Description

Ethyl Hydrogen Ethylphosphonate is a versatile organophosphorus compound that serves as a key intermediate in the synthesis of more complex phosphorus-containing molecules. Its unique structure, featuring both an ethyl ester and a phosphonic acid group, makes it a valuable building block for creating flame retardants, plasticizers, and specialized ligands. This chemical is particularly sought after by manufacturers in the agrochemical, polymer, and pharmaceutical industries for developing new active ingredients and functional materials. Consistent quality and reliable supply are critical for ensuring the success of downstream synthesis and production processes.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of organophosphate insecticides, herbicides, and plant growth regulators.
• Flame Retardant Synthon: Used to manufacture phosphorus-based flame retardants for polymers, textiles, and coatings, enhancing fire safety.
• Ligand and Catalyst Preparation: Serves as a starting material for creating phosphonate ligands used in metal catalysis and coordination chemistry.
• Pharmaceutical Building Block: Employed in the research and development of bioactive molecules and prodrugs containing phosphonate groups.
• Plasticizer and Stabilizer Component: Incorporated into formulations to improve the flexibility and stability of PVC and other plastics.
• Water Treatment Chemical Precursor: Used to produce scale and corrosion inhibitors for industrial water systems.
• Surface Modification Agent: Applied in the creation of self-assembled monolayers and surface treatments for metals and ceramics.
• Research & Development: Utilized in academic and industrial labs for exploring new reactions and materials science applications.

Basic Information

Product Name	Ethyl Hydrogen Ethylphosphonate
CAS No.	7305-61-5
Molecular Formula	C4H11O3P
Molecular Weight	138.10 g/mol
Synonyms	Ethylphosphonic Acid Monoethyl Ester; Monoethyl Ethylphosphonate; Ethyl Ethylphosphonate; Ethyl Ethylphosphonic Acid; Ethyl Hydrogen Ethylphosphonate; Ethyl (Hydroxyethyl)phosphinate; (Ethoxy)(ethyl)phosphinic Acid; Ethylphosphonatoic Acid Ethyl Ester
EINECS	230-759-6

Quality Control

Our Ethyl Hydrogen Ethylphosphonate is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration or chromatography and identification by spectroscopic methods. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting key parameters such as purity, water content, and specific impurities. Our quality commitment aligns with ISO 9001 standards, and we can support compliance requirements for REACH and other global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture. Incompatible with strong oxidizing agents, strong bases, and strong acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Density (20°C)	~1.10 g/cm³
Refractive Index (20°C)	~1.430

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