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Xylometazoline hydrochloride

Also known as: 2-[[4-(1,1-dimethylethyl)-2,6-dimethylphenyl]methyl]-4,5-dihydro-1H-imidazole hydrochloride, 2-(4-tert-Butyl-2,6-dimethylbenzyl)-2-imidazoline hydrochloride, Otrivine hydrochloride, Novorin, Olynth, Galazolin, Neo-Synephrine II, Therapin, XYLOMETAZOLINE HCL, Xylometazoline HCl

Xylometazoline hydrochloride (CAS 1218-35-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H25ClN2 and a molecular weight of 280.836 g/mol. Key properties include a melting point of 131-133ºC, a boiling point of 394.2ºC at 760 mmHg and a flash point of 192.2ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1218-35-5
Jingsj CID
J-2110-4
Molecular Formula
C16H25ClN2
Molecular Weight
280.836 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point131-133ºC
Boiling Point394.2ºC at 760 mmHg
Flash Point192.2ºC
Exact Mass280.170624
PSA24.39000
LogP3.71150
Vapor Pressure4.56E-06mmHg at 25°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed

Activity & Biological Data

Additional Information[1]. Eccles, R., et al., The nasal decongestant effect of xylometazoline in the common cold. Am J Rhinol, 2008. 22(5): p. 491-6. [2]. Haenisch, B., et al., Alpha-adrenoceptor agonistic activity of oxymetazoline and xylometazoline. Fundam Clin Pharmacol, 2010. 24(6): p. 729-39.

Frequently Asked Questions

What is the CAS number of Xylometazoline hydrochloride?

The CAS number of Xylometazoline hydrochloride is 1218-35-5.

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

Xylometazoline hydrochloride has molecular formula C16H25ClN2 and molecular weight 280.836 g/mol.

Is Xylometazoline hydrochloride hazardous?

Xylometazoline hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

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

Last updated:

How to cite: Jingsj. "Xylometazoline hydrochloride (CAS 1218-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2110-4 (accessed 2026-11-06).

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