Supercritical Fluid Technologies’ HPR-Series reactors have been designed for researchers interested in performing pressurized chemical reactions in their laboratories. These reactors are suited for a range of lab and research-scale applications including, but not limited to, high pressure chemical synthesis and process development. The reactors range in size from 50 mL to 4 L, and may be operated up to 10,000 psi and 350 C. Each reactor has a built-in mixer with a magnetically coupled impeller for optimal combining conditions. All high-pressure components are ASME-rated and protected by software “high alarms” and a rupture disc for safe operation. These laboratory benchtop models are suited for applications where repetitive use makes convenience a necessity, such as catalytic studies, polymerization, hydrogenation, oxidation, isomerization and dehydrogenation. All sizes are supplied as ready-to-use instruments requiring only utility connections prior to operation. The series is compact, so it can be easily operated in a fume hood. Their modular design makes it simple and cost-effective to alter the units’ basic configuration to adapt to new or evolving application needs. All functions are controlled by a choice of three integrated RxTrol processors. The RxTrol Sr. offers advanced features using a microcontroller to perform all PID, ramp/soak, process trending, data acquisition, mixing and interlock functions. The RxTrol Jr. comprises two temperature sensors (wall/interior mounting), and fuzzy logic PID temperature and mixing controls in a table top assembly. The RxTrol B comprises two temperature sensors (wall/interior mounting) and an open loop mixer speed control via 0 to 100% power output knob. Additional options include specialty metals, vessel windows (up to 150 C operation only), additional ports, cooling coils, sample loops, standalone pressure transducers, supercritical fluid pumps and reagent addition modules.