Pyrazolidine is a heterocyclic compound. It is a liquid that is stable in air, but it is hygroscopic.
Pyrazolidine is a heterocyclic compound. It is a liquid that is stable in air, but it is hygroscopic.
== Preparation== Pyrazolidine can be produced by cyclization of 1,3-dichloropropane or 1,3-dibromopropane with hydrazine:
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).