Description

Diethylphosphonoacetic Acid is a versatile organophosphorus compound that serves as a key synthetic intermediate. Its value lies in its ability to act as a phosphonate reagent in the Horner-Wadsworth-Emmons (HWE) olefination reaction, enabling the efficient synthesis of α,β-unsaturated carbonyl compounds. This makes it an essential building block for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediates: Critical for synthesizing active pharmaceutical ingredients (APIs), particularly those containing vinyl or acrylate groups.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Specialty Chemical Manufacturing: Serves as a precursor for flame retardants, plasticizers, and corrosion inhibitors.
• Material Science Research: Employed in the development of novel polymers, ligands for catalysis, and functional materials.
• Organic Synthesis: A fundamental reagent for constructing carbon-carbon double bonds via the Horner-Wadsworth-Emmons reaction in academic and industrial R&D.
• Flavor and Fragrance Industry: Used in the synthesis of certain aroma chemicals and flavoring agents.

Basic Information

Product Name	Diethylphosphonoacetic Acid
CAS No.	3095-95-2
Molecular Formula	C6H13O5P
Molecular Weight	196.14 g/mol
Synonyms	Diethyl (carboxymethyl)phosphonate; (Diethoxyphosphinyl)acetic Acid; Acetic acid, 2-(diethoxyphosphinyl)-; Diethyl phosphonoacetate (acid form); Phosphonoacetic acid, diethyl ester; DEAPA; Diethyl (acetoxy)phosphonate; (Carboxymethyl)phosphonic acid diethyl ester
EINECS	221-445-6

Quality Control

Our Diethylphosphonoacetic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and purity verification by chromatographic methods, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its acidic nature, keep away from strong bases, oxidizing agents, and incompatible materials. Ensure containers are kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	1.20 - 1.30 g/cm³

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