4-Aminopyridine
Also known as: 4-AP, 4-Pyridinamine, 4-Pyridylamine, 4-pyridinylamine, 4-amino-pyridine, 4-pyridyl-amine, p-Aminopyridine, p-amino pyridine, gamma-Aminopyridine, Avitrol, Fampridine, Dalfampridine, Ampyra, Neurelan, Pimadin, Pymadin, EL 970, Phillips 1861, Prc 1237, Pyridin-4-amine
4-Aminopyridine (CAS 504-24-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2 and a molecular weight of 94.115 g/mol. Key properties include a melting point of 157 °C, a boiling point of 192.7±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 70.3±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H300, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 504-24-5
- Jingsj CID
- J-45306-8
- Molecular Formula
- C5H6N2
- Molecular Weight
- 94.115 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157 °C |
|---|---|
| Boiling Point | 192.7±40.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 70.3±27.3 °C |
| Exact Mass | 94.053101 |
| PSA | 38.91000 |
| LogP | -2.24 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.569 |
GHS Safety & Compliance
- H300
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Sherratt, R.M., H. Bostock, and T.A. Sears, Effects of 4-aminopyridine on normal and demyelinated mammalian nerve fibres. Nature, 1980. 283(5747): p. 570-2. [2]. Bouchard, R. and D. Fedida, Closed- and open-state binding of 4-aminopyridine to the cloned human potassium channel Kv1.5. J Pharmacol Exp Ther, 1995. 275(2): p. 864-76. |
|---|
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 4-Aminopyridine?
The CAS number of 4-Aminopyridine is 504-24-5.
What are the molecular formula and molecular weight of 4-Aminopyridine?
4-Aminopyridine has molecular formula C5H6N2 and molecular weight 94.115 g/mol.
Is 4-Aminopyridine hazardous?
4-Aminopyridine has GHS signal word Danger and hazard statements H300; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Aminopyridine?
For 4-Aminopyridine, Upstream Products: 4-Nitropyridine N-oxide, 4-Aminopyridine 1-oxide, 4-Cyanopyridine; Downstream Products: 4-Ethoxypyridine, T0070907, 4-Amino-3,5-dinitropyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Aminopyridine (CAS 504-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45306-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.