Description

Pentaerythritol Trimethacrylate Phosphate is a specialized multifunctional monomer containing both methacrylate and phosphate ester groups. This unique structure makes it a critical component for imparting enhanced adhesion, crosslinking density, and flame-retardant properties to polymer systems. It is essential for formulators and manufacturers in the coatings, adhesives, and advanced composite materials industries seeking to improve product performance and durability.

Application

• UV-Curable Coatings & Inks: Acts as a reactive diluent and adhesion promoter, particularly on difficult-to-bond substrates like metals and treated plastics.
• Dental Composites & Restorative Materials: Provides improved bonding to tooth enamel and dentin, enhancing the longevity of dental adhesives and fillings.
• Flame-Retardant Polymers: Serves as a reactive comonomer in acrylic resins, polyurethanes, and epoxy systems to improve fire resistance.
• Adhesives & Sealants: Used in structural and pressure-sensitive adhesives to boost adhesion strength and cohesion, especially in challenging environments.
• Fiber Optic Coatings: Contributes to the protective primary and secondary coatings due to its fast cure response and durability.
• Photoresists & Electronic Materials: Employed in the formulation of photopolymerizable resins for electronics and microelectronics applications.

Basic Information

Product Name	Pentaerythritol Trimethacrylate Phosphate
CAS No.	85724-39-6
Molecular Formula	C15H21O10P
Molecular Weight	392.30 g/mol
Synonyms	PETA Phosphate; Pentaerythritol Triacrylate Phosphate; PETMP; 2-[(2-Methyl-1-oxoallyl)oxy]ethyl dihydrogen phosphate; Tris(2-methacryloyloxyethyl) phosphate (common misnomer, check structure); Pentaerythritol trimethacrylate ester of phosphoric acid; Pentaerythritol triacrylate phosphate ester; Reactive phosphate methacrylate monomer
EINECS	Contact for details

Quality Control

Our Pentaerythritol Trimethacrylate Phosphate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, impurity profiling, and functional group verification, to ensure consistency and performance. Certificates of Analysis (COA) detailing purity, color, acid value, and refractive index 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its reactive methacrylate groups, storage under an inert atmosphere (e.g., nitrogen) is recommended for long-term stability to prevent premature polymerization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 10.0 mg KOH/g
Color (APHA)	≤ 100
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	1.25 - 1.35 g/cm³
Water Content (KF)	≤ 0.5%

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