135585
4-Chlorobenzoic acid
99%
Synonym(s):
4-CBA, p-Chlorobenzoic acid
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All Photos(3)
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
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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).
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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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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