Supplier Page from Thermo Fisher Scientific for Congo Red, indicator grade
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
2-Mercaptobenzothiazole, 95% from Thermo Fisher Scientific
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
Glyoxalbis(2-hydroxyanil), 97% from Thermo Fisher Scientific