Description

Thiophosphoric Acid Hydrogen o-Ethyl S-(p-Tolyl) Ester is a specialized organophosphorus compound with the CAS registry number 63980-89-2. This chemical serves as a critical intermediate in the synthesis of advanced agrochemicals and pharmaceuticals, where its unique thiophosphate ester structure enables specific reactivity. It is primarily required by research and development laboratories, fine chemical manufacturers, and agrochemical producers seeking to develop new active ingredients or modify existing molecular scaffolds.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel insecticides, acaricides, and fungicides, leveraging its organothiophosphate backbone.
• Pharmaceutical Research: Used as a precursor or synthetic intermediate in medicinal chemistry for developing potential therapeutic agents.
• Chemical Synthesis: Serves as a versatile reagent in organic synthesis for introducing the thiophosphoryl or specific arylthioethyl groups into target molecules.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis or in materials science research.
• Life Science Research: Utilized in biochemical studies as a tool compound to investigate enzyme inhibition or other biological pathways.

Basic Information

Product Name	Thiophosphoric Acid Hydrogen o-Ethyl S-(p-Tolyl) Ester
CAS No.	63980-89-2
Molecular Formula	C9H13O3PS2
Molecular Weight	264.30 g/mol
Synonyms	O-Ethyl S-p-Tolyl Phosphorothioate; Hydrogen O-Ethyl S-(4-Methylphenyl) Phosphorothioate; Phosphorothioic Acid, O-Ethyl S-(4-Methylphenyl) Ester; S-(p-Tolyl) O-Ethyl Hydrogen Phosphorothioate; O-Ethyl S-(4-Methylphenyl) Hydrogen Thiophosphate; Thiophosphoric Acid O-Ethyl S-(4-Methylphenyl) Ester; CAS 63980-89-2
EINECS	Contact for details

Quality Control

Every batch of Thiophosphoric Acid Hydrogen o-Ethyl S-(p-Tolyl) Ester is produced and tested under a strict quality management system to ensure consistency and reliability for your synthetic processes. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to the reactive nature of organophosphorus compounds, isolate from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 92.0%
Water Content (KF)	≤ 0.5%

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