Description

Dimethyl Vinylphosphonate is a versatile organophosphorus compound, specifically a vinylphosphonate ester, with the CAS number 4645-32-3. This chemical serves as a crucial building block in organic synthesis, prized for its reactive vinyl and phosphonate groups which enable the construction of complex molecular architectures. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediates: Key precursor in the synthesis of bisphosphonate drugs for treating osteoporosis and other bone disorders.
• Agrochemical Synthesis: Used to create novel herbicides, insecticides, and plant growth regulators with phosphonate functionalities.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for flame-retardant polymers, specialty coatings, and adhesives.
• Ligand & Catalyst Development: Employed in the preparation of phosphonate-based ligands for metal catalysis and coordination chemistry.
• Chemical Research: Fundamental reagent for Horner-Wadsworth-Emmons (HWE) olefination reactions to form carbon-carbon double bonds.
• Surface Modification: Used to functionalize surfaces with durable, phosphonate-based monolayers for improved corrosion resistance or biocompatibility.

Basic Information

Product Name	Dimethyl Vinylphosphonate
CAS No.	4645-32-3
Molecular Formula	C4H9O3P
Molecular Weight	136.08 g/mol
Synonyms	Vinylphosphonic Acid Dimethyl Ester; Dimethoxyphosphinyloxyethene; Phosphonic Acid, Vinyl-, Dimethyl Ester; DMVP; Dimethyl Ethenylphosphonate; (Vinyloxy)phosphonic Acid Dimethyl Ester; Ethenyl Dimethyl Phosphonate
EINECS	225-082-5

Quality Control

Our Dimethyl Vinylphosphonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial and research applications.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
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.