Supplier Page from Thermo Fisher Scientific for Bromocresol Purple sodium salt, 0.04% w/v aq. soln
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific