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135585

Sigma-Aldrich

4-Chlorobenzoic acid

99%

Synonym(s):

4-CBA, p-Chlorobenzoic acid

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50 G
$43.40
250 G
$85.90

About This Item

Linear Formula:
ClC6H4CO2H
CAS Number:
Molecular Weight:
156.57
Beilstein/REAXYS Number:
907196
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
form:
powder
assay:
99%

$43.40


In StockDetails


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Quality Level

assay

99%

form

powder

mp

238-241 °C (lit.)

solubility

methanol: soluble 1%, clear, colorless to faintly yellow

functional group

carboxylic acid
chloro

SMILES string

OC(=O)c1ccc(Cl)cc1

InChI

1S/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)

InChI key

XRHGYUZYPHTUJZ-UHFFFAOYSA-N

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General description

4-Chlorobenzoic acid is a degradation product of indomethacin[1]. It is degraded by Acinetobacter sp. strain ST-1 and causes its dehalogenation to yield 4-hydroxybenzoic acid under both aerobic and anaerobic conditions[2].

Application

4-Chlorobenzoic acid can be used:
  • As a ligand to synthesize luminescent lanthanide complexes for bio-labeling or fiber communication applications.[3]
  • To prepare organotin(IV) chlorobenzoates exhibiting anticorrosion properties.[4]
  • As a ligand to synthesize di-n-butyl(4-chlorobenzoxy)(4-chlorobenzohydroxamato)tin(IV).[5]

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

460.4 °F - closed cup

flash_point_c

238 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Ruiyang Xiao et al.
Environmental pollution (Barking, Essex : 1987), 257, 113498-113498 (2019-11-26)
Carbamazepine (CBZ), a widely detected pharmaceutical in wastewaters, cannot currently be treated by conventional activated sludge technologies, as it is highly resistant to biodegradation. In this study, the degradation kinetics and reaction mechanisms of CBZ by hydroxyl radical (OH) and
Q Q Cai et al.
Water research, 183, 116119-116119 (2020-07-15)
Fluidized bed reactor Fenton (FBR-Fenton) process was adopted for reverse osmosis concentrate (ROC) treatment with three types of carriers, including sand, zeolite and granular activated carbon (GAC). Adsorption studies demonstrated that GAC achieved the best adsorption performance (maximum COD removal
Heather O'Neal Tugaoen et al.
The Science of the total environment, 613-614, 1331-1338 (2017-10-04)
A key barrier to implementing photocatalysis is delivering light to photocatalysts that are in contact with aqueous pollutants. Slurry photocatalyst systems suffer from poor light penetration and require post-treatment to separate the catalyst. The alternative is to deposit photocatalysts on
Aliyeh Hasanzadeh et al.
Scientific reports, 9(1), 13780-13780 (2019-09-26)
Nanocarbon materials are considered to be active for electrochemical oxygen reduction reaction (ORR) for hydrogen peroxide (H2O2) synthesis. In the present work, a new type of fullerene 60 (C60)-carbon nanotubes (CNTs) hybrid with covalently attached C60 onto outer surface of
Synthesis, structure and fluorescence of Er (III) complexes with benzoic acid and 4-chlorobenzoic acid
Luo X, et al.
Inorganica chimica acta, 446, 169-175 (2016)

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