Supplier Page from Thermo Fisher Scientific for Phenol Red
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific