Description

Methylphosphonotrithioic Acid Dipropyl Ester is a specialized organophosphorus compound with a unique thiophosphoryl structure. This chemical serves as a critical intermediate and functional additive in advanced material synthesis and agrochemical research. It is primarily sought by industrial chemists and R&D professionals in the agrochemical, polymer, and specialty chemical sectors for its role in modifying material properties and synthesizing novel active ingredients.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of organophosphorus insecticides, herbicides, and fungicides.
• Ligand and Catalyst Synthesis: Used in the preparation of thiophosphoryl-based ligands for metal catalysis and coordination chemistry.
• Polymer Additive: Acts as a flame retardant synergist or a stabilizer in specific polymer formulations.
• Chemical Research: Valuable building block in organic and medicinal chemistry for introducing the phosphonotrithioate moiety.
• Lubricant and Fuel Additive: Potential use as an extreme pressure additive or anti-wear agent in specialty lubricants.
• Metal Extraction Agent: Investigated for use in solvent extraction processes for selective metal ion recovery.

Basic Information

Product Name	Methylphosphonotrithioic Acid Dipropyl Ester
CAS No.	996-05-4
Molecular Formula	C7H17OPS3
Molecular Weight	244.38 g/mol
Synonyms	Dipropyl Methylphosphonotrithioate; Dipropyl Methylphosphonotrithioite; Methylphosphonotrithioic Acid, Dipropyl Ester; O,O-Dipropyl Methylphosphonotrithioate; Phosphonotrithioic Acid, Methyl-, Dipropyl Ester; NSC 163082
EINECS	213-630-8

Quality Control

Our production of Methylphosphonotrithioic Acid Dipropyl Ester adheres to stringent internal quality protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance 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 oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (20°C)	1.520 - 1.540

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