Making the stinkiest chemical known to man

Summary by Krater

NileRed attempts to synthesize thioacetone, considered the world's worst-smelling chemical, by making trithioacetone and cracking it with heat, and tests its infamous odor on an isolated island.

From the video

Answers: How do you make thioacetone and what does it actually smell like?

• Thioacetone synthesis
• Trithioacetone preparation
• Hydrogen sulfide generation
• Steam distillation chemistry
• Odor testing in the field

Ingredients

• 15 mL acetone
• concentrated hydrochloric acid
• iron metallic powder
• sulfur
• sodium hydroxide
• calcium chloride
• 30 mL water

What it concludes

• Trithioacetone can be successfully synthesized from acetone and hydrogen sulfide using hydrochloric acid as a catalyst.
• Cracking trithioacetone yields thioacetone, which forms beautiful white crystals below -20 °C.
• Thioacetone in pure form has a potent and offensive sulfurous odor described as rotting garbage and sewage rather than instantly incapacitating whole towns.