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D116408

Sigma-Aldrich

2,7-Dihydroxynaphthalene

97%

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Synonym(s):
2,7-Naphthalenediol
Linear Formula:
C10H6(OH)2
CAS Number:
Molecular Weight:
160.17
Beilstein/REAXYS Number:
2042383
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

97%

form

powder

mp

185-190 °C (lit.)

SMILES string

Oc1ccc2ccc(O)cc2c1

InChI

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

InChI key

DFQICHCWIIJABH-UHFFFAOYSA-N

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1 of 4

This Item
2741278.20851275603
vibrant-m

D116408

2,7-Dihydroxynaphthalene

vibrant-m

274127

1,6-Dihydroxynaphthalene

vibrant-m

8.20851

2,7-Naphthalenediol

vibrant-m

275603

2,6-Dihydroxynaphthalene

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

form

powder

form

-

form

powder

form

solid

mp

185-190 °C (lit.)

mp

130-133 °C (lit.)

mp

184-187 °C

mp

223-225 °C (lit.)

General description

2,7-Dihydroxynaphthalene is a organic building block used to prepare sulfonic acids, divinylnaphthalenes, dyes, pigments, and fluorescent whiteners.

Application

Starting material for the synthesis of sulfonic acids and divinylnaphthalenes.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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The absorption spectra of mono- and bis-azo-derivatives obtained by coupling the diazonium salts of aromatic amines and 2,7-dihydroxynaphthalene have been studied in six organic solvents. The different absorption bands have been assigned and the effect of solvents on the charge
C R Bloom et al.
Biochemistry, 36(42), 12746-12758 (1997-10-23)
The binding of phenolic ligands to the insulin hexamer occurs as a cooperative allosteric process. Investigations of the allosteric mechanism from this laboratory resulted in the postulation of a model consisting of a three-state conformational equilibrium and the derivation of
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Allergic contact dermatitis from 2,7-dihydroxynaphthalene in hair dye.
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