2-methyl-8-hydroxyquinoline, CAS No. 826-81-3

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826-81-3

Catalog No. EBD37272

CAS 826-81-3

Name 2-methyl-8-hydroxyquinoline

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Basic Information

Synonyms: 2-methyl-8-hydroxy-quinoline 2-methyl-8-hydroxyquinoline 8-Hydroxyquinaldine 2-Methyl-8-quinolinol Hydroxyquinaldine,99% 8-Hydroxyquinaldine~2-Methyl-8-quinolinol 4-Hydroxy-3-quinolinecarboxylicacid 2-methylquinolin-8-ol

Molecular Formula: C10H9NO

Molecular Weight: 159.18

MDL Number: MFCD00006765

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors

Product Description:

8-Hydroxyquinaldine is an organic compound featuring a quinoline core substituted with a methyl group at the 2-position and a hydroxyl group at the 8-position. This structure imparts both chelating and fluorescent properties. Its primary and most significant application is in the field of materials science, particularly as a key precursor for the synthesis of metal chelates used in organic light-emitting diodes (OLEDs). It is a fundamental building block for tris(8-hydroxyquinoline)aluminum (Alq3), a classic and widely studied green electroluminescent material and electron-transport layer in OLED devices. The compound acts as a bidentate ligand, efficiently coordinating with various metal ions to form complexes with tailored photophysical properties. Beyond its role in optoelectronics, 8-hydroxyquinaldine serves as a versatile synthetic intermediate in organic chemistry due to its reactive hydroxyl and heterocyclic amine functionalities. It is used in the preparation of other functionalized quinolines and as a ligand in catalytic systems. It also finds use as an analytical reagent for the spectrophotometric determination of metal ions like aluminum and magnesium.

Physical Properties

Melting Point: 71-73 °C(lit.)

Boiling Point: 267 °C(lit.)

Flash Point: 139 °C

Density: 1.21 g/cm3

Solubility: insoluble

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077

Analytical Data

Appearance: beige to brown crystalline powder