1-(4-Pyridyl)piperazine
1-(4-吡啶基)哌嗪
Also known as: 1-(Pyridin-4-yl)piperazine, 4-Piperazinopyridine, 1-(4-Pyridinyl)piperazine
1-(4-Pyridyl)piperazine (CAS 1008-91-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H13N3 and a molecular weight of 163.220 g/mol. It is also known as 1-(Pyridin-4-yl)piperazine, 4-Piperazinopyridine and 1-(4-Pyridinyl)piperazine. Key properties include a melting point of 137-141 °C, a boiling point of 314.4±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 143.9±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1008-91-9
- Jingsj CID
- J-17851-2
- Molecular Formula
- C9H13N3
- Chinese Name
- 1-(4-吡啶基)哌嗪
- Molecular Weight
- 163.220 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137-141 °C |
|---|---|
| Boiling Point | 314.4±22.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 143.9±22.3 °C |
| Exact Mass | 163.110947 |
| PSA | 28.16000 |
| LogP | 0.12 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.547 |
GHS Safety & Compliance
- 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 1-(4-Pyridyl)piperazine?
The CAS number of 1-(4-Pyridyl)piperazine is 1008-91-9.
What are the molecular formula and molecular weight of 1-(4-Pyridyl)piperazine?
1-(4-Pyridyl)piperazine has molecular formula C9H13N3 and molecular weight 163.220 g/mol.
Is 1-(4-Pyridyl)piperazine hazardous?
1-(4-Pyridyl)piperazine has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1-(4-Pyridyl)piperazine?
For 1-(4-Pyridyl)piperazine, Upstream Products: 1-Benzyl-4-(4-pyridinyl)piperazine, Piperazine, 4-chloropyridine; Downstream Products: 1-(2,6-dichloropyridin-4-yl)piperazine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(4-Pyridyl)piperazine (CAS 1008-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17851-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.