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Key Documents

T4264

Sigma-Aldrich

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
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77

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

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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.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Igor Kopac et al.
The International journal of prosthodontics, 15(1), 14-19 (2002-03-13)
The aim of this in vivo study on dogs was to investigate and compare the inflammatory potential of four different retraction agents on the gingival connective tissue. All procedures on eight beagle dogs were performed under general anesthesia: taking oral
Luciano Giardino et al.
Journal of endodontics, 33(7), 852-855 (2007-09-07)
The aim of this study was to compare the antimicrobial efficacy of 5.25% NaOCl, BioPure MTAD (Dentsply Tulsa Dental, Johnson City, TN), and Tetraclean (Ogna Laboratori Farmaceutici, Milano, Italy) against Enterococcus faecalis biofilm generated on cellulose nitrate membrane filters. After
Engin Bilge Ozgurhan et al.
BioMed research international, 2013, 481843-481843 (2013-07-19)
To evaluate the effect of a fluorometholone/tetrahydrozoline fixed combination on conjunctival graft morphology after primary pterygium excision. The patients who underwent pterygium excision with conjunctival autograft transplantation were randomized into three groups based on postoperative medications as the fluorometholone/tetrahydrozoline group
Matthew E Stillwell et al.
Forensic science international, 221(1-3), e12-e16 (2012-05-05)
We report two cases of drug-facilitated sexual assault which presented with CNS depression rendering the victims vulnerable to sexual assault and unable to recall the events surrounding the crimes. In each tetrahydrozoline (THZ) was quantified. Case #1 ingested an unknown
Henry A Spiller et al.
Journal of forensic sciences, 57(3), 835-838 (2012-01-04)
Drug-facilitated sexual assault (DFSA) has been defined as the use of a chemical agent to facilitate a sexual assault. We report two cases of the use of tetrahydrozoline for DFSA. We believe this is the first report with urinary quantification

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