Supplier Page from Thermo Fisher Scientific for Bromocresol Purple sodium salt, 0.04% w/v aq. soln
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
3-Fluoroaniline, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific