Description

2-Methylvinylphosphonic Acid is a reactive organophosphorus monomer featuring a vinyl group and a phosphonic acid functionality. This unique structure makes it a valuable building block for synthesizing specialty polymers, coatings, and functional materials with tailored properties. It is particularly sought after by manufacturers in the advanced materials, polymer chemistry, and specialty chemical sectors for applications requiring precise surface modification or flame-retardant characteristics.

Application

• Key monomer for the synthesis of phosphorus-containing polymers and copolymers.
• Surface modification agent for creating adhesion-promoting layers on metals, glass, and composites.
• Precursor for flame-retardant additives in plastics, textiles, and coatings.
• Building block in the production of scale and corrosion inhibitors for water treatment formulations.
• Intermediate for chelating agents and metal ion complexants.
• Component in the development of dental and biomedical materials for improved biocompatibility.
• Used in research and development of proton-conducting membranes for fuel cells.
• Raw material for specialty surfactants and dispersants.

Basic Information

Item	Details
Product Name	2-Methylvinylphosphonic Acid
CAS No.	4721-36-2
Molecular Formula	C3H7O3P
Molecular Weight	122.06 g/mol
Synonyms	Isopropenylphosphonic Acid; 2-Methyl-1-propenylphosphonic Acid; 1-Propen-2-ylphosphonic Acid; Vinylmethylphosphonic Acid; Phosphonic acid, (1-methylethenyl)-; Isopropenylphosphonate
EINECS	225-214-6

Quality Control

Our production of 2-Methylvinylphosphonic Acid adheres to stringent quality management protocols. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details

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