Description

Phosphonothioic Acid, Methyl-, o-Methyl o-Phenyl Ester is a specialized organophosphorus compound with a thiophosphonate ester structure. This chemical serves as a critical intermediate and building block in advanced synthesis, offering unique reactivity for creating complex molecular architectures. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for the development of novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of novel insecticides, acaricides, and fungicides, leveraging its thiophosphonate moiety.
• Pharmaceutical Research: Used as a versatile building block for constructing pharmacologically active molecules and prodrugs.
• Ligand Synthesis: Serves as a starting material for creating specialized ligands used in catalysis and metal complexation.
• Flame Retardant Development: Investigated as a potential component or intermediate in the formulation of advanced flame-retardant materials.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies involving phosphorus-sulfur chemistry.

Basic Information

Product Name	Phosphonothioic Acid, Methyl-, o-Methyl o-Phenyl Ester
CAS No.	71432-21-8
Molecular Formula	C9H13O2PS
Molecular Weight	216.24 g/mol
Synonyms	Methylphosphonothioic Acid o-Methyl o-Phenyl Ester; o-Methyl o-Phenyl Methylphosphonothioate; Phenyl Methyl Methylphosphonothioate; Methyl Phenyl Methylphosphonothioate; Thiophosphonic Acid, Methyl-, Phenyl Methyl Ester; CAS 71432-21-8
EINECS	Contact for details

Quality Control

Our production of Phosphonothioic Acid, Methyl-, o-Methyl o-Phenyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and meet precise customer specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Containers should be kept 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
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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