Tricyclodecanedimethanol diacrylate(DCPDA) CAS No.: 42594-17-2

April 9, 2026

Tricyclodecanedimethanol diacrylate(DCPDA) CAS No.: 42594-17-2, is a high-performance difunctional acrylate monomer featuring a unique rigid cyclic structure. This structure imparts exceptional hardness, excellent heat resistance, and chemical stability to the product, making it particularly suitable for UV-curable systems requiring high mechanical strength, high temperature resistance, and chemical corrosion resistance.

Product Mananger: grace@coreychem.com

📋Basic information:

Chemical name: Tricyclodecanedimethanol diacrylate(DCPDA)
CAS No.: 42594-17-2
Molecular Formula: C18H24O4
Molecular Weight: 304.38

📌Specification:

Appearance:	Colorless liquid
Purity:	≥99%
Density :	1.1 g/mL at 25 °C(lit.)
Flash point :	230 °F
Refractive Index :	n20/D 1.506(lit.)
Viscosity:	Medium to high (approximately 300–500 mPa·s at 25°C)
Polymerization Inhibitor:	Stabilized with 0.05–0.1% MEHQ inhibitor.
Package:	25kg/Drum；200kg/Drum or as per customer request
Storage:	Store in a cool, sealed place away from light, recommended temperature < 25°C.

🎯Key Features:

Ultra-high hardness: Rigid tricyclic structure provides extremely high crosslink density
Excellent heat resistance: Heat distortion temperature (HDT) up to above 150°C
Chemical resistance: Outstanding resistance to solvents, acids and alkalis
Low shrinkage: Low curing volume shrinkage, good dimensional stability
High refractive index: nD²⁰ ≈ 1.51, suitable for optical materials

🧩Application of Tricyclodecanedimethanol diacrylate(DCPDA) CAS No.: 42594-17-2

1. High-Performance UV Coatings

Automotive Coatings: Used for high-temperature resistant components such as vehicle lamps and interior parts.
Industrial Coatings: Protective coatings for engineering machinery and aerospace equipment.
Electronic Coatings: Protective coatings for PCBs with excellent solder resistance.

2. Electronic Encapsulation Materials

LED Encapsulation: High light transmittance and anti-yellowing properties, suitable for high-power LEDs.
Semiconductor Encapsulation: Chip protective layer with high temperature resistance and moisture resistance.