4-Anilino-1-benzylpiperidine

Also known as: 1-Benzyl-4-anilinopiperidine, 1-Benzyl-N-phenylpiperidin-4-amine, N-(1-Benzyl-4-piperidinyl)benzenamine, N-Phenyl-1-(phenylmethyl)-4-piperidinamine, 4-Piperidinamine, N-phenyl-1-(phenylmethyl)-, NSC 76613, Fentanyl Related Compound D

4-Anilino-1-benzylpiperidine (CAS 1155-56-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H22N2 and a molecular weight of 266.381 g/mol. Key properties include a melting point of 283-285 °C (dec.)(lit.), a boiling point of 404.6±38.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 158.5±17.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1155-56-2
Jingsj CID: J-23501-8
Molecular Formula: C₁₈H₂₂N₂
Molecular Weight: 266.381 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	283-285 °C (dec.)(lit.)
Boiling Point	404.6±38.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	158.5±17.7 °C
Exact Mass	266.178314
PSA	15.27000
LogP	3.40
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.624

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-Anilino-1-benzylpiperidine?

The CAS number of 4-Anilino-1-benzylpiperidine is 1155-56-2.

What are the molecular formula and molecular weight of 4-Anilino-1-benzylpiperidine?

4-Anilino-1-benzylpiperidine has molecular formula C18H22N2 and molecular weight 266.381 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Anilino-1-benzylpiperidine (CAS 1155-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23501-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.