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Merck
CN

282960

Quinhydrone

97%

Synonym(s):

Hydroquinone: benzoquinone 1:1 complex

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About This Item

Linear Formula:
C6H4(OH)2 · C6H4O2
CAS Number:
106-34-3
Molecular Weight:
218.21
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24857079
EC Number:
203-387-6
Beilstein/REAXYS Number:
3919222
MDL number:
MFCD00010310
Assay:
97%
Form:
powder

Key Documents

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Product Name

Quinhydrone, 97%

InChI key

BDJXVNRFAQSMAA-UHFFFAOYSA-N

InChI

1S/C6H6O2.C6H4O2/c2*7-5-1-2-6(8)4-3-5/h1-4,7-8H;1-4H

SMILES string

Oc1ccc(O)cc1.O=C2C=CC(=O)C=C2

assay

97%

form

powder

composition

Carbon, 63.7-68.4%

mp

167-172 °C (lit.)

functional group

ketone

Quality Level

100

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Application

Quinhydrone is a general reagent used in potentiometric titrations. It can also be used as a π-acceptor in the formation of charge-transfer complex of analytes for spectrophotometric analysis.

General description

Quinhydrone/methanol treatment for the measurement of carrier lifetime in crystalline silicon substrates has been reported. Surface passivation of silicon substrates by quinhydrone/ethanol treatment has been investigated.

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

hcodes

H301,H400

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB5883
SDBB4517
STBL4802
STBL2422
STBL1959

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p-Benzosemiquinone radical anion on silver nanoparticles in water.
Tripathi G N R
Journal of the American Chemical Society, 125(5), 1178-1179 (2003)
Photoinduced electron transfer from porphyrin to C60 in a C60| porphyrin double-layer photoelectrochemical cell.
Takahashi K, et al.
Journal of Electroanalytical Chemistry, 426(1-2), 85-90 (1997)
Surface passivation effect of silicon substrates due to quinhydrone/ethanol treatment.
Takato H, et al.
Jpn J. App. Phys., Part I, 40(10A), L1003-L1003 (2001)
Luigi Falciola et al.
Annali di chimica, 92(10), 945-954 (2002-12-20)
The rationale for the extension of the rH-metric standardization and measurements to aqueous-organic solvent mixtures is here introduced, and examples of establishment of the ranges of conventional rH-metric scales as well as primary standards rHs in some typical aqueous-organic solvent
Cheng Zhao et al.
Journal of the American Society for Mass Spectrometry, 16(3), 409-416 (2005-03-01)
The influence of a number of redox reagents on the charge state distribution in nanoelectrospray mass spectrometry was examined using cytochrome c and ubiquitin. The redox active species investigated were: 1,4-benzoquinone, quinhydrone, tetracyanoquinodimethane (TCNQ), hydroquinone, and ascorbic acid. The redox
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