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Pentaerythritol tetraacrylate, Pentaerythritol triacrylate, and Trimethylolpropane triacrylate mixture

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PTA/TMPTA mixture, Pentaerythritol acrylates mixture
EC Number:
PubChem Substance ID:


300-400 ppm monomethyl ether hydroquinone as inhibitor

Quality Level

refractive index

n20/D 1.483


1.18 g/mL at 25 °C

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refractive index

n20/D 1.483

refractive index

n20/D 1.471 (lit.)

refractive index

n20/D 1.531 (lit.)

refractive index

n20/D 1.534


1.18 g/mL at 25 °C


1.12 g/mL at 25 °C


1.28 g/mL at 25 °C (lit.)


1.14 g/mL at 25 °C

Quality Level


Quality Level


Quality Level


Quality Level


General description

Pentaerythritol tetraacrylate, Pentaerythritoltriacrylate, and Trimethylolpropane triacrylate mixture is a combination of three acrylate monomers widely used for cross-linking. The Pentaerythritol-based acrylate mixtureoffers advantages such as improved mechanical strength, flexibility, chemical resistance, and UV-curing properties. It finds applications in industries such as automotive coatings, electronics, packaging, and 3D bioprinting.


Pentaerythritol tetraacrylate, Pentaerythritol triacrylate, and Trimethylolpropane triacrylate mixture can be used:

  • As a cross-linking agent to synthesize biodegradable poly (1,3-trimethylene carbonate) (PTMC) networks with improved creep resistance and thermal stability. PMTC networks find application in the field of soft tissue engineering.
  • As a monomer precursor to prepare light-curing dental composites via photopolymerization.
  • To fabricate polymer-dispersed liquid crystal(PDLC) films with low driving voltage, moderately high contrast ratio, and fast response time. These PDLC films are utilized in optoelectronic devices such as OLEDs, FET, and solar cells.
  • As a monomer mixture to prepare 3D bioprinting resins viaphotopolymerization.

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Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

10 - Combustible liquids



Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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