Dapoxetine hydrochloride

盐酸达泊西汀

Also known as: Priligy, (S)-N,N-Dimethyl-3-(1-naphthyloxy)-1-phenylpropylamine hydrochloride, (S)-N,N-Dimethyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine hydrochloride, (S)-N,N-Dimethyl-α-[2-(1-naphthyloxy)ethyl]benzylamine hydrochloride, LY-210448 hydrochloride, (1S)-N,N-Dimethyl-3-(1-naphthyloxy)-1-phenyl-1-propanamine hydrochloride, Benzenemethanamine, N,N-dimethyl-α-[2-(1-naphthalenyloxy)ethyl]-, (αS)-, hydrochloride (1:1)

Dapoxetine hydrochloride (CAS 129938-20-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H24ClNO and a molecular weight of 341.874 g/mol. It is also known as Priligy, (S)-N,N-Dimethyl-3-(1-naphthyloxy)-1-phenylpropylamine hydrochloride and (S)-N,N-Dimethyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine hydrochloride. Key properties include a melting point of 175-179ºC, a boiling point of 454.4ºC at 760 mmHg and a flash point of 132.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H319 — Causes serious eye irritation and H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
129938-20-1
Jingsj CID
J-1963345-1
Molecular Formula
C21H24ClNO
Chinese Name
盐酸达泊西汀
Molecular Weight
341.874 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point175-179ºC
Boiling Point454.4ºC at 760 mmHg
Flash Point132.6ºC
Exact Mass341.154633
PSA12.47000
LogP5.71360
Vapor Pressure1.27E-09mmHg at 25°C
Storage Conditions-20°C Freezer

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation
  • H413

Activity & Biological Data

Additional Information[1]. McMahon CG. Dapoxetine: a new option in the medical management of premature ejaculation. Ther Adv Urol. 2012 Oct;4(5):233-51. [2]. Dapoxetine, From Wikipedia, the free encyclopedia

Customs & Trade Information

HS Code2922199090
Summary2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dapoxetine hydrochloride?

The CAS number of Dapoxetine hydrochloride is 129938-20-1.

What are the molecular formula and molecular weight of Dapoxetine hydrochloride?

Dapoxetine hydrochloride has molecular formula C21H24ClNO and molecular weight 341.874 g/mol.

Is Dapoxetine hydrochloride hazardous?

Dapoxetine hydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation; H413.

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

Last updated:

How to cite: Jingsj. "Dapoxetine hydrochloride (CAS 129938-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963345-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.