Borosilicate Pear-Shaped Flask (250 ML)


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The Pear-Shaped flask system is designed to allow scientists to perform safe, productive heating and stirring experiments with the flask, commonly used with rotatory evaporators.

The flask is mainly used for evaporating solutions to dryness after synthesis using a rotatory evaporator. The rounded V shape of the flask enables the solid materials to be scraped out more efficiently than from a round bottomed flask.

It provides excellent heating and stirring performance without the inherent potential risks and mess of an oil bath. The world-renowned system enables laboratory scientists to work in a safer, cleaner, and more efficient way.

Removing messy and potentially hazardous oil baths from your laboratory setup without the necessity to change your chemistry benefits the environment on a larger scale as well as your direct environment.

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  • Made of Borosilicate glass for chemical resistance and thermal performance.
  • Its pear-shaped design allows distillation down to small quantities that reduce losses from thermal decomposition.
  • Ideal for semi-micro distillations.
  • Excellent heating performance, but without the inherent risk and mess of an oil bath.
  • Its heating blocks help laboratory scientists create a safer, cleaner, and more efficient working environment.
  • Available in the size of 250ml.


  • Examine the pear-shaped flask to ensure that it is in good condition.
  • Never use chipped, scratched, or cracked pear-shaped flask.
  • Wash the flask promptly after using to avoid hard dried residues.
  • Do not use badly worn cleaning brushes and where the metal spine can scratch the glass.

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1 Unit, 2 Units, 4 Units, 5 Units, 6 Units, 10 Units, 12 Units


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