Skip to Content
Merck
All Photos(4)

Documents

185787

Sigma-Aldrich

4-Chlorophenol

≥99%

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
ClC6H4OH
CAS Number:
Molecular Weight:
128.56
Beilstein:
507004
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
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

Looking for similar products? Visit Product Comparison Guide

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.

Signal Word

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 Code

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

WGK

WGK 2

Flash Point(F)

249.8 °F - closed cup

Flash Point(C)

121 °C - closed cup

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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)
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)
Electrochemical dechlorination of 4-chlorophenol to phenol.
Cheng IF, et al.
Environmental Science & Technology, 31(4), 1074-1078 (1997)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service