Description

Phenyl-Phosphonothioic Acid Dimethyl Ester is a specialized organophosphorus compound with a thiophosphonate ester structure. This chemical serves as a valuable intermediate and reagent in advanced organic synthesis, particularly in the development of novel phosphorus-containing molecules. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for creating new active ingredients and functional materials.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel insecticides, herbicides, and fungicides, leveraging its thiophosphonate moiety.
• Pharmaceutical Research: Used as a precursor for developing potential bioactive molecules and prodrugs with modified pharmacokinetic properties.
• Ligand and Catalyst Synthesis: Employed in the preparation of specialized ligands for metal catalysis and organocatalysts.
• Flame Retardant Development: Acts as a reactive intermediate in the production of phosphorus-based flame retardant additives for polymers.
• Chemical Research: Serves as a model compound in methodological studies of phosphorylation and thiophosphorylation reactions.
• Material Science: Utilized in the synthesis of functional monomers for specialty polymers and surface-modifying agents.

Basic Information

Product Name	Phenyl-Phosphonothioic Acid Dimethyl Ester
CAS No.	6840-11-5
Molecular Formula	C8H11O2PS
Molecular Weight	202.21 g/mol
Synonyms	Dimethyl Phenylphosphonothioate; Phenylphosphonothioic Acid O,O-Dimethyl Ester; Dimethyl Phenylphosphonothioic Acid Ester; O,O-Dimethyl Phenylphosphonothioate; Phenylphosphonothioic Acid Dimethyl Ester; NSC 163082; Phosphonothioic acid, P-phenyl-, O,O-dimethyl ester
EINECS	229-915-4

Quality Control

Our production of Phenyl-Phosphonothioic Acid Dimethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including NMR, GC, and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment 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 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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 3.0%
Density (20°C)	~1.18 g/cm³

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