chelation: Used as a selective extractant and chelating agent in hydrometallurgical processes for metal separation and recovery.
• Flame Retardant Synergist: Employed as a component in flame-retardant formulations for plastics and textiles.
• Corrosion Inhibitor: Functions as an effective additive in industrial fluids and coatings to protect metal surfaces.
• Surfactant Intermediate: Utilized in the synthesis of specialized surfactants and emulsifiers for various industrial applications.

Basic Information

Product Name	Diphosphoric Acid, Bis(2-Ethylhexyl) Ester
CAS No.	75212-47-4
Molecular Formula	C16H35O7P2
Molecular Weight	410.37 g/mol
Synonyms	Bis(2-ethylhexyl) Diphosphate; Di(2-ethylhexyl) Pyrophosphate; Pyrophosphoric Acid, Bis(2-Ethylhexyl) Ester; 2-Ethylhexyl Diphosphate; Dioctyl Pyrophosphate; O,O'-Bis(2-ethylhexyl) Diphosphate; DEHP (Diphosphate); Phosphoric Acid, Pyro-, Bis(2-Ethylhexyl) Ester
EINECS	Contact for details

Quality Control

Our Diphosphoric Acid, Bis(2-Ethylhexyl) Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 15-25°C. The product is compatible with standard organic solvent containers.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 5.0 mg KOH/g
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.05 - 1.15
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.