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Triethyl phosphite (CAS NO : 122-52-1)

Triethyl phosphite (CAS 122-52-1) serves as a vital reagent in the API intermediates market, primarily utilized for the synthesis of advanced pharmaceuticals and flame retardants where high purity fine chemicals (Pharma/API purity 99% | General Industry purity 98%) are critical for achieving high-yield Arbuzov and Perkow reactions. Triethylphosphite acts as a high-performance deoxygenating agent and ligand in the current shift toward strategic global sourcing, as CDMOs increasingly require custom synthesis services that offer meticulous impurity control and technical validation to satisfy evolving environmental and safety regulations. Phosphorous acid triethyl ester remains a preferred choice for large-scale process development and bulk chemical supplier procurement, reflecting an industry-wide trend toward localized supply chains and robust analytical characterization to maintain consistent crystalline stability (Pharma/API purity 99% | General Industry purity 98%). We are an globally established Triethyl phosphite intermediates supplier with >= 99% purity, ensuring minimal carry-over of impurities in the final API, and a broad range of various pharmaceutical intermediates for API manufacturers and finished formulators, providing comprehensive analytical (HPLC/NMR/MS) and supporting Triethyl phosphite COA/TDS/SDS region-specific regulatory support. reliable lead times, worldwide supply chain capabilities

Triethyl phosphite

Triethyl phosphite (CAS 122-52-1) serves as a vital reagent in the API intermediates market, primarily utilized for the synthesis of advanced pharmaceuticals and flame retardants where high purity fine chemicals (Pharma/API purity 99% | General Industry purity 98%) are critical for achieving high-yield Arbuzov and Perkow reactions. Triethylphosphite acts as a high-performance deoxygenating agent and ligand in the current shift toward strategic global sourcing, as CDMOs increasingly require custom synthesis services that offer meticulous impurity control and technical validation to satisfy evolving environmental and safety regulations. Phosphorous acid triethyl ester remains a preferred choic...

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Chemical Properties & Specifications

Applications of Triethyl phosphite

Reducing Agent

A versatile organophosphorus reagent used for the deoxygenation of hydroperoxides to alcohols and in the Corey-Winter olefin synthesis

Organic Synthesis Reagent

A key reactant in the Michaelis-Arbuzov reaction to produce organophosphonates for Horner-Wadsworth-Emmons reactions and in the synthesis of 1-aminocyclopropanephosphonic acid

Phosphine Ligand

A soft ligand employed in coordination chemistry and homogeneous catalysis to form stable complexes with metals like copper(I) iodide, iron, and nickel

Chemical Intermediate

An essential building block for the industrial manufacturing of flame retardants, optical brighteners, antioxidants, and agrochemicals such as insecticides

Polymer Additive

A functional plasticizer, stabilizer, and resin modifier used to enhance the properties of PVC, unsaturated polyesters, and rubber.

Have Questions About Triethyl phosphite?
We've Got Answers.

Triethyl phosphite is an organophosphorus compound and phosphite ester used as a versatile reagent in organic synthesis, a ligand in organometallic chemistry, and a reducing agent

This compound is widely utilized in the agrochemical, pharmaceutical, polymer, and lubricant industries for producing pesticides, flame retardants, plasticizers, and active pharmaceutical ingredients

It is soluble in most organic solvents including ethanol, ether, benzene, and acetone, but is hydrolytically unstable and decomposes in contact with water

Standard specifications include CAS number 122-52-1, high purity (typically ≥98%), boiling point 156°C, and documentation such as COA, TDS, impurity reports, and regulatory compliance documents

Scimplify has capabilities for global distribution and custom synthesis through an integrated network of manufacturers and logistics partners with reliable lead time

The product is export ready with a standard MOQ starting from 100 kgs, with lead times for international customers depending on the shipping destination and specific grade.

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