Carousel 6 Plus Reaction Station

Parallel reaction system for heating, stirring and refluxing up to six samples

The Carousel 6 Plus Reaction Station is a patented parallel synthesis system designed for performing multiple reactions simultaneously in standard round-bottom flasks. The system heats, stirs and refluxes up to six samples while allowing reactions to be carried out under an inert atmosphere.

Designed for use with a Carousel stirring hotplate, the compact system provides efficient temperature control, powerful stirring and uniform reaction conditions across all positions while maintaining a small laboratory footprint.

Simultaneous heating and temperature control

The Carousel 6 Plus heats up to six reactions simultaneously from ambient temperature to 180 °C. The aluminum heated base distributes heat evenly to every reaction position, ensuring consistent heating performance.

Temperature can be controlled using the digital controller of the Carousel stirring hotplate or, for increased accuracy, with an optional Pt1000 temperature sensor. The sensor can be placed in the aluminum block or directly into the reaction solution through the Suba-Seal septum, allowing control based on either block or solution temperature.

The system provides digital temperature control with an accuracy of ±0.5 °C, while heat-up testing has shown that six flasks of water can be brought to the boil in less than 25 minutes. A PTFE heat protection ring reduces the risk of accidental contact with the heated aluminum base.

Powerful and uniform stirring

The patented Carousel design delivers powerful and consistent stirring in all six reaction vessels. By positioning every flask and magnetic stirrer bar at an equal distance from the centrally located magnet in the hotplate, the system uses the secondary magnetic field to ensure that each reaction is stirred at the same speed.

Rare-earth elliptical PTFE-coated stirrer bars generate strong mixing and a deep vortex throughout the reaction.

Efficient reflux operation

The integrated water-cooled aluminum reflux head provides efficient refluxing for every reaction vessel, helping minimize solvent evaporation and loss.

Cooling water circulates through the aluminum reflux head, creating a cooling zone where solvent vapors condense and return to the reaction flask. Removable aluminum inserts allow flasks to be removed easily while maintaining efficient heat transfer during reflux. Built-in spring clips securely retain the flasks during operation.

Quick-release water couplings with integrated shut-off valves simplify connection and disconnection of the cooling water while helping minimize water loss and leaks.

Reactions under an inert atmosphere

The Carousel 6 Plus incorporates a radial gas distribution system that enables reactions to be performed under an inert atmosphere.

A central gas or vacuum inlet distributes inert gas to all six reaction vessels through gas-tight Easy-On PTFE caps. By alternating between vacuum and inert gas, reaction vessels can be rapidly purged of air, making the system suitable for reactions that require moisture- or oxygen-free conditions.

The quick-release coupling on the reflux head allows easy connection of either vacuum or inert gas.

Easy-On PTFE caps

Chemically resistant Easy-On PTFE caps attach quickly to each flask using a quick-thread design and connect directly to the radial gas distribution system.

Each cap includes:

• An on/off valve for isolation from the gas system
• A replaceable silicone Suba-Seal septum for reagent addition or sample withdrawal using a syringe
• Push-fit connection to the inert gas system

Compatible reaction vessels

The Carousel 6 Plus accepts a wide range of round-bottom flasks, including standard vessels and flasks with one or two sidearms.

Compatible flask sizes include:

• 5 mL
• 10 mL
• 25 mL
• 50 mL
• 100 mL
• 170 mL
• 250 mL

The range also includes wide-neck, baffled and azeotropic flasks. Aluminum reducing inserts fit into the 250 mL positions, allowing smaller flasks from 5 to 170 mL to be used while maintaining effective heat transfer.

Key features

• Simultaneous heating, stirring and refluxing of up to six reactions
• Operating temperature from ambient to 180 °C
• Digital temperature control with ±0.5 °C accuracy
• Even heat distribution through an aluminum heated base
• Patented stirring system for uniform stirring across all positions
• Water-cooled aluminum reflux head
• Operation under an inert atmosphere using an integrated gas distribution system
• Chemically resistant Easy-On PTFE caps with quick-thread attachment
• Compact design with good visibility of all reaction vessels
• Compatible with round-bottom flasks from 5 to 250 mL

Options

Heated Carousel 6 Plus

• Rapid heating to 180 ˚C
• Powerful, even stirring
• 250 ml azeotropic (Dean Stark) flask option
• Mounted on the Carousel Stirring Hotplate, the Carousel 6 Plus can simultaneously heat up to six reactions