Description

Hydroxybutyl Acrylate is a versatile bifunctional monomer featuring both a polymerizable acrylate group and a hydroxyl group. This dual functionality is critical for introducing cross-linking sites and enhancing adhesion properties in polymer formulations. It is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to improve product durability, flexibility, and chemical resistance.

Application

• UV-Curable Coatings and Inks: Serves as a reactive diluent and cross-linking agent, contributing to fast curing times and excellent film properties.
• Pressure-Sensitive Adhesives (PSAs): Enhances tack, peel strength, and cohesion in acrylic-based adhesive systems.
• Acrylic Resin Modification: Used to incorporate hydroxyl functionality into acrylic copolymers for subsequent cross-linking with isocyanates or melamine resins.
• Fiber Optic Coatings: Imparts flexibility and environmental stability to protective secondary coatings.
• Photopolymer Printing Plates: A key component in formulations requiring precise curing and high resolution.
• Automotive and Industrial Coatings: Improves adhesion to various substrates and overall coating performance.
• Hydrogel and Biomedical Polymers: Utilized in research for creating hydrophilic, cross-linked networks.

Basic Information

Product Name	Hydroxybutyl Acrylate
CAS No.	51309-28-5
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	4-Hydroxybutyl Acrylate; 4-HBA; Acrylic Acid 4-Hydroxybutyl Ester; 2-Propenoic Acid, 4-Hydroxybutyl Ester; HBA; Hydroxybutyl 2-Propenoate; Butylene Glycol Monoacrylate
EINECS	Contact for details

Quality Control

Our Hydroxybutyl Acrylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets precise customer and industry specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and polymerization.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.2 %
Acidity (as Acrylic Acid)	≤ 0.5 %
Hydroxyl Value	Contact for details
Inhibitor (MEHQ)	100 - 200 ppm

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