Description

Methylphosphonothiolate is a specialized organophosphorus compound with significant utility in advanced chemical synthesis. Its unique structure makes it a valuable intermediate for the development of complex molecules, particularly in research and fine chemical manufacturing. This product is essential for chemists and process engineers in the pharmaceutical, agrochemical, and material science sectors who require high-purity building blocks for novel compound development.

Application

• Key Intermediate in Pharmaceutical Synthesis: Used in the research and development of novel active pharmaceutical ingredients (APIs), particularly those with phosphorus-containing functional groups.
• Agrochemical Precursor: Serves as a building block in the synthesis of advanced crop protection agents and plant growth regulators.
• Ligand and Catalyst Development: Employed in organometallic chemistry for the creation of specialized ligands and catalysts used in asymmetric synthesis.
• Material Science Research: Utilized in the development of flame retardants, specialty polymers, and other functional materials where phosphorus chemistry is critical.
• Chemical Defense and Sensor Research: Acts as a precursor in the study and synthesis of compounds for specialized detection and analytical applications.
• Academic and Industrial R&D: A crucial reagent for methodological development and exploratory chemistry in both university and corporate research laboratories.

Basic Information

Product Name	Methylphosphonothiolate
CAS No.	5994-73-0
Molecular Formula	C1H5O2PS
Molecular Weight	112.09 g/mol
Synonyms	Methylphosphonothioic acid; Methylphosphonothiolic acid; Phosphonothioic acid, methyl-; Methylphosphonothionate; Methyl hydrogen phosphonothioate; (Hydroxy)(methyl)phosphinothioic acid O-ester; Methylphosphonothioate; Methyl phosphonothiolate
EINECS	Contact for details

Quality Control

Our Methylphosphonothiolate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to current Good Manufacturing Practices (cGMP) where applicable to meet the stringent requirements of our global clientele in research and regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its properties as a strong acid/organic solvent and being easily oxidized, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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