Making an old hypnotic sedative and preservative - Summary

Summary

The video discusses chlorobutanol, a chemical with antimicrobial properties that can kill bacteria and fungi. However, its use is limited due to its instability at room temperature and toxicity to humans. The creator synthesizes chlorobutanol using acetone, chloroform, and potassium hydroxide, then tests its antimicrobial properties by applying it to agar petri dishes infected with bacteria. The results show that the chlorobutanol effectively sterilizes the plate, preventing growth. The creator notes that while the test was not ideal, the results suggest that chlorobutanol has antimicrobial properties.

Facts

Here are the key facts from the text:

1. Chlorobutanol has strong antimicrobial properties, effective against both bacteria and fungus.
2. Chlorobutanol is commonly found as a preservative in eyedrops and as an active ingredient in some mouthwashes.
3. Chlorobutanol degrades over long-term storage and is not stable at room temperature.
4. If ingested, chlorobutanol has a strong sedative effect but is also toxic to the liver and can cause other side effects.
5. Chlorobutanol was used as a drug in the past but has been replaced by safer alternatives.
6. Chloral hydrate is a related chemical to chlorobutanol, also a sedative, but less toxic to the liver.
7. Chlorobutanol interferes with and destabilizes cell membranes, leading to the rupturing of the cell and the death of the microbe.
8. Chlorobutanol is damaging to animal cells, including human cells, but is tolerated when used externally in low concentrations.
9. Chlorobutanol can be synthesized using acetone, chloroform, and potassium or sodium hydroxide.
10. The synthesis of chlorobutanol involves a base-catalyzed reaction between acetone and chloroform.
11. The melting point of chlorobutanol is around 95 °C.
12. Chlorobutanol can be recrystallized using a mixture of ethanol and water.
13. Chlorobutanol has a high vapor pressure and can sublimate away.
14. The yield of chlorobutanol in the synthesis process can be low due to loss during vacuum desiccation.
15. Chlorobutanol can be used to test its antimicrobial properties using agar petri dishes.
16. Chlorobutanol can completely sterilize a plate, preventing microbial growth.