Description

2-(Diethoxyphosphinyl)-3-Methylbutanoic Acid Ethyl Ester is a high-purity organophosphorus compound serving as a critical synthetic intermediate. Its value lies in its versatile reactivity, enabling the construction of complex molecules with specific functional groups. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable building block for advanced synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with phosphorus-containing bioactive moieties.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the phosphonate ester group is integral to biological activity.
• Ligand and Catalyst Precursor: Serves as a starting material for the development of novel organophosphorus ligands used in homogeneous catalysis and metal complexation.
• Chemical Research & Development: A versatile reagent in organic synthesis for constructing carbon-phosphorus bonds and exploring new reaction methodologies.
• Specialty Polymer Modification: Employed to introduce phosphonate functional groups into polymer chains, altering properties like flame retardancy or metal adhesion.

Basic Information

Product Name	2-(Diethoxyphosphinyl)-3-Methylbutanoic Acid Ethyl Ester
CAS No.	35051-50-4
Molecular Formula	C11H23O5P
Molecular Weight	266.27 g/mol
Synonyms	Ethyl 2-(Diethoxyphosphoryl)-3-methylbutanoate; Diethyl (1-Ethoxycarbonyl-2-methylpropyl)phosphonate; 3-Methyl-2-phosphonobutanoic Acid Ethyl Ester Diethyl Ester; Ethyl 3-Methyl-2-(diethoxyphosphinyl)butyrate; Diethyl (1-Ethoxy-3-methyl-1-oxobutan-2-yl)phosphonate; (1-Ethoxycarbonyl-2-methylpropyl)phosphonic Acid Diethyl Ester; NSC 163046
EINECS	Contact for details

Quality Control

Every batch of 2-(Diethoxyphosphinyl)-3-Methylbutanoic Acid Ethyl Ester is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistent quality and traceability for your critical processes.

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 and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability, although the product is stable at controlled room temperature for shorter periods. Keep container tightly sealed when not in use to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.