Description

Ethylmethylphosphinic Anhydride is a specialized organophosphorus compound that serves as a critical building block in advanced chemical synthesis. Its value lies in its high reactivity as an anhydride, making it an efficient reagent for introducing the ethylmethylphosphinic moiety into target molecules. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors, particularly for developing novel active ingredients and functional ligands.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially those targeting the central nervous system.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and plant growth regulators with specific activity profiles.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized phosphinate-based ligands used in asymmetric catalysis and metal complexation.
• Flame Retardant Development: A reactive intermediate in the synthesis of organophosphorus flame retardants for polymers and textiles.
• Material Science Research: Employed in the development of novel monomers for high-performance polymers and coatings.
• Chemical Synthesis Reagent: Acts as a versatile phosphorylating agent in organic chemistry research and process development.

Basic Information

Product Name	Ethylmethylphosphinic Anhydride
CAS No.	51528-37-1
Molecular Formula	C6H15O3P2
Molecular Weight	212.13 g/mol
Synonyms	Ethyl(methyl)phosphinic anhydride; Ethylmethylphosphinic acid anhydride; Bis(ethylmethylphosphinic) anhydride; Ethylmethylphosphinous anhydride; P,P'-(Ethylmethylphosphinyl) oxide; (Ethylmethylphosphinyl) oxide; EMPA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Ethylmethylphosphinic Anhydride is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity, consistency, and identity. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, supporting your quality assurance and regulatory compliance needs. Specifications are aligned with research and industrial grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials such as strong bases, strong oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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