Supplier Page from Thermo Fisher Scientific for Methyl Red, 0.1% w/v solution in ethanol
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific