Description

Octyl Phenyl Hydrogen Phosphate is an organophosphorus compound widely utilized as an intermediate and functional additive. This product is valued for its role in synthesizing more complex phosphate esters and as a versatile acid catalyst or extractant in specialized processes. It is primarily needed by manufacturers in the chemical, polymer, and metal processing industries for applications requiring controlled acidity and surface activity.

Application

• Chemical Intermediate: A key building block for the synthesis of more complex phosphate esters, plasticizers, and flame retardants.
• Acid Catalyst: Used in organic synthesis reactions, including esterification and polymerization, where a strong, organosoluble acid is required.
• Metal Extraction & Separation: Employed as an extractant in hydrometallurgical processes for the selective recovery and purification of rare earth and other valuable metals.
• Polymer Additive: Functions as a stabilizer or acid scavenger in polymer formulations to enhance processing stability and final product properties.
• Lubricant & Anti-wear Additive: Imparts extreme pressure and anti-wear properties when formulated into industrial lubricants and functional fluids.
• Surface Treatment Agent: Used in formulations for metal surface treatment and corrosion inhibition.

Basic Information

Product Name	Octyl Phenyl Hydrogen Phosphate
CAS No.	10581-14-3
Molecular Formula	C14H23O4P
Molecular Weight	286.30 g/mol
Synonyms	Monooctyl phenyl phosphate; Phenyl octyl hydrogen phosphate; Octylphenyl acid phosphate; Phosphoric acid, monooctyl phenyl ester; OPPA; Octyl phenyl phosphate; Mono-octyl phenyl phosphate; Phenol, 4-(1,1,3,3-tetramethylbutyl)-, hydrogen phosphate
EINECS	234-180-6

Quality Control

Our Octyl Phenyl Hydrogen Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial and specialty chemical applications. A Certificate of Analysis (COA) detailing key parameters such as assay, acidity, and identity is provided with every shipment to guarantee supply reliability and product integrity.

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. Due to its acidic nature, containers should be kept tightly sealed to prevent moisture absorption and maintain product stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Acidity (as H3PO4)	≤ 2.0 %
Water Content (KF)	≤ 0.5 %

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