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Chemical Name: Pyrrolidine. Synonyms: Tetrahydro pyrrole, Azolidine, Tetrahydropyrrole. CAS Number: 123-75-1. Molecular Formula: C4H9N
Molecular Weight: 71.12 g/mol. Appearance: Clear, colorless to pale yellow liquid. Odor: Strong, ammonia-like. Boiling Point: 87–89°C (189–192°F). Melting Point: -60°C (-76°F). Density: 0.86 g/cm³ at 20°C.