Trimethylolpropane Triacrylate(TMPTA)

Trimethylolpropane Triacrylate (TMPTA) is a high-quality industrial chemical widely used in coatings, adhesives, inks, resins, plastics, and specialty formulations. It offers reliable performance, chemical stability, and consistent processing characteristics, making it suitable for modern manufacturing and advanced industrial applications.

Technical Specifications
Absorption 0.20%
Acid Value ≤ 1.0mg
Volatility Very Low
Packing Available 30kg Can, 200kg Drum
Melting Point -66°C
Appearance Clear to light yellow liquid
Odour Mild acrylate odour
Molecular Weight 296.32g/mol
Boiling Point 390°C
Distillation Range 280–300°C
Freezing Point -20°C
Specific Gravity 1.109°Cg/cm³
Refractive Index 1.473 at 20 °C
Flash Point 194.5°C
Specific Heat 1.5kJ/kg·K
Autoignition Temp 385°C

Description

Trimethylolpropane Triacrylate(TMPTA) is a reactive (meth)acrylate component used as a diluent/crosslinker in radiation‑curable formulations to balance viscosity, cure speed, and final film properties.

Uses

UV-curable coatings/inks/adhesives; crosslinker.

Benefits

High crosslink density; improves hardness and chemical resistance.

Safety, Compliance & Notes

Thermal Conductivity 0.19W/m·K.
Electrical Conductivity 0.000000001S/cm
Heat of Formation -650kJ/mol
Heat of Vaporization –
Structure
CAS Number 15625-89-5
EINECS Number 15625-89-5
Storage & Packaging Store in original, tightly closed containers away from heat/light; use inhibitor-protected grades; keep under recommended temperature range; nitrogen blanket if specified by supplier. (Applicable to Trimethylolpropane Triacrylate(TMPTA) handling.)
Product Stewardship Apply product stewardship: risk assessment, proper labeling, transport compliance, and customer communication via SDS/COA; avoid environmental release. (For Trimethylolpropane Triacrylate(TMPTA).)
Note Note: For Trimethylolpropane Triacrylate(TMPTA), confirm grade, inhibitor content (if any), and purity/spec limits with the supplier COA before formulation.
Notice NOTICE: Information is provided for guidance only and does not replace the manufacturer’s SDS/TDS; user must evaluate suitability for the intended process and comply with regulations. (For Trimethylolpropane Triacrylate(TMPTA).)

Additional information

Weight

1 kg, 10 kg, 30 kg, 200 kg