Description

Bis(2-Chloroethyl) Methylphosphonate is a key organophosphorus compound with significant utility as a chemical intermediate. Its primary value lies in its role as a versatile building block for the synthesis of more complex phosphorus-containing molecules, including potential flame retardants, plasticizers, and specialized agrochemicals. This product is essential for R&D laboratories and industrial manufacturers in the fine chemical, agrochemical, and polymer additive sectors seeking to develop new functional materials.

Application

• Key intermediate in the synthesis of organophosphate flame retardants and plasticizers.
• Precursor for the development of specialized agrochemicals, such as insecticides and herbicides.
• Building block in pharmaceutical research for creating novel phosphorus-based active ingredients.
• Used in academic and industrial R&D for exploring new coordination chemistry and ligands.
• Intermediate in the production of extractants and modifiers for metal ion separation processes.
• Starting material for the synthesis of functional monomers for specialty polymers.

Basic Information

Product Name	Bis(2-Chloroethyl) Methylphosphonate
CAS No.	2799-58-8
Molecular Formula	C5H11Cl2O3P
Molecular Weight	221.02 g/mol
Synonyms	Methylphosphonic Acid Bis(2-Chloroethyl) Ester; Bis(2-Chloroethyl) Methylphosphonate; Methyl Bis(2-chloroethyl) Phosphonate; NSC 24901; Phosphonic Acid, Methyl-, Bis(2-Chloroethyl) Ester; 2-Chloroethyl Methylphosphonate (dimer)
EINECS	220-539-9

Quality Control

Our Bis(2-Chloroethyl) Methylphosphonate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality for your critical processes.

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 (moisture-sensitive) nature, containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.35 g/cm³

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