Supplier Page from Thermo Fisher Scientific for 12-Crown-4, 97%
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific