Description

Phosphoric Acid Diethyl Octyl Ester is a specialized organophosphorus compound widely utilized as an intermediate and functional additive. Its molecular structure provides valuable properties as a solvent, extractant, and potential plasticizer or flame retardant synergist. This chemical is essential for manufacturers and R&D teams in the polymer, specialty chemical, and pharmaceutical intermediate sectors seeking tailored performance characteristics.

Application

• Polymer Industry: Acts as a plasticizer intermediate and a potential flame retardant synergist in PVC and other polymer formulations.
• Chemical Synthesis: Serves as a key intermediate in the production of more complex organophosphate esters and other specialty chemicals.
• Solvent & Extraction: Used as a selective solvent or extractant in separation processes for metals or organic compounds.
• Lubricant & Hydraulic Fluid Additive: Functions as an anti-wear or extreme pressure additive in synthetic lubricants and industrial fluids.
• Surface Treatment: Employed in formulations for coatings, adhesives, and surface modifiers to enhance specific properties.

Basic Information

Product Name	Phosphoric Acid Diethyl Octyl Ester
CAS No.	20195-13-5
Molecular Formula	C12H27O4P
Molecular Weight	266.32 g/mol
Synonyms	Diethyl Octyl Phosphate; Octyl Diethyl Phosphate; Diethyl n-Octyl Phosphate; Phosphoric Acid, Diethyl Octyl Ester; O,O-Diethyl O-Octyl Phosphate; Dioctyl Ethyl Phosphate (common name variant); Ethyl Octyl Phosphate; EINECS 243-616-9
EINECS	243-616-9

Quality Control

Our Phosphoric Acid Diethyl Octyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) documenting purity, physical properties, and other critical parameters is provided with every shipment to guarantee traceability and consistency.

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. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as H3PO4)	≤ 0.1%
Specific Gravity (20°C)	0.980 - 1.020
Refractive Index (20°C)	1.430 - 1.440

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