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185787

Sigma-Aldrich

4-Chlorophenol

≥99%

Sinónimos:

4-Chlorophenol, 4-Hydroxychlorobenzene, p-Chlorophenic acid, p-Chlorophenol

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About This Item

Fórmula lineal:
ClC6H4OH
Número de CAS:
106-48-9
Peso molecular:
128.56
Beilstein/REAXYS Number:
507004
EC Number:
203-402-6
MDL number:
MFCD00002318
UNSPSC Code:
12352100
PubChem Substance ID:
24851180
NACRES:
NA.22

vapor pressure

1 mmHg ( 49.8 °C)

assay

≥99%

form

solid

impurities

<1.0% Phenol

bp

220 °C (lit.)

mp

42-45 °C

solubility

ethanol: soluble 50 mg/mL, clear to very slightly hazy, colorless to faintly brownish-yellow

density

1.306 g/mL at 25 °C (lit.)

SMILES string

Oc1ccc(Cl)cc1

InChI

1S/C6H5ClO/c7-5-1-3-6(8)4-2-5/h1-4,8H

InChI key

WXNZTHHGJRFXKQ-UHFFFAOYSA-N

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Categorías relacionadas

General description

4-Chlorophenol undergoes dechlorination to phenol rapidly on palladized graphite electrodes. Mechanism of 4-chlorophenol oxidation has been investigated by radiolytic and photocatalytic techniques.

Application

4-Chlorophenol was used:
  • As a substrate in the visible-light-induced degradation studies of phenolic compounds in an aqueous suspension of pure TiO2.
  • As a model chlorinated organic pollutant in the hydrodechlorination studies of phenols using palladium nanocrystal catalysts.
  • To prepare 4-chlorocatechol, hydroquinone, and benzoquinone via photo mineralization using Degussa P25 TiO2.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B

Storage Class

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

wgk_germany

WGK 2

flash_point_f

249.8 °F - closed cup

flash_point_c

121 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Sigma-Aldrich

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Radiolytic and TiO2-assisted photocatalytic degradation of 4-chlorophenol. A comparative study.
Stafford U, et al.
The Journal of Physical Chemistry, 98(25), 6343-6351 (1994)
Soonhyun Kim et al.
The journal of physical chemistry. B, 109(11), 5143-5149 (2006-07-26)
The visible-light-induced degradation reaction of 4-chlorophenol (4-CP) was investigated in aqueous suspension of pure TiO2. Contrary to common expectations, 4-CP could be degraded under visible illumination (lambda > 420 nm), generating chlorides and CO2 concomitantly. The observed visible reactivity was
Aqueous-phase hydrodechlorination of 4-chlorophenol on palladium nanocrystals: Identifying the catalytic sites and unraveling the reaction mechanism
Ding X, et al.
J. Catal., 368, 336-344 (2018)
Photomineralisation of 4-chlorophenol sensitised by TiO2 thin films
Mills A and Wang J
Journal of Photochemistry and Photobiology A: Chemistry, 118, 53-63 (1998)
Visible-light-induced photocatalytic degradation of 4-chlorophenol and phenolic compounds in aqueous suspension of pure titania: demonstrating the existence of a surface-complex-mediated path
Kim S and Choi W
The Journal of Physical Chemistry B, 109, 5143-5149 (2005)
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