Description

Phenyl-Phosphonothioic Acid Dipropyl Ester is a specialized organophosphorus compound used as a key intermediate and reagent in advanced chemical synthesis. This compound is valued for its unique thiophosphonate ester structure, which imparts specific reactivity useful in constructing complex molecules. It is primarily sought by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for developing novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of novel insecticides, herbicides, and fungicides, leveraging its phosphorus-sulfur bond.
• Pharmaceutical Research: Used as a specialized reagent in medicinal chemistry for the development of potential drug candidates and bioactive molecules.
• Ligand and Catalyst Precursor: Serves as a precursor for generating ligands used in metal-catalyzed cross-coupling and other organic transformations.
• Flame Retardant Synthon: Employed in research for developing new organophosphorus flame retardants and plasticizers.
• Chemical Synthesis: Acts as an electrophilic agent or coupling partner in various organic synthesis pathways to introduce the phosphonothioate moiety.

Basic Information

Product Name	Phenyl-Phosphonothioic Acid Dipropyl Ester
CAS No.	66552-70-3
Molecular Formula	C12H19O2PS
Molecular Weight	258.32 g/mol
Synonyms	Dipropyl Phenylphosphonothioate; Phenylphosphonothioic Acid Dipropyl Ester; Dipropyl Phenylphosphonothioate; Phosphonothioic acid, Phenyl-, Dipropyl Ester; O,O-Dipropyl Phenylphosphonothioate
EINECS	Contact for details

Quality Control

Our production of Phenyl-Phosphonothioic Acid Dipropyl Ester adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere such as nitrogen to prevent degradation from absorbed moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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