Description

2-[(Dimethoxyphosphinothioyl)Thio]Butanedioic Acid Dimethyl Ester is a key organophosphorus compound widely utilized as a versatile chemical intermediate. Its primary commercial value lies in its role as a precursor in the synthesis of specialized agrochemicals and pharmaceuticals, where its unique thiophosphoryl and ester functionalities are leveraged. This product is essential for manufacturers and R&D facilities in the crop protection, fine chemical, and advanced material sectors seeking to develop novel active ingredients or functional additives.

Application

• Agrochemical Intermediate: A critical building block for the synthesis of organophosphate insecticides, acaricides, and fungicides.
• Pharmaceutical Synthesis: Serves as a key precursor in the development of prodrugs and active pharmaceutical ingredients (APIs) with specific bioactivity.
• Chemical Research & Development: Used in academic and industrial labs for exploring new reactions and creating novel thiophosphoryl-containing compounds.
• Polymer Additive Precursor: Employed in the manufacture of specialty additives that can impart flame retardancy or other functional properties to polymers.
• Ligand Synthesis: Acts as a starting material for creating complexing agents and ligands used in catalysis and metal extraction processes.

Basic Information

Product Name	2-[(Dimethoxyphosphinothioyl)Thio]Butanedioic Acid Dimethyl Ester
CAS No.	3700-89-8
Molecular Formula	C8H15O6PS2
Molecular Weight	302.30 g/mol
Synonyms	Dimethyl 2-[(dimethoxyphosphinothioyl)thio]butanedioate; Dimethyl 2-[(dimethoxyphosphinothioyl)thio]succinate; O,O-Dimethyl S-(1,2-Dicarbomethoxyethyl) Phosphorodithioate; S-(1,2-Dicarbomethoxyethyl) O,O-Dimethyl Phosphorodithioate; Phosphorodithioic acid, S-[1,2-bis(methoxycarbonyl)ethyl] O,O-dimethyl ester; Malathion Impurity; Malathion Intermediate; Succinic acid, 2-[(dimethoxyphosphinothioyl)thio]-, dimethyl ester
EINECS	223-031-7

Quality Control

Our production of 2-[(Dimethoxyphosphinothioyl)Thio]Butanedioic Acid Dimethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The product undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and assay. Certificates of Analysis (COA) documenting all critical quality attributes are 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 area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless 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%
Specific Gravity (20°C)	1.25 - 1.35

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