Description

Dioctyl Dihydrogen Diphosphate is an organophosphorus compound widely utilized as a versatile intermediate and functional additive. Its value lies in its ability to act as a chelating agent, stabilizer, and processing aid in various high-performance formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product stability and performance.

Application

• As a chelating agent and stabilizer in polymer production, particularly for PVC and other halogenated polymers.
• As a functional additive in synthetic lubricants and industrial grease formulations to improve thermal stability.
• As an intermediate in the synthesis of more complex organophosphate esters for flame retardants and plasticizers.
• In metal treatment and surface finishing processes as a component of corrosion-inhibiting formulations.
• As a processing aid and antioxidant in specialty elastomers and rubber compounds.
• In the formulation of adhesives and sealants to modify rheological properties and enhance adhesion.

Basic Information

Product Name	Dioctyl Dihydrogen Diphosphate
CAS No.	26658-09-3
Molecular Formula	C₁₆H₃₈O₇P₂
Molecular Weight	428.40 g/mol
Synonyms	Di-n-octyl Dihydrogen Diphosphate; Dioctyl Pyrophosphate; Dioctyl Diphosphoric Acid; Octyl Diphosphate; Dioctyl Ester of Diphosphoric Acid; DOPP; Pyrophosphoric Acid, Dioctyl Ester; 1,2-Dioctyl Dihydrogen Diphosphate
EINECS	Contact for details

Quality Control

Our Dioctyl Dihydrogen Diphosphate is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. All materials undergo rigorous analytical testing, including assay and impurity profile determination. Certificates of Analysis (COA) documenting purity, identity, and key physical parameters 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, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (as H₃PO₄)	≤ 1.0%
Specific Gravity (20°C)	1.05 - 1.15

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