Description

Diethyl(Diethoxymethyl)Phosphonate is a versatile organophosphorus compound that serves as a key synthetic intermediate. Its value lies in its unique chemical structure, which allows it to act as a crucial building block in the synthesis of complex molecules. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for advanced synthesis.

Application

• As a key phosphonate reagent in the Horner-Wadsworth-Emmons (HWE) olefination reaction for synthesizing alkenes.
• Intermediate in the production of pharmaceutical active ingredients, particularly those containing phosphorus or requiring specific alkene geometries.
• Building block for the synthesis of agrochemicals, such as certain herbicides and plant growth regulators.
• Precursor in the manufacture of flame retardants and other specialty phosphorus-based additives.
• Used in material science research for developing novel polymers and ligands.
• Starting material for synthesizing α,β-unsaturated esters and ketones under mild conditions.

Basic Information

Product Name	Diethyl(Diethoxymethyl)Phosphonate
CAS No.	17997-33-0
Molecular Formula	C9H21O5P
Molecular Weight	240.24 g/mol
Synonyms	Diethyl (diethoxymethyl)phosphonate; (Diethoxymethyl)phosphonic Acid Diethyl Ester; Diethyl P,P-diethoxyphosphonoformate; Diethoxymethylphosphonic Acid Diethyl Ester; Formaldehyde Diethyl Acetal Diethyl Phosphonate; Phosphonic Acid, P-(diethoxymethyl)-, Diethyl Ester; Diethyl Formaldehyde Diethyl Acetal Phosphonate
EINECS	Contact for details

Quality Control

Our Diethyl(Diethoxymethyl)Phosphonate is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

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. Recommended storage temperature is between 15°C and 25°C. The product is sensitive to moisture; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
Density (20°C)	1.08 - 1.12 g/mL

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