Description

Methylphosphonothioic Acid o-Ethyl S-Propyl Ester is a specialized organophosphorus compound with a thiophosphonate ester structure. This chemical is valued for its role as a key intermediate in the synthesis of advanced agrochemicals and other fine chemicals. It is primarily required by manufacturers in the crop protection and chemical research sectors for developing new active ingredients and formulations.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of organophosphate insecticides and acaricides.
• Chemical Synthesis: Used as a versatile precursor for creating novel thiophosphonate derivatives in research and development.
• Ligand & Catalyst Research: Employed in the development of specialized ligands for metal catalysis and coordination chemistry.
• Flame Retardant Development: Investigated as a potential component or intermediate in the formulation of phosphorus-based flame retardants.

Basic Information

Product Name	Methylphosphonothioic Acid o-Ethyl S-Propyl Ester
CAS No.	13088-83-0
Molecular Formula	C6H15O2PS
Molecular Weight	182.22 g/mol
Synonyms	O-Ethyl S-Propyl Methylphosphonothioate; Ethyl Propyl Methylphosphonothioate; Methylphosphonothioic Acid O-Ethyl S-Propyl Ester; Phosphonothioic Acid, Methyl-, O-Ethyl S-Propyl Ester; NSC 169043; S-Propyl O-Ethyl Methylphosphonothiolate; Ethyl Propyl Methylthiophosphonate
EINECS	Contact for details

Quality Control

Our production of Methylphosphonothioic Acid o-Ethyl S-Propyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. All materials are analyzed using advanced techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from strong bases and sources of ignition. Due to its highly volatile nature, containers must be kept tightly sealed and at a consistent, moderate temperature (15-25°C recommended).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.