Supplier Page from Thermo Fisher Scientific for Sulfur trioxide pyridine complex, technical, 48-50% active SO3
Dicalite® speed plus, Diatomaceous filter-aid from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Sebacic acid, 98% from Thermo Fisher Scientific