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135585

Sigma-Aldrich

4-Chlorobenzoic acid

99%

Synonym(s):

4-CBA, p-Chlorobenzoic acid

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About This Item

Linear Formula:
ClC6H4CO2H
CAS Number:
Molecular Weight:
156.57
Beilstein:
907196
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

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. It is degraded by Acinetobacter sp. strain ST-1 and causes its dehalogenation to yield 4-hydroxybenzoic acid under both aerobic and anaerobic conditions.

Application

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

460.4 °F - closed cup

Flash Point(C)

238 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Mariana Lanzarini-Lopes et al.
Chemosphere, 188, 304-311 (2017-09-10)
Electrochemical oxidation (EO) is an advanced oxidation process for water treatment to mineralize organic contaminants. While proven to degrade a range of emerging pollutants in water, less attention has been given to quantify the effect of operational variables such applied
Synthesis and crystal structure of a mixed-ligand compound di-n-butyl (4-chlorobenzoxy)(4-chlorobenzohydroxamato) tin (IV)
Shang X, et al.
Journal of Organometallic Chemistry, 690(17), 3997-4000 (2005)
The Synthesis, characterization and comparative anticorrosion study of some organotin (IV) 4-chlorobenzoates
Kurniasih H, et al.
Orient. J. Chem., 31(4), 2377-2383 (2015)
S M Lindenauer et al.
Biomedical engineering, 11(9), 301-306 (1976-09-01)
Knitted Dacron cloth fabricated into tubes has gained widespread acceptance as an arterial prosthesis. Continued research and development in the field of vascular prostheses is required because existing materials are not ideal. This paper relates general developments in vascular prosthesis
Kikuo Kobayashi et al.
The Journal of general and applied microbiology, 43(2), 105-108 (1997-04-01)
Acinetobacter sp. strain ST-1, isolated from garden soil, can mineralize 4-chlorobenzoic acid (4-CBA). The bacterium degrades 4-CBA, starting with dehalogenation to yield 4-hydroxybenzoic acid (4-HBA) under both aerobic and anaerobic conditions, suggesting that the dehalogenating enzyme in the strain is

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