4-Phenylpiperidine
Also known as: 4-Phenylpiperidine, Piperidine, 4-phenyl-, NSC 89743, MFCD00005957, EINECS 212-243-1
4-Phenylpiperidine (CAS 771-99-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H15N and a molecular weight of 161.243 g/mol. Key properties include a melting point of 61-65 °C(lit.), a boiling point of 259.9±29.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 113.0±19.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 771-99-3
- Jingsj CID
- J-15723-3
- Molecular Formula
- C11H15N
- Molecular Weight
- 161.243 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 61-65 °C(lit.) |
|---|---|
| Boiling Point | 259.9±29.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 113.0±19.7 °C |
| Exact Mass | 161.120453 |
| PSA | 12.03000 |
| LogP | 2.39 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.522 |
GHS Safety & Compliance
- 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 4-Phenylpiperidine?
The CAS number of 4-Phenylpiperidine is 771-99-3.
What are the molecular formula and molecular weight of 4-Phenylpiperidine?
4-Phenylpiperidine has molecular formula C11H15N and molecular weight 161.243 g/mol.
Is 4-Phenylpiperidine hazardous?
4-Phenylpiperidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Phenylpiperidine?
For 4-Phenylpiperidine, Upstream Products: 1-Benzyl-4-phenyl-1,2,3,6-tetrahydropyridine, tert-Butyl 4-phenylpiperidine-1-carboxylate, 4-phenyl-1,2,3,6-tetrahydropyridine hydrochloride; Downstream Products: 3-(4-Phenyl-1-piperidinyl)-1-propanol, 4-(4-Bromophenyl)piperidine, 4-(4-Nitrophenyl)piperidine.
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-Phenylpiperidine (CAS 771-99-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15723-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.