Supplier Page from Thermo Fisher Scientific for Tantalum rod, 6.4mm (0.25in) dia, 99.95% (metals basis)
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific