Description

2-Propenoic Acid, 2-(Hydroxymethyl)- is a versatile and reactive bifunctional monomer containing both a polymerizable acrylic group and a hydroxyl group. This unique structure makes it a critical building block for synthesizing specialty polymers with tailored properties. It is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance product performance through cross-linking and functionalization.

Application

• UV-Curable Coatings & Inks: Serves as a key reactive diluent and cross-linking agent, contributing to fast curing, high gloss, and chemical resistance.
• Adhesives & Sealants: Used to formulate acrylic-based adhesives with improved adhesion strength, flexibility, and environmental durability.
• Hydrogel Synthesis: A fundamental monomer for creating hydrophilic polymer networks used in biomedical applications, contact lenses, and wound dressings.
• Thermoset Resins: Incorporated into polyester and acrylic resins to improve hardness, weatherability, and solvent resistance in final composite materials.
• Surface Modifiers & Additives: Employed to graft functional groups onto polymer backbones or material surfaces, altering wettability, printability, or biocompatibility.
• Dental & Medical Polymers: Used in the production of biocompatible polymers for dental composites and other medical devices due to its polymerizable nature.

Basic Information

Product Name	2-Propenoic Acid, 2-(Hydroxymethyl)-
CAS No.	4370-80-3
Molecular Formula	C4H6O3
Molecular Weight	102.09 g/mol
Synonyms	2-(Hydroxymethyl)acrylic Acid; 2-Hydroxymethylacrylic Acid; β-Hydroxymethylacrylic Acid; 2-Methylene-3-hydroxypropanoic Acid; 3-Hydroxy-2-methylenepropionic Acid; Hydroxymethylacrylic Acid; (Hydroxymethyl)acrylic Acid
EINECS	224-470-9

Quality Control

Our 2-Propenoic Acid, 2-(Hydroxymethyl)- is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications for purity and performance. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all quality parameters.

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 material is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	70 - 75 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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