Description

Didodecylphosphinic Acid is a high-purity organophosphorus compound widely utilized as a versatile intermediate and performance additive. Its unique molecular structure, featuring two long alkyl chains, provides excellent solubility in organic media and imparts valuable properties to final formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance material performance and stability.

Application

• Polymer Additive: Acts as a highly effective stabilizer and antioxidant in polyolefins (e.g., PP, PE) and engineering plastics to prevent thermal degradation during processing.
• Lubricant & Grease Formulation: Serves as an extreme pressure (EP) additive and anti-wear agent, improving the performance and longevity of industrial lubricants and metalworking fluids.
• Extractant & Chelating Agent: Used in hydrometallurgy for the selective solvent extraction and recovery of valuable metal ions from aqueous solutions.
• Flame Retardant Synergist: Employed as a component in halogen-free flame retardant systems for polymers and textiles, enhancing char formation and fire resistance.
• Corrosion Inhibitor: Provides protective properties in coatings and fuel additives to prevent metal surface corrosion.
• Chemical Intermediate: A key precursor for synthesizing more complex organophosphorus compounds, including phosphinate salts and specialized ligands.

Basic Information

Product Name	Didodecylphosphinic Acid
CAS No.	6196-71-0
Molecular Formula	C₂₄H₅₁O₂P
Molecular Weight	414.64 g/mol
Synonyms	Dilaurylphosphinic Acid; Di-n-dodecylphosphinic Acid; Dodecylphosphinic Acid, Didodecyl Ester; Phosphinic Acid, Didodecyl-; Laurylphosphinic Acid, Dilauryl Ester; Bis(1-dodecyl)phosphinic Acid; Di(C12) Phosphinic Acid
EINECS	228-268-9

Quality Control

Our Didodecylphosphinic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the high standards required for industrial and specialty applications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 nature as a strong acid/organic solvent, handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	White to off-white waxy solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Acid Value	Contact for details
Melting Point	~ 40 - 50 °C
Heavy Metals (as Pb)	< 10 ppm

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