Supplier Page from Thermo Fisher Scientific for Sulfur trioxide pyridine complex, technical, 48-50% active SO3
1-Heptanol, 98% from Thermo Fisher Scientific
2,6-Lutidine, 99% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific