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37760

Sigma-Aldrich

2,3-Dihydroxynaphthalene

≥98.0% (HPLC)

Synonym(s):
2,3-Naphthalenediol
Linear Formula:
C10H6(OH)2
CAS Number:
Molecular Weight:
160.17
Beilstein:
742375
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98.0% (HPLC)

sublimation residue

≤1%

mp

161-165 °C (lit.)
162-164 °C

SMILES string

Oc1cc2ccccc2cc1O

InChI

1S/C10H8O2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6,11-12H

InChI key

JRNGUTKWMSBIBF-UHFFFAOYSA-N

Gene Information

human ... BAD(572)

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General description

2,3-Dihydroxynaphthalene is a polyhydroxy phenol. It is an aromatic dihydroxy compound having hydroxyl groups at ortho positions. Its reaction with molybdenum(VI) complexes has been reported. The asymmetric oxidative coupling polymerization of 2,3-dihydroxynaphthalene using the Cu(I)-bisoxazoline complex as catalyst has been reported to afford poly(2,3-dihydroxy-1,4-naphthylene), having a continuous 1,1′-bi-2-naphthol main chain structure. The nitrodisplacement reaction between nitrophthalodinitriles and 2,3-dihydroxynaphthalene has been investigated.

Application

2,3-Dihydroxynaphthalene may be used in the following studies:
  • Construction of dinaphtho[2,1-b;2′,3′-d]furan-6-ol, via dehydration reaction in the presence of strong acid.
  • As fused ring catecholate type ligand for the surface modification of nanocrystalline TiO2 particles.
  • As adsorptive and competing ligand during the chemical speciation of iron in seawater by cathodic stripping voltammetry.
  • Synthesis of cyclotriphosphazene derivatives, used as non-halogen flame retardants

Packaging

50, 250 g in poly bottle

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

347.0 °F

Flash Point(C)

175 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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