Description

Diethyl 4-Hydroxybutylphosphonate is a versatile organophosphorus compound characterized by a phosphonate ester group and a terminal hydroxyl functionality. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules and modifying material properties. It is primarily sought after by research and development teams, as well as production chemists, in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phosphonate or phosphate ester moieties for bioactivity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, plant growth regulators, and other crop protection agents where the phosphonate group is integral to the mode of action.
• Ligand and Catalyst Preparation: Acts as a precursor for phosphonate-based ligands used in homogeneous catalysis and metal complexation.
• Flame Retardant Synthon: Incorporated into polymers and coatings as a reactive intermediate to impart flame-retardant properties.
• Surface Modification Agent: Utilized to functionalize surfaces of materials like metals or oxides through its reactive hydroxyl and phosphonate groups.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	Diethyl 4-Hydroxybutylphosphonate
CAS No.	63075-64-9
Molecular Formula	C8H19O4P
Molecular Weight	210.21 g/mol
Synonyms	4-Hydroxybutylphosphonic Acid Diethyl Ester; Diethyl (4-Hydroxybutyl)phosphonate; Butylphosphonic Acid, 4-Hydroxy-, Diethyl Ester; Diethyl 4-Hydroxybutanephosphonate; (4-Hydroxybutyl)phosphonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our Diethyl 4-Hydroxybutylphosphonate is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including assay by GC or HPLC, identity confirmation (IR, NMR), and impurity profiling to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment to support your quality assurance processes.

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). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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