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Merck
CN

T4264

Tetrahydrozoline hydrochloride

≥98% (HPLC)

Synonym(s):

4,5-Dihydro-2-(1,2,3,4-tetrahydro-1-naphthalenyl)-1H-imidazole monohydrochloride, Tetryzoline hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C13H16N2 · HCl
CAS Number:
Molecular Weight:
236.74
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
EC Number:
208-329-3
MDL number:
Assay:
≥98% (HPLC)
Quality level:
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Quality Level

assay

≥98% (HPLC)

solubility

H2O: freely soluble, alcohol: freely soluble, chloroform: very slightly soluble, diethyl ether: insoluble

originator

Novartis

SMILES string

Cl.C1CC(C2=NCCN2)c3ccccc3C1

InChI

1S/C13H16N2.ClH/c1-2-6-11-10(4-1)5-3-7-12(11)13-14-8-9-15-13;/h1-2,4,6,12H,3,5,7-9H2,(H,14,15);1H

InChI key

BJORNXNYWNIWEY-UHFFFAOYSA-N

Biochem/physiol Actions

Tetrahydrozoline is an α-adrenergic agonist and an imidazoline derivative. It plays a crucial role in the constriction of conjunctival blood vessels. Tetrahydrozoline is a common component of nasal and eye drop formulations.

Features and Benefits

This compound was developed by Novartis. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.


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pictograms

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signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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R R Ruffolo et al.
British journal of pharmacology, 77(1), 169-176 (1982-09-01)
1 Noradrenaline and a series of imidazolines were used to characterized and differentiate the postsynaptic alpha-adrenoceptors of rat and rabbit aortae. 2 Dose-response curves in each tissue revealed marked differences in the profile of agonist activity among the compounds. Based
Jennifer A Lowry et al.
Clinical toxicology (Philadelphia, Pa.), 49(5), 434-435 (2011-07-12)
Major symptoms can occur from tetrahydrozoline (THZ) overdoses in young children, requiring intensive care management. We report three cases that presented with CNS depression and cardiovascular effects where serum concentrations were performed. Case 1 ingested an unknown amount of eye
P J Rice et al.
The Journal of pharmacology and experimental therapeutics, 259(3), 1182-1187 (1991-12-01)
Repeated exposure of the rat vas deferens to the imidazoline oxymetazoline (OXY) results in a progressive loss of response which can appear selective for imidazoline agonists. The present study tests the hypothesis that imidazolines produce desensitization through prolonged blockade or



Global Trade Item Number

SKUGTIN
T4264-1G04061825983776
T4264-10G04061832094021