Description

Dithiophosphoric Acid S-(4-Chlorophenyl)O,o-Dimethyl Ester is a specialized organophosphorus compound with a thiophosphoryl core. This chemical matters as a key intermediate and functional additive, valued for its unique reactivity profile derived from the combination of phosphorus, sulfur, and an aromatic chlorophenyl group. It is primarily needed by manufacturers in the agrochemical and pharmaceutical sectors for synthesis, as well as by industrial researchers developing novel ligands, flame retardants, or lubricant additives.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of advanced insecticides and acaricides.
• Pharmaceutical Synthesis: Serves as a versatile intermediate for creating pharmacologically active molecules.
• Chemical Research & Development: Used in organometallic chemistry as a ligand precursor and in material science research.
• Polymer Additive: Functions as a stabilizer or modifying agent in specialty polymer formulations.
• Lubricant Industry: Acts as an extreme pressure (EP) additive and anti-wear agent in advanced lubricants.
• Flame Retardant Synergist: Employed in the development of flame-retardant materials for plastics and textiles.

Basic Information

Product Name	Dithiophosphoric Acid S-(4-Chlorophenyl)O,o-Dimethyl Ester
CAS No.	5114-31-8
Molecular Formula	C8H10ClO2PS2
Molecular Weight	268.72 g/mol
Synonyms	O,O-Dimethyl S-(4-Chlorophenyl) Phosphorodithioate; S-(p-Chlorophenyl) O,O-Dimethyl Phosphorodithioate; Phosphorodithioic Acid, O,O-Dimethyl S-(4-Chlorophenyl) Ester; 4-Chlorophenyl Dimethyl Phosphorodithioate; Caswell No. 392A; ENT 25640; NSC 190986; Dimethyl (p-Chlorophenylthio)phosphorodithioate
EINECS	225-828-7

Quality Control

Our production of Dithiophosphoric Acid S-(4-Chlorophenyl)O,o-Dimethyl Ester adheres to stringent quality protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure consistency and reliability. Certificates of Analysis (COA) documenting key specifications are available upon request 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 area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as oxidizing agents. The container should be kept tightly sealed to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 4.0%

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