Description

Protacryl is a specialized chemical compound, identified by CAS No. 37221-34-4, valued for its unique functional properties in advanced material synthesis. This product is essential for industrial processes requiring high-performance monomers or intermediates with specific reactivity profiles. It serves as a critical raw material for manufacturers in the polymer, specialty coatings, and adhesive industries seeking to enhance product durability and performance.

Application

• As a key monomer or co-monomer in the production of advanced acrylic polymers and resins.
• In the formulation of high-performance industrial coatings for enhanced weather resistance and adhesion.
• Used in the synthesis of specialty adhesives and sealants requiring tailored flexibility and strength.
• As a reactive intermediate in the manufacture of photocurable materials for inks and 3D printing resins.
• In research and development for creating novel functional polymers with specific chemical or physical properties.
• Potential use as a cross-linking agent in composite materials and elastomers.

Basic Information

Product Name	Protacryl
CAS No.	37221-34-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	2-Propenoic acid, 2-methyl-, (1-methylethylidene)di-4,1-phenylene ester; Bisphenol A dimethacrylate; 2,2-Bis[4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl]propane (common isomer); Bis-GMA (related monomer); Dimethacrylate monomer; BPA dimethacrylate; Dental resin monomer; 4,4'-Isopropylidenediphenol dimethacrylate
EINECS	Contact for details

Quality Control

Our Protacryl is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and physical characterization. Certificates of Analysis (COA) documenting purity and key specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Viscosity	Reported
Refractive Index	Reported

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