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Key Documents

8.22333

Sigma-Aldrich

Hydroquinone

for synthesis

Sinónimos:

Hydroquinone, 1,4-Dihydroxybenzene, Quinol

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About This Item

Fórmula lineal:
C6H4(OH)2
Número de CAS:
123-31-9
Peso molecular:
110.11
MDL number:
MFCD00002339
UNSPSC Code:
12352104
EC Index Number:
204-617-8
NACRES:
NA.22

vapor pressure

<0.1 hPa ( 25 °C)

Quality Level

200

assay

≥99.5% (GC)

form

solid

autoignition temp.

515 °C

potency

302 mg/kg LD50, oral (Rat)

reaction suitability

reagent type: reductant

bp

287 °C/1013 hPa

mp

172 °C (decomposition)

transition temp

flash point 165 °C

solubility

70 g/L

density

1.358 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

2-30°C

InChI

1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H

InChI key

QIGBRXMKCJKVMJ-UHFFFAOYSA-N

Application

Hydroquinone can be used as a reducing agent:
  • To synthesize metal nanoparticles by reduction of metal salt precursors.
  • For the reduction of aryldiazonium salt intermediates to aromatic compounds.
  • In combination with ethylenediaminetetraacetic acid (EDTA) to prepare urchin-like gold nanoparticles via a one-pot seedless growth process.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

329.0 °F - closed cup

flash_point_c

165 °C - closed cup

Certificados de análisis (COA)

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Stuart T Gentry et al.
Langmuir : the ACS journal of surfaces and colloids, 25(5), 2613-2621 (2009-05-14)
Hydroquinone (HQ) was used as the principal chemical reducing agent to prepare aqueous silver nanocolloids from silver nitrate. The data demonstrate that HQ is unable to initiate the particle growth process on its own, but is able to sustain particle
Facile synthesis of urchin-like gold nanoparticles using binary reducing agent composed of EDTA and hydroquinone
Nhat Hang NT and Phuong Phong NT
Vietnam Journal of Chemistry, 56(6), 667-671 (2018)
Hydroquinone as a reducing agent for conversion of aryldiazonium salts into arenes
McDonald RN and Richmond JM
Journal of the Chemical Society. Chemical Communications, (17), 605-606 (1973)
The formation of gold nanoparticles using hydroquinone as a reducing agent through a localized pH change upon addition of NaOH to a solution of HAuCl4
Mechler A, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 370(1-3), 35-41 (2010)

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