Supplier Page from Thermo Fisher Scientific for Hafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.5%
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific