Supplier Page from Thermo Fisher Scientific for Sodium sulfide hydrate, 60-64%, extra pure, scales
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific