Description

Ethyl Phosphorodichloridite is a highly reactive organophosphorus intermediate used in the synthesis of complex phosphorus-containing compounds. Its value lies in its ability to act as a versatile building block for creating ligands, flame retardants, and agrochemicals. This product is essential for R&D chemists and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel organophosphorus drugs and prodrugs.
• Agrochemical Synthesis: Building block for creating advanced pesticides, herbicides, and plant growth regulators.
• Ligand & Catalyst Preparation: Used to manufacture phosphonite and phosphoramidite ligands for asymmetric catalysis and metal complexation.
• Flame Retardant Production: Intermediate in the synthesis of specialized phosphorus-based flame retardants for polymers and textiles.
• Chemical Research (R&D): A versatile reagent for exploring new reaction pathways and creating custom phosphorus compounds.
• Polymer Modification: Used to introduce phosphorus functional groups into polymer chains to alter material properties.

Basic Information

Product Name	Ethyl Phosphorodichloridite
CAS No.	1498-42-6
Molecular Formula	C2H5Cl2OP
Molecular Weight	146.94 g/mol
Synonyms	Ethyl Dichlorophosphinite; Dichloro(ethoxy)phosphine; Ethoxyphosphonous Dichloride; Ethyl Phosphonous Dichloride; O-Ethyl Phosphorodichloridite; Phosphorodichloridous Acid, Ethyl Ester; NSC 88166
EINECS	216-099-5

Quality Control

Our Ethyl Phosphorodichloridite is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC and NMR analysis, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area. Due to its highly volatile and moisture-sensitive nature, the container must be kept tightly sealed and away from heat, sparks, and open flame. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (Karl Fischer)	≤ 0.1%

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