Description

4,5-Dihydro-1,3,2-Dioxaphosphole 2-Oxide is a key organophosphorus compound featuring a five-membered heterocyclic ring. This versatile chemical intermediate is valued for its role in synthesizing complex molecules, particularly in advanced material science and pharmaceutical research. It is essential for manufacturers and R&D chemists in the agrochemical, pharmaceutical, and specialty polymer industries seeking to develop novel flame retardants, bioactive compounds, or functional materials.

Application

• As a crucial phosphorus-containing intermediate in the synthesis of novel flame retardants for plastics and textiles.
• In pharmaceutical research for constructing complex heterocyclic scaffolds with potential biological activity.
• As a building block for specialty ligands and catalysts used in organic synthesis and material science.
• In the development of functional polymers and advanced materials with tailored properties.
• For research and development of new agrochemicals, including herbicides and insecticides.
• As a reagent in the synthesis of nucleoside analogs and other bioactive molecules.

Basic Information

Product Name	4,5-Dihydro-1,3,2-Dioxaphosphole 2-Oxide
CAS No.	1003-11-8
Molecular Formula	C2H5O3P
Molecular Weight	108.03 g/mol
Synonyms	2-Oxo-1,3,2-dioxaphospholane; 2-Hydroxy-1,3,2-dioxaphospholane 2-oxide; 1,3,2-Dioxaphospholane, 2-oxo-; Ethylene hydrogen phosphate; Ethylene phosphite; 2-Oxo-2H-1,3,2-dioxaphospholane; Phosphonic acid, P,P'-1,2-ethanediyl ester
EINECS	213-692-4

Quality Control

Our production of 4,5-Dihydro-1,3,2-Dioxaphosphole 2-Oxide adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO quality principles for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen to prevent degradation. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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