Distillation Safety Scenario: Handling a Cracked Round Bottom Flask
In this distillation safety scenario, you face a cracked round bottom flask leaking amine. Immediate actions involve unplugging the heat source, containing the material, turning on emergency exhaust, and alerting others to evacuate. Preventative measures such as checking for cracks, proper stirring, and avoiding overheating are crucial to avoid such incidents.
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Presentation Transcript
Distillation SAFETY SCENARIO SAFETY SCENARIO
Scenario You are distilling a large volume of an amine base in your hood when the round bottom flask cracks at the bottom and starts leaking. You begin smelling the amine. What should you do next?
Possible solutions Unplug and remove the heat source. Try to contain the material. Turn on emergency exhaust and close the hood sashes. Turn off vacuum and move reactive chemicals from the immediate area. Alert people to evacuate the area and block off the entrance. Use a sign like the JST s provided Chemical Spill: Do Not Enter sign. If the spill is large contact EHS to clean up the spill and refer to the (M)SDS sheet for proper cleanup, neutralization, disposal and exposure responses as needed.
Preventative measures Check round bottoms for star cracks before using especially when heating or under vacuum/pressure. Ensure proper stirring and keep flask from touching the bottom of the bath to prevent overheating at a single spot. Do not boil to dryness.
