Description

Di(Propyl) Dithiophosphoric Acid is an organophosphorus compound widely used as a key intermediate and additive in industrial chemistry. Its value lies in its ability to act as a versatile ligand and precursor for the synthesis of specialized lubricant additives, corrosion inhibitors, and metal extractants. This product is essential for manufacturers and R&D facilities in the lubricants, agrochemicals, and metallurgical processing sectors seeking to enhance product performance and stability.

Application

• Lubricant Additive Precursor: A critical intermediate in the synthesis of zinc dialkyldithiophosphates (ZDDP) and other ashless anti-wear and antioxidant additives for engine oils and industrial lubricants.
• Corrosion Inhibitor: Used in the formulation of protective coatings and fuel additives to prevent metal degradation in pipelines and machinery.
• Metal Extraction & Flotation Agent: Employed as a selective extractant and collector in the hydrometallurgical recovery of valuable metals like copper and gold from ores.
• Agrochemical Intermediate: Serves as a building block in the production of certain organophosphate pesticides and insecticides.
• Polymer Stabilizer: Acts as a stabilizer and antioxidant in rubber and plastic formulations to prevent thermal and oxidative degradation.
• Chemical Synthesis: Utilized as a versatile ligand and reagent in organic synthesis and coordination chemistry for creating novel compounds.

Basic Information

Product Name	Di(Propyl) Dithiophosphoric Acid
CAS No.	2253-43-2
Molecular Formula	C6H15O2PS2
Molecular Weight	214.29 g/mol
Synonyms	Di-n-Propyldithiophosphoric Acid; O,O-Dipropyl Dithiophosphoric Acid; Dithiophosphoric Acid O,O-Dipropyl Ester; Dipropyl Dithiophosphate; DPDTPA; Phosphorodithioic Acid, O,O-Dipropyl Ester; n-Propyl Dithiophosphate
EINECS	218-829-5

Quality Control

Our Di(Propyl) Dithiophosphoric Acid is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 oxidizers. Due to its acidic nature, containers should be kept tightly sealed to prevent moisture absorption and decomposition. Recommended storage temperature is between 15°C and 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%
Free Phosphoric Acid	≤ 1.0%
Specific Gravity (20°C)	1.10 - 1.20

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