Description

Thiophosphoric Acid O,o-Dimethyl S-(4-Nitrophenyl) Ester is a specialized organophosphorus compound with a defined molecular structure. This chemical is significant as a key intermediate in the synthesis of more complex agrochemicals and pharmaceuticals, where its unique thiophosphate ester linkage and nitrophenyl group are utilized. It is primarily needed by research and development chemists, process development engineers, and manufacturers in the agrochemical and fine chemical sectors for creating novel active ingredients and exploring new synthetic pathways.

Application

• Agrochemical Intermediate: A crucial building block in the synthesis of advanced insecticides and acaricides.
• Pharmaceutical Research: Serves as a precursor or model compound in medicinal chemistry for developing new therapeutic agents.
• Chemical Synthesis: Used in organic synthesis laboratories to introduce specific functional groups or as a phosphorylating agent.
• Biochemical Studies: Employed in research as a probe or inhibitor to study enzyme mechanisms, particularly those involving esterases.
• Material Science: Potential intermediate for creating specialized polymers or ligands with specific binding properties.

Basic Information

Product Name	Thiophosphoric Acid O,o-Dimethyl S-(4-Nitrophenyl) Ester
CAS No.	3820-53-9
Molecular Formula	C8H10NO5PS
Molecular Weight	263.21 g/mol
Synonyms	O,O-Dimethyl S-(4-Nitrophenyl) Phosphorothioate; S-(p-Nitrophenyl) O,O-Dimethyl Phosphorothioate; Phosphorothioic Acid, O,O-Dimethyl S-(4-Nitrophenyl) Ester; 4-Nitrophenyl Dimethyl Phosphorothioate; Dimethyl p-Nitrophenyl Phosphorothioate; Parathion-methyl Impurity (Parathion-methyl Related Compound A); ENT 17,292
EINECS	223-296-5

Quality Control

Our production of Thiophosphoric Acid O,o-Dimethyl S-(4-Nitrophenyl) Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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 heat, sparks, and open flame. Due to the potential sensitivity of the ester and nitro functional groups, prolonged exposure to elevated temperatures or humidity should be avoided.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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