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Key Documents

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:
Molecular Weight:
218.21
Beilstein:
3919222
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

Signal Word

Danger

Hazard Statements

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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Customers Also Viewed

Quinhydrone/methanol treatment for the measurement of carrier lifetime in silicon substrates.
Takato H, et al.
Jpn J. App. Phys., Part I, 41(8A), L870-L870 (2002)
F D'Souza et al.
The Journal of organic chemistry, 66(13), 4601-4609 (2001-06-26)
Free-base and zinc(II) porphyrins bearing either one, two, or four hydroquinone entities at the meso positions are shown to bind quinones in solutions via a quinhydrone pairing mechanism. Electrochemical studies reveal that the quinhydrone complexes are stabilized by charge-transfer interactions
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)
[Not Available].
P MARQUARDT et al.
Zeitschrift fur die gesamte innere Medizin und ihre Grenzgebiete, 2(11-12), 333-346 (1947-06-01)

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