Tamsulosin hydrochloride

Also known as: Tamsulosin HCl, Flomax, YM-617, YM 12617-1, HARNAL, OMNIC, PRADIF, Yutana, Yutanal, (R)-5-[2-[[2-(2-Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide hydrochloride, 5-[(2R)-2-[[2-(2-Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide hydrochloride, (-)-LY 253352, UNII-11SV1951MR

Tamsulosin hydrochloride (CAS 106463-17-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H29ClN2O5S and a molecular weight of 444.973 g/mol. Key properties include a melting point of 228-230ºC, a boiling point of 595.5ºC at 760 mmHg and a flash point of 313.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 106463-17-6
Jingsj CID: J-1972478-8
Molecular Formula: C₂₀H₂₉ClN₂O₅S
Molecular Weight: 444.973 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	228-230ºC
Boiling Point	595.5ºC at 760 mmHg
Flash Point	313.9ºC
Exact Mass	444.148560
PSA	108.26000
LogP	4.51290
Vapor Pressure	3.79E-14mmHg at 25°C
Storage Conditions	Desiccate at RT

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Jeong, I.G., et al., Impact of tamsulosin on urinary retention following early catheter removal after robot-assisted laparoscopic radical prostatectomy: a prospective randomized controlled trial. Int J Urol, 2014. 21(2): p. 164-8. [2]. Lucas, M.G., T.P. Stephenson, and V. Nargund, Tamsulosin in the management of patients in acute urinary retention from benign prostatic hyperplasia. BJU Int, 2005. 95(3): p. 354-7.

Additional Information

[1]. Jeong, I.G., et al., Impact of tamsulosin on urinary retention following early catheter removal after robot-assisted laparoscopic radical prostatectomy: a prospective randomized controlled trial. Int J Urol, 2014. 21(2): p. 164-8. [2]. Lucas, M.G., T.P. Stephenson, and V. Nargund, Tamsulosin in the management of patients in acute urinary retention from benign prostatic hyperplasia. BJU Int, 2005. 95(3): p. 354-7.

Frequently Asked Questions

What is the CAS number of Tamsulosin hydrochloride?

The CAS number of Tamsulosin hydrochloride is 106463-17-6.

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

Tamsulosin hydrochloride has molecular formula C20H29ClN2O5S and molecular weight 444.973 g/mol.

Is Tamsulosin hydrochloride hazardous?

Tamsulosin hydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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. "Tamsulosin hydrochloride (CAS 106463-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972478-8 (accessed 2026-11-07).

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