Description

Thiophosphonic Acid Dibutyl Ester is an organophosphorus compound with the CAS number 17529-47-4. This chemical serves as a versatile intermediate and additive, valued for its unique sulfur and phosphorus functionalities. It is primarily utilized by manufacturers in the agrochemical, polymer, and specialty chemical industries for applications ranging from synthesis to material modification.

Application

• Agrochemical Intermediate: A key building block in the synthesis of organophosphorus pesticides, insecticides, and fungicides.
• Polymer Additive: Acts as a stabilizer, plasticizer, or flame retardant precursor in various polymer and plastic formulations.
• Lubricant & Fuel Additive: Used as an extreme pressure (EP) additive or anti-wear agent in industrial lubricants and specialty fuels.
• Metal Extraction & Chelation: Employed as a selective extractant or chelating agent in hydrometallurgical processes for metal recovery.
• Chemical Synthesis: Serves as a phosphorylating or thiophosphorylating agent in organic synthesis for pharmaceuticals and fine chemicals.
• Corrosion Inhibitor: Functions as a component in formulations designed to protect metal surfaces in industrial systems.

Basic Information

Product Name	Thiophosphonic Acid Dibutyl Ester
CAS No.	17529-47-4
Molecular Formula	C8H19O2PS
Molecular Weight	210.27 g/mol
Synonyms	Dibutyl Thiophosphonate; Dibutyl Phosphonothioate; O,O-Dibutyl Phosphonothioic Acid; Thiophosphonic Acid O,O-Dibutyl Ester; Butyl Phosphonothioate; DBTP; Phosphonothioic Acid, O,O-Dibutyl Ester
EINECS	Contact for details

Quality Control

Our Thiophosphonic Acid Dibutyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and compliance with customer specifications. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 organic solvents. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Density (20°C)	~1.02 g/cm³
Refractive Index (20°C)	~1.460
Water Content (KF)	≤ 0.5%

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