@Siobhán What is triphosgene used for, what does it do?

Question: @Siobhán What is triphosgene used for, what does it do?
- Keywords:
  chemistry,
  research,
  triphosgene
Asked by anon-40902 to Siobhán on 16 Nov 2022.
- Siobhán O'Flaherty answered on 16 Nov 2022:
  
  Triphosgene is a reagent I use in a particular reaction. It allows me to change and OH (alcohol) to a Cl (chlorine). Even a small amount of it mishandled can be dangerous.

Question: @Siobhán What is triphosgene used for, what does it do?