Supplier Page from Thermo Fisher Scientific for Catechol Violet
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Benzalkonium chloride, alkyl distribution C8-C16, 50 wt% aqueous solution from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific