Bench-top Rotary Evaporator EV-2000 / EV-3000 / EV-5000
Rotary Evaporator is a versatile instrument widely utilized in the pharmaceutical, chemical, and biopharmaceutical industries for concentration, crystallization, drying, separation, and solvent recovery. It functions by heating a rotating flask at a steady temperature under vacuum conditions, which creates a thin film on the flask's interior surface to improve evaporation efficiency. The vaporized solvent is condensed through a glass condenser and collected in a separate container, significantly enhancing overall performance.
The Torontech Rotary Evaporator is an essential instrument for the gentle and efficient removal of volatile solvents from heat-sensitive samples. Its primary application is to concentrate solutions under vacuum, a process fundamental to modern laboratory work that requires the isolation of a target compound from its solvent without causing thermal degradation. This makes it a cornerstone for purification, concentration, and solvent recycling across numerous scientific fields.
This critical evaporation and concentration capability is fundamental to daily operations in:
- Pharmaceutical & Chemical Synthesis: For the purification and isolation of synthesized compounds and Active Pharmaceutical Ingredients (APIs) by efficiently stripping away reaction solvents without degrading the valuable target molecule.
- Food, Flavor & Botanical Extraction: To create high-quality concentrates, essential oils, and botanical extracts by gently removing solvents like ethanol, perfectly preserving the flavor, aroma, and potency of the final product.
- Academia & Research: As a foundational instrument in organic chemistry and research laboratories for the routine concentration and purification of reaction mixtures, making it an essential part of nearly every experimental workup.
- Analytical Sample Preparation: For preparing samples prior to analysis by concentrating dilute solutions to bring the analyte within the detection limits of instruments like HPLC or GC, or for performing critical solvent exchange procedures.
- PTFE and fluororubber double seals ensure excellent vacuum performance.
- Constructed with high-strength borosilicate glass 3.3 for superior durability, temperature resistance, and corrosion resistance.
- Features dual protection for rotation and heating, offering enhanced safety.
- Equipped with an electric lift for ease of use.
- Integrated condenser with a double coil for a high solvent recovery rate.

| Model | EV-2000 | EV-3000 | EV-5000 |
|---|---|---|---|
| Voltage | 220-240V, 50Hz (110V is also available) | ||
| Overall power | 1260W | 1560W | |
| Rotating motor power | 40W | ||
| Lifting motor power | 20W | ||
| Heating power | 1200W | 1500W | |
| Control panel | A: Digital display of temperature B: Digital display of temperature, rotation speed E: LCD display of temperature, rotation speed | LCD display of temperature, rotation speed | |
| Vacuum degree | 0.098MPa | ||
| Evaporating flask | Eggplant-shaped 1L φ131mm | 3L φ195mm | 5L φ230mm |
| Receiving bottle | 1L φ131mm | 2L φ166mm | 3L φ195mm |
| Rotation speed | 0-200rpm | ||
| Temperature range | RT~99°C (Water bath) RT~180°C (Oil bath) | ||
| Temperature control accuracy | +/-1°C | ||
| Lifting distance | 120mm | 90mm | |
| Lifting mode | Electric | ||
| Condensing area | 0.17m² | 0.26m² | |
| Bath size & volume | Φ235×145H mm, 6.2L | Φ255×155H mm, 7.9L | Φ275×160H mm, 9.5L |
| Dimensions | 630W×400D×(690-810)H mm | 690W×490D×(810-930)H mm | 690W×440D×(825-915)H mm |
| Weight | 20.5kg | 21.5kg | 30kg |



