Diphenylpyraline
Also known as: 4-(diphenylmethoxy)-1-methylpiperidine, 4-benzhydryloxy-1-methylpiperidine, 4-Diphenylmethoxy-1-methyl-piperidin, 4-benzhydryloxy-1-methyl-piperidine, Allergen, Belfene, Dayfen, Hispril, Histyn, Hystryl, Lergobine, Lyssipoll, Mepiben, N-methyl-4-(diphenylmethoxy)piperidine, Neargal, P-253, benzhydryl 1-methyl-4-piperidyl ether
Diphenylpyraline (CAS 147-20-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H23NO and a molecular weight of 281.39200 g/mol. Key properties include a boiling point of 378.7ºC at 760 mmHg, a density of 1.08 g/cm3 and a flash point of 111.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 147-20-6
- Jingsj CID
- J-38815-8
- Molecular Formula
- C19H23NO
- Molecular Weight
- 281.39200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 378.7ºC at 760 mmHg |
|---|---|
| Density | 1.08 g/cm3 |
| Flash Point | 111.6ºC |
| Exact Mass | 281.17800 |
| PSA | 12.47000 |
| LogP | 3.82470 |
| Vapor Pressure | 6.18E-06mmHg at 25°C |
| Refractive Index | 1.587 |
Activity & Biological Data
| Target | H1 Receptor |
|---|---|
| Additional Information | [1]. Erik B Oleson, et al. Effects of the histamine H₁ receptor antagonist and benztropine analog diphenylpyraline on dopamine uptake, locomotion and reward. [2]. Gennady B Lapa, et al. Diphenylpyraline, a histamine H1 receptor antagonist, has psychostimulant properties. |
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 Diphenylpyraline?
The CAS number of Diphenylpyraline is 147-20-6.
What are the molecular formula and molecular weight of Diphenylpyraline?
Diphenylpyraline has molecular formula C19H23NO and molecular weight 281.39200 g/mol.
What are the upstream and downstream products of Diphenylpyraline?
For Diphenylpyraline, Upstream Products: 4-Hydroxy-1-methylpiperidine, Bromodiphenylmethane, Chlorodiphenylmethane; Downstream Products: 4-(Diphenylmethoxy)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. "Diphenylpyraline (CAS 147-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38815-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.