Description

Phosphonothioic Acid, Methyl-, o-Ethyl S-Pentyl Ester, (+-)- is an organophosphorus compound with a thiophosphonate ester structure, serving as a versatile intermediate in advanced chemical synthesis. This compound is valued for its role in the development of specialized agrochemicals and performance materials, where its unique molecular framework is critical. It is primarily needed by research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors for creating novel active ingredients and functional additives.

Application

• Key intermediate in the synthesis of novel organophosphorus pesticides and insecticides.
• Precursor for the development of specialized flame retardants and plastic additives.
• Building block in pharmaceutical research for creating potential bioactive molecules.
• Used in the preparation of lubricant additives and extreme pressure agents.
• Intermediate for corrosion inhibitors and metal treatment formulations.
• Research chemical for studying thiophosphonate chemistry and reaction mechanisms.

Basic Information

Product Name	Phosphonothioic Acid, Methyl-, o-Ethyl S-Pentyl Ester, (+-)-
CAS No.	65143-02-4
Molecular Formula	C8H19O2PS
Molecular Weight	210.27 g/mol
Synonyms	o-Ethyl S-Pentyl Methylphosphonothioate; Methylphosphonothioic Acid o-Ethyl S-Pentyl Ester; S-Pentyl O-Ethyl Methylphosphonothioate; Ethyl Pentyl Methylphosphonothioate; (+-)-Methyl-o-ethyl-S-pentyl phosphonothioate; Phosphonothioic acid, methyl-, O-ethyl S-pentyl ester; ENT 27967
EINECS	Contact for details

Quality Control

Our production of Phosphonothioic Acid, Methyl-, o-Ethyl S-Pentyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 to prevent moisture absorption and potential decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.460 - 1.470

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