Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.5mm (0.02in) thick, annealed, 99.95% (metals basis excluding Nb)
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific