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282960

Sigma-Aldrich

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
Beilstein:
3919222
EC Number:
203-387-6
MDL number:
MFCD00010310
UNSPSC Code:
12352100
PubChem Substance ID:
24857079
NACRES:
NA.22

Assay

97%

form

powder

composition

Carbon, 63.7-68.4%

mp

167-172 °C (lit.)

SMILES string

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

InChI

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

InChI key

BDJXVNRFAQSMAA-UHFFFAOYSA-N

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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.

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.

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Statements

H301,H400

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1

Storage Class Code

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

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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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)
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)
p-Benzosemiquinone radical anion on silver nanoparticles in water.
Tripathi G N R
Journal of the American Chemical Society, 125(5), 1178-1179 (2003)
F M Attia
Farmaco (Societa chimica italiana : 1989), 55(11-12), 659-664 (2001-02-24)
Three simple and selective methods are proposed for the determination of nortriptyline hydrochloride in bulk form and in tablets. The first two methods are based on the formation of charge-transfer complexes between the drug base as a n-donor and quinhydrone
Aldo Bruccoleri
AIDS research and human retroviruses, 29(1), 4-12 (2012-09-04)
Drug resistance is a key cause of failed treatment of HIV infection. The efficacy of nonnucleoside reverse transcriptase-inhibiting (NNRTI) drugs is impaired by the rapid emergence of drug-resistant mutations. The literature supports the idea that purposefully designed flexible NNRTIs at
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