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Sigma-Aldrich

4-Chlorbenzoesäure

99%

Synonym(e):

4-CBA, p-Chlorobenzoic acid

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About This Item

Lineare Formel:
ClC6H4CO2H
CAS-Nummer:
74-11-3
Molekulargewicht:
156.57
Beilstein:
907196
EG-Nummer:
200-805-9
MDL-Nummer:
MFCD00002531
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24848211
NACRES:
NA.22

Assay

99%

Form

powder

mp (Schmelzpunkt)

238-241 °C (lit.)

Löslichkeit

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

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)

InChIKey

XRHGYUZYPHTUJZ-UHFFFAOYSA-N

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Allgemeine Beschreibung

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.

Anwendung

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).

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

H-Sätze

H302

Gefahreneinstufungen

Acute Tox. 4 Oral

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 2

Flammpunkt (°F)

460.4 °F - closed cup

Flammpunkt (°C)

238 °C - closed cup

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

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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
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
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