Pyrrolidine
Also known as: Tetrahydropyrrole, Tetramethyleneimine, Azacyclopentane, Azolidine, Azolan, Butylenimine, Perhydropyrrole, Prolamine, Pyrrolidin, Pyrrolidene, Tetrahydroazole, Pyrrolidinium, 1-Azacyclopentane, T5MTJ
Pyrrolidine (CAS 123-75-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H9N and a molecular weight of 71.121 g/mol. Key properties include a melting point of -63 °C, a boiling point of 89.5±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 2.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-75-1
- Jingsj CID
- J-1013835-9
- Molecular Formula
- C4H9N
- Molecular Weight
- 71.121 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -63 °C |
|---|---|
| Boiling Point | 89.5±8.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 2.8±0.0 °C |
| Exact Mass | 71.073502 |
| PSA | 12.03000 |
| LogP | 0.37 |
| Additional Property | 2.45 (vs air) |
| Vapor Pressure | 58.6±0.2 mmHg at 25°C |
| Refractive Index | 1.428 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Pyrrolidine?
The CAS number of Pyrrolidine is 123-75-1.
What are the molecular formula and molecular weight of Pyrrolidine?
Pyrrolidine has molecular formula C4H9N and molecular weight 71.121 g/mol.
Is Pyrrolidine hazardous?
Pyrrolidine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.
What are the upstream and downstream products of Pyrrolidine?
For Pyrrolidine, Upstream Products: Pyrrole, 4-Amino-1-butanol, 2-Pyrrolidinone; Downstream Products: 3-(Pyrrolidin-1-yl)-1,2,4-triazine, N-Benzylcyclohexylamine, 1-Benzylpyrrolidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrrolidine (CAS 123-75-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1013835-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.