Description

Diethylthiophosphinic Acid o-(2,4,5-Trichlorophenyl) Ester (CAS 5745-14-2) is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its unique structure, featuring both thiophosphinic and trichlorophenyl groups, makes it a valuable building block for creating complex molecules with specific properties. This high-purity intermediate is essential for manufacturers in the agrochemical and pharmaceutical sectors, where it is used to develop active ingredients and fine chemicals requiring precise structural control.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of advanced insecticides, herbicides, and fungicides, particularly those targeting specific pests or weeds.
• Pharmaceutical Synthesis: Used as a specialized building block in the research and development of novel active pharmaceutical ingredients (APIs) and fine chemicals.
• Chemical Research & Development: Serves as a versatile reagent in academic and industrial R&D labs for exploring new organophosphorus chemistry and creating custom molecular libraries.
• Ligand and Catalyst Preparation: Employed in the synthesis of complex ligands for metal catalysis and other specialty chemical applications.
• Polymer Additive Precursor: Can be utilized to develop specialized flame retardants, stabilizers, or other functional additives for polymer systems.

Basic Information

Product Name	Diethylthiophosphinic Acid o-(2,4,5-Trichlorophenyl) Ester
CAS No.	5745-14-2
Molecular Formula	C10H12Cl3OPS
Molecular Weight	317.59 g/mol
Synonyms	O-(2,4,5-Trichlorophenyl) O,O-Diethyl Phosphorothioate; Diethyl O-(2,4,5-Trichlorophenyl) Phosphorothioate; 2,4,5-Trichlorophenyl Diethyl Phosphorothioate; Phosphorothioic Acid, O-(2,4,5-Trichlorophenyl) O,O-Diethyl Ester; NSC 190986; ENT 25640; O,O-Diethyl O-2,4,5-Trichlorophenyl Phosphorothioate
EINECS	227-271-5

Quality Control

Our Diethylthiophosphinic Acid o-(2,4,5-Trichlorophenyl) Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting standards for use in sensitive synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for our B2B partners.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Gravity (20°C)	1.35 - 1.45

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