Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 15625-89-5, Whether you call it Trimethylolpropane Triacrylate, TMPTA or 2-Ethyl-2-(hydroxymethyl)-1 -3-propanediol Triacrylate you can be assured the Trimethylolpropane Triacrylate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.