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Sigma-Aldrich

8-Hydroxy-2-quinolinecarboxaldehyde

≥98.0% (GC)

Synonym(s):

2-Formyl-8-hydroxyquinoline, 2-Formyl-8-quinolinol, 8-Hydroxyquinoline-2-aldehyde

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About This Item

Empirical Formula (Hill Notation):
C10H7NO2
CAS Number:
Molecular Weight:
173.17
Beilstein:
127519
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

≥98.0% (GC)

form

solid

mp

97-100 °C

SMILES string

Oc1cccc2ccc(C=O)nc12

InChI

1S/C10H7NO2/c12-6-8-5-4-7-2-1-3-9(13)10(7)11-8/h1-6,13H

InChI key

SLBPIHCMXPQAIQ-UHFFFAOYSA-N

General description

8-Hydroxy-2-quinolinecarboxaldehyde can be prepared from 2-methylquinolin-8-ol via oxidation using selenium dioxide.

Application

8-Hydroxy-2-quinolinecarboxaldehyde (8-hydroxyquinoline-2-carbaldehyde) may be used in the preparation of:
  • 8-hydroxy-2-quinoline-1-aminopyrene by Schiff-base reaction with 1-aminopyrene
  • (E)-2-((2-(pyridin-2-yl)hydrazono)methyl)quinolin-8-ol by coupling with 2-hydrazinopyridine
  • 8-hydroxyquinoline-2-carbaldehyde oxime
  • 2-[(8-Hydroxyquinoline)-2-methylaminoethyl]-β-D-glucopyranoside

Other Notes

Building block for the synthesis of complexing agents

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A turn-on Schiff-base fluorescence sensor for Mg 2+ ion and its practical application.
Kao MH, et al.
Journal of Luminescence, 169, 156-160 (2016)
S-shaped decanuclear heterometallic [Ni8Ln2] complexes [Ln (iii)= Gd, Tb, Dy and Ho]: theoretical modeling of the magnetic properties of the gadolinium analogue.
Hossain S, et al.
Dalton Transactions, 43(26), 10164-10174 (2014)
Ayaan Saleem et al.
Dalton transactions (Cambridge, England : 2003), 47(17), 6156-6165 (2018-04-19)
One-pot reaction between 8-hydroxyquinoline-2-carboxaldehyde (HQC) and tris(hydroxymethyl)aminomethane (TRIS) followed by in situ cyclization yielded an oxazolidine based ligand which produced four mononuclear complexes of MnII(1), CoII(2), NiII(3), ZnII(4), a tetranuclear iron (FeIII4) complex (5) and a trinuclear cobalt (CoIICoIII2) complex
S. Sugata et al.
Chemical & Pharmaceutical Bulletin, 35, 2623-2623 (1987)
T. Hata et al.
Bulletin of the Chemical Society of Japan, 45, 477-477 (1972)

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