Trimethylolpropane ethoxylate triacrylate
Trimethylolpropane ethoxylate triacrylate (CAS 28961-43-5) is a trifunctional acrylate monomer. It offers excellent hardness, chemical resistance, and weatherability. This versatile monomer is primarily used in UV/EB curable coatings, inks, and adhesives, contributing to crosslinking and improving performance properties in polymer formulations. Its reactive acrylate groups enable rapid curing under specific radiation conditions, making it valuable in advanced material applications.
- IUPAC
- Trimethylolpropane ethoxylate (14/3 EO/OH) triacrylate,Trimethylolpropane ethoxylate (7/3 EO/OH) triacrylate
![Trimethylolpropane ethoxylate triacrylate ([H2C=CHCO2(CH2CH2O)nCH2]3CC2H5) — chemical structure, CAS 28961-43-5; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F28961-43-5.png&w=3840&q=75)
UV/EB Curable Coatings
Utilised in formulations for wood, plastic, and metal coatings requiring fast curing and high durability. It enhances scratch resistance and gloss.
Adhesives
Incorporated into UV-curable adhesives to provide strong bonding with rapid setting times. Suitable for demanding assembly applications.
Inks
A key component in UV-curable printing inks, improving adhesion and resistance to solvents and abrasion on various substrates.
Polymer Synthesis
Acts as a crosslinking agent in the synthesis of speciality polymers and resins. Contributes to network formation and tailored material properties.
| Linear formula | [H2C=CHCO2(CH2CH2O)nCH2]3CC2H5 |
|---|---|
| Boiling point | 157 °C(lit.) |
| Density | 1.11 g/mL at 25 °C |
| Refractive index | n20/D 1.471(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Trimethylolpropane ethoxylate triacrylate used for?
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Trimethylolpropane ethoxylate triacrylate is primarily used in UV/EB curable coatings, inks, and adhesives, as well as in polymer synthesis where its trifunctional acrylate nature provides crosslinking and enhances material properties like hardness and chemical resistance.
What is the CAS number and formula for Trimethylolpropane ethoxylate triacrylate?
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The CAS number is 28961-43-5. The linear formula is [H₂C=CHCO₂(CH₂CH₂O)ₙCH₂]₃CC₂H₅.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a technical or research grade. We do not represent it as USP, BP, or EP grade unless explicitly stated otherwise.
How should Trimethylolpropane ethoxylate triacrylate be handled safely?
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Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray (H335). Causes skin irritation (H315) and serious eye irritation (H319). Ensure good ventilation.
How is this chemical exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. We handle all aspects of packaging, shipping, and export documentation to ensure compliant delivery worldwide.
How can I request a sample or quote for Trimethylolpropane ethoxylate triacrylate?
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To request a sample or obtain a quotation, please contact our sales team through the website or by phone. Please specify the quantity required and your delivery location.
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