Description

Ethylphosphonothioic Acid o-Ethyl o-(3-Methyl-4-Nitrophenyl) Ester is a specialized organophosphorus compound with a thiophosphonate ester structure, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its unique molecular architecture, which provides a versatile scaffold for constructing more complex molecules with specific biological or material properties. This compound is primarily needed by research institutions and industrial R&D departments focused on developing novel agrochemicals, pharmaceuticals, and performance chemicals.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel insecticides and acaricides, leveraging its organophosphorus backbone.
• Pharmaceutical Research: Used as a building block in medicinal chemistry for developing enzyme inhibitors or other bioactive molecules.
• Chemical Synthesis: Serves as a versatile intermediate for creating other functionalized phosphonates and thiophosphonates.
• Material Science: Potential use in the development of ligands for metal-organic frameworks (MOFs) or as additives in specialty polymers.
• Analytical Reference Standard: Employed as a high-purity standard in environmental and residue analysis for related compounds.

Basic Information

Product Name	Ethylphosphonothioic Acid o-Ethyl o-(3-Methyl-4-Nitrophenyl) Ester
CAS No.	18313-91-2
Molecular Formula	C11H16NO4PS
Molecular Weight	289.29 g/mol
Synonyms	O-Ethyl O-(3-Methyl-4-nitrophenyl) ethylphosphonothioate; Ethylphosphonothioic Acid O-Ethyl O-(3-Methyl-4-nitrophenyl) Ester; Phosphonothioic acid, ethyl-, O-ethyl O-(3-methyl-4-nitrophenyl) ester; ENT 27972; NSC 190986; Bay 37289; 3-Methyl-4-nitrophenyl ethyl ethylphosphonothioate
EINECS	Contact for details

Quality Control

Our production of Ethylphosphonothioic Acid o-Ethyl o-(3-Methyl-4-Nitrophenyl) Ester adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and quantify impurities. Certificates of Analysis (COA) detailing all relevant specifications are provided with every 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 at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to amber liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Water Content (KF)	≤ 0.5%

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