Description

Bis(2,4,4-Trimethylpentyl)Dithiophosphinic Acid is a high-purity organophosphorus extractant and metal complexing agent. Its primary value lies in its exceptional selectivity and efficiency for the solvent extraction and separation of various metal ions, particularly in challenging hydrometallurgical processes. This product is essential for industries involved in rare earth element purification, nuclear fuel reprocessing, and the recovery of valuable metals like cobalt and nickel from complex solutions.

Application

• Solvent Extraction of Rare Earth Elements (REEs): Selective separation and purification of lanthanides and actinides from aqueous solutions.
• Nuclear Fuel Cycle Processing: Used in the PUREX and related processes for the separation of uranium, plutonium, and minor actinides.
• Hydrometallurgical Recovery: Extraction of valuable base metals such as cobalt, nickel, and copper from leach solutions in mining operations.
• Metal Ion Separation & Purification: High-purity production of specific metals for electronic, catalytic, and advanced material applications.
• Analytical Chemistry: As a chelating agent for the pre-concentration and detection of trace metal ions.
• Catalyst Synthesis: Precursor for metal complexes used in homogeneous catalysis.

Basic Information

Product Name	Bis(2,4,4-Trimethylpentyl)Dithiophosphinic Acid
CAS No.	107667-02-7
Molecular Formula	C16H35PS2
Molecular Weight	322.54 g/mol
Synonyms	Di(2,4,4-Trimethylpentyl)Dithiophosphinic Acid; Cyanex 301; Bis(2,4,4-Trimethylpentyl)Dithiophosphinic Acid; Dithiophosphinic Acid, Bis(2,4,4-Trimethylpentyl) Ester; 2,4,4-Trimethylpentyl Dithiophosphinic Acid Dimer; Organophosphorus Extractant Cyanex 301; HDTMPDTP; HDTPPA
EINECS	Contact for details

Quality Control

Our Bis(2,4,4-Trimethylpentyl)Dithiophosphinic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay and impurity profile determination, to ensure consistent performance and high purity for demanding extraction applications. Certificates of Analysis (COA) detailing specific batch results are available upon request.

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. Due to its nature as a strong acid/organic solvent, handle with appropriate chemical safety precautions. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~0.95 g/mL

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