Nefopam hydrochloride
Also known as: Acupan, Ajan, Fenazoxine hydrochloride, R738, Nefopam HCl, Nefopam HCL, 3,4,5,6-Tetrahydro-5-methyl-1-phenyl-1H-2,5-benzoxazocine hydrochloride, 5-Methyl-1-phenyl-3,4,5,6-tetrahydro-1H-2,5-benzoxazocine hydrochloride, 1H-2,5-Benzoxazocine, 3,4,5,6-tetrahydro-5-methyl-1-phenyl-, hydrochloride, Benzoxazocine hydrochloride, Nafopan HCl
Nefopam hydrochloride (CAS 23327-57-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H20ClNO and a molecular weight of 289.800 g/mol. Key properties include a boiling point of 369.5ºC at 760mmHg, a density of 1.064g/cm3 and a flash point of 109ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23327-57-3
- Jingsj CID
- J-2164-7
- Molecular Formula
- C17H20ClNO
- Molecular Weight
- 289.800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 369.5ºC at 760mmHg |
|---|---|
| Density | 1.064g/cm3 |
| Flash Point | 109ºC |
| Exact Mass | 289.123352 |
| PSA | 12.47000 |
| LogP | 3.97790 |
| Vapor Pressure | 1.18E-05mmHg at 25°C |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Nefopam hydrochloride?
The CAS number of Nefopam hydrochloride is 23327-57-3.
What are the molecular formula and molecular weight of Nefopam hydrochloride?
Nefopam hydrochloride has molecular formula C17H20ClNO and molecular weight 289.800 g/mol.
Is Nefopam hydrochloride hazardous?
Nefopam hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of Nefopam hydrochloride?
For Nefopam hydrochloride, Downstream Products: Nefopam.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nefopam hydrochloride (CAS 23327-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2164-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.