Description

Bis(2-Chloroethyl)Phosphite is a versatile organophosphorus compound primarily used as a key intermediate in chemical synthesis. Its value lies in its bifunctional structure, featuring reactive chloroethyl groups and a phosphite moiety, making it a crucial building block for flame retardants, plasticizers, and specialized polymers. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to develop high-performance materials.

Application

• Intermediate for the synthesis of organophosphorus flame retardants and plasticizers.
• Key precursor in the production of phosphonate-based agrochemicals, such as herbicides and plant growth regulators.
• Building block for specialty polymers and resins, including those with enhanced flame-retardant properties.
• Used in the preparation of metal extractants and ligands for coordination chemistry.
• Intermediate in pharmaceutical research for creating novel bioactive molecules.
• Starting material for synthesizing phosphite antioxidants used in polymer stabilization.

Basic Information

Product Name	Bis(2-Chloroethyl)Phosphite
CAS No.	1070-42-4
Molecular Formula	C4H9Cl2O3P
Molecular Weight	207.00 g/mol
Synonyms	Di(2-chloroethyl) Phosphite; Phosphorous Acid Bis(2-chloroethyl) Ester; 2-Chloroethyl Phosphite; Bis(β-chloroethyl) Phosphite; NSC 402124; Phosphonic Acid, P,P-Bis(2-chloroethyl) Ester; 1,2-Dichloroethyl Phosphite (mixture); Ethanol, 2-chloro-, 1,1'-phosphite
EINECS	213-979-5

Quality Control

Our Bis(2-Chloroethyl)Phosphite is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identification by FTIR, to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee consistency and reliability for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Recommended storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Density (20°C)	1.35 - 1.40 g/mL
Refractive Index (n20D)	1.470 - 1.480
Water Content (KF)	≤ 0.5%

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