3-Methylpiperidine
Also known as: 3-Pipecoline, β-Pipecoline, Hexahydro-3-picoline, 3-methyltetrahydropyridine, 3PPC, beta-Methylpiperidine, (±)-3-Methylpiperidine
3-Methylpiperidine (CAS 626-56-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H13N and a molecular weight of 99.174 g/mol. Key properties include a melting point of -24 °C, a boiling point of 129.6±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 7.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, 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.
- 626-56-2
- Jingsj CID
- J-1003194-4
- Molecular Formula
- C6H13N
- Molecular Weight
- 99.174 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -24 °C |
|---|---|
| Boiling Point | 129.6±8.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 7.2±0.0 °C |
| Exact Mass | 99.104797 |
| PSA | 12.03000 |
| LogP | 1.42 |
| Vapor Pressure | 10.1±0.2 mmHg at 25°C |
| Refractive Index | 1.422 |
| Additional Property | miscible |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 3-Methylpiperidine?
The CAS number of 3-Methylpiperidine is 626-56-2.
What are the molecular formula and molecular weight of 3-Methylpiperidine?
3-Methylpiperidine has molecular formula C6H13N and molecular weight 99.174 g/mol.
Is 3-Methylpiperidine hazardous?
3-Methylpiperidine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3-Methylpiperidine?
For 3-Methylpiperidine, Upstream Products: 2-Methylglutaronitrile, Diethylamine, Acrolein; Downstream Products: 3-methylpiperidin-2-one, 5-methylpiperidin-2-one, 4-Chloro-2-nitrophenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylpiperidine (CAS 626-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1003194-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.