TMPTA: Trimethylolpropane Triacrylate (CAS 15625-89-5)
Highly reactive tri-functional acrylate crosslinker. Preferred monomer for UV-curable coatings, printing inks, and adhesives. Also used as radiation co-agent for rubber and thermoplastic vulcanizates (TPV). Colorless to pale yellow liquid with purity >=95.0%.
Quick Facts
| Trade Name | TMPTA |
|---|---|
| Chemical Name | Trimethylolpropane Triacrylate |
| CAS Number | 15625-89-5 |
| Chemical Family | Acrylate Co-Agent |
| Brand | Dosender |
| Function Category | Crosslinking Co-Agent |
| Product Line | Polymer Agents – Acrylate Co-Agents |
| Applications | UV-Curable Coatings, Printing Inks, Adhesives, Radiation Crosslinking |
| Market Segment | Paints, Coatings and Inks, Rubber and Elastomers |
| Physical Form | Liquid |
| Decomposition Temperature | – |
| Active Oxygen Content | – |
| Molecular Weight | 296.32 |
What Is Trimethylolpropane Triacrylate?
Trimethylolpropane Triacrylate is a acrylate co-agent supplied under the Dosender brand as part of the
Polymer Agents – Acrylate Co-Agents portfolio. Highly reactive tri-functional acrylate crosslinker. Preferred monomer for UV-curable coatings, printing inks, and adhesives. Also used as radiation co-agent for rubber and thermoplastic vulcanizates (TPV). Colorless to pale yellow liquid with purity >=95.0%. As a crosslinking co-agent,
it is engineered for demanding Paints, Coatings and Inks, Rubber and Elastomers applications where consistency and purity are critical.
Key Properties & Specifications
- Chemical family: Acrylate Co-Agent
- CAS number: 15625-89-5
- Physical form: Liquid
- Decomposition temperature: –
- Active oxygen content: –
- Molecular weight: 296.32
How It Works
Trimethylolpropane Triacrylate is a polymer-processing additive used to control cure, vulcanization, molecular weight or surface properties of rubber and plastic systems. It is dosed at low levels to deliver reproducible processing performance in tire, elastomer and compound manufacturing.
Primary Applications
TMPTA is applied across UV-Curable Coatings, Printing Inks, Adhesives, Radiation Crosslinking. Typical market segments include Paints, Coatings and Inks, Rubber and Elastomers.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.
Safety, Handling & Storage
Handle TMPTA in accordance with its Safety Data Sheet (SDS). Store in original,
sealed packaging away from heat, ignition sources and incompatible materials, within the
recommended temperature range. Personal protective equipment and adequate ventilation are
required. Always consult the current SDS and applicable local regulations before use.
Regulatory & Compliance
Do Sender Chem supplies Trimethylolpropane Triacrylate with full documentation and supports compliance with
international chemical regulations (including REACH where applicable). For controlled
precursor grades, supply is managed under know-your-customer and licensing procedures.
Why Source TMPTA from Do Sender Chem?
Do Sender Chem is a global specialty chemical manufacturer offering a broad, multi-language
catalog, consistent quality and responsive technical support. With localized content in 20
languages and worldwide delivery, we help polymer, rubber and specialty producers secure
reliable crosslinking co-agent supply.
Frequently Asked Questions
What is Trimethylolpropane Triacrylate used for?
Trimethylolpropane Triacrylate (trade name TMPTA) is used as a Crosslinking Co-Agent in UV-Curable Coatings, Printing Inks, Adhesives, Radiation Crosslinking. It serves manufacturers in the Paints, Coatings and Inks, Rubber and Elastomers segments.
What is the CAS number of Trimethylolpropane Triacrylate?
The CAS Registry Number of Trimethylolpropane Triacrylate is 15625-89-5. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.
Is Trimethylolpropane Triacrylate classified as Acrylate Co-Agent?
Yes. Trimethylolpropane Triacrylate belongs to the Acrylate Co-Agent chemical family and is marketed under the Dosender brand as part of the Polymer Agents – Acrylate Co-Agents product line.
How should TMPTA be stored and handled?
TMPTA should be stored according to its safety data sheet, away from heat, ignition sources and incompatible materials, in original sealed packaging under the recommended temperature range. Always consult the current SDS and local regulations before handling.
Which industries buy TMPTA?
TMPTA is supplied to producers in the Paints, Coatings and Inks, Rubber and Elastomers industries that require reliable, high-purity Crosslinking Co-Agent raw materials.
Related Products
Explore other acrylate co-agent and crosslinking co-agent products in our catalog, or contact
our team for formulation guidance.
References
- CAS Registry Number: 15625-89-5 — Trimethylolpropane Triacrylate
- Do Sender Chem product data sheet: TMPTA