Description

Thiophosphoric Acid O,o-Bis(4-Nitrophenyl)o-Ethyl Ester is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its molecular structure, featuring thiophosphoryl and nitrophenyl groups, makes it a valuable precursor for creating complex molecules with specific functional properties. This compound is primarily sought by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for developing novel active ingredients and fine chemicals.

Application

• Key intermediate in the synthesis of organophosphate-based agrochemicals, such as insecticides and acaricides.
• Precursor for pharmaceutical research, particularly in developing enzyme inhibitors and targeted therapeutic agents.
• Building block for specialty chemicals used in material science and polymer modification.
• Research chemical for studying phosphorylation reactions and thiophosphate chemistry in academic and industrial laboratories.
• Starting material for the production of ligands and catalysts used in asymmetric synthesis.
• Component in the development of chemical probes and analytical reagents for biochemical assays.

Basic Information

Product Name	Thiophosphoric Acid O,o-Bis(4-Nitrophenyl)o-Ethyl Ester
CAS No.	7508-73-8
Molecular Formula	C14H13N2O6PS
Molecular Weight	368.30 g/mol
Synonyms	O,O-Bis(4-nitrophenyl) O-ethyl thiophosphate; Ethyl O,O-bis(p-nitrophenyl) phosphorothioate; Phosphorothioic acid, O,O-bis(4-nitrophenyl) O-ethyl ester; EPN Oxon; Paraoxon analog; 4-Nitrophenyl ethyl thiophosphate; ENT 17292; NSC 89366
EINECS	Contact for details

Quality Control

Our production of Thiophosphoric Acid O,o-Bis(4-Nitrophenyl)o-Ethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and synthesis applications. All materials are characterized using advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation 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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed due to sensitivity to moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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