Description

o-(2,4-Dichlorophenyl)-o-Ethylchlorothiophosphate is a specialized organophosphorus compound with the CAS number 18351-18-3, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its unique thiophosphate ester structure, which is essential for constructing complex molecules with specific biological or material properties. This high-purity intermediate is primarily needed by research institutions and manufacturers in the agrochemical and pharmaceutical sectors for developing novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel insecticides, acaricides, and fungicides, leveraging its organophosphorus backbone.
• Pharmaceutical Research: Used as a versatile synthon for creating potential drug candidates and bioactive molecules in medicinal chemistry programs.
• Chemical Synthesis: Serves as a pivotal reagent for introducing the thiophosphate moiety into more complex organic frameworks in fine chemical production.
• Material Science: Investigated for use in the development of specialized ligands, flame retardants, or polymer modifiers.

Basic Information

Product Name	o-(2,4-Dichlorophenyl)-o-Ethylchlorothiophosphate
CAS No.	18351-18-3
Molecular Formula	C8H8Cl3O2PS
Molecular Weight	313.54 g/mol
Synonyms	O-Ethyl O-(2,4-Dichlorophenyl) Chlorothiophosphate; Ethyl 2,4-Dichlorophenyl Chlorothiophosphate; Chlorothiophosphoric Acid O-(2,4-Dichlorophenyl) O-Ethyl Ester; NSC 190986; ENT 27822; Phosphorochloridothioic Acid, O-(2,4-Dichlorophenyl) O-Ethyl Ester
EINECS	Contact for details

Quality Control

Our production of o-(2,4-Dichlorophenyl)-o-Ethylchlorothiophosphate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. All materials are characterized using advanced analytical techniques including GC, HPLC, and NMR 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 needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to strong alkali and organic solvents, and its highly volatile nature, it must be kept away from incompatible materials and heat sources. Keep the container tightly sealed when not in use to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Related Substances (GC)	≤ 2.0% total
Water Content (KF)	≤ 0.5%

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