ChemicalBook > CAS DataBase List > 2-Chloro-6-fluorobenzoic acid

2-Chloro-6-fluorobenzoic acid

Product Name
2-Chloro-6-fluorobenzoic acid
CAS No.
434-75-3
Chemical Name
2-Chloro-6-fluorobenzoic acid
Synonyms
RARECHEM AL BO 0022;LABOTEST-BB LT00454355;2-Chloro-6-flurobenzoic acid;2-CHLORO-6-FLUOROBENZOIC ACID;2-Chloro-6-fluorobenzoicacid97%;Benzoic acid, 2-chloro-6-fluoro-;2-Chloro-6-fluorobenzoic Acid >2-CHLORO-6-FLUROBENZOIC ACID pure;2-Chloro-6-fluorobenzoic acid 97%;2-Chloro-6-fluorobenzoic acid, 98+%
CBNumber
CB1688854
Molecular Formula
C7H4ClFO2
Formula Weight
174.56
MOL File
434-75-3.mol
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2-Chloro-6-fluorobenzoic acid Property

Melting point:
155-157 °C(lit.)
Boiling point:
263.7±20.0 °C(Predicted)
Density 
1.4016 (estimate)
storage temp. 
Sealed in dry,Room Temperature
form 
powder to crystal
pka
2.04±0.10(Predicted)
color 
White to Gray to Brown
BRN 
973857
InChI
InChI=1S/C7H4ClFO2/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3H,(H,10,11)
InChIKey
XNTIGDVFBDJLTQ-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=C(F)C=CC=C1Cl
CAS DataBase Reference
434-75-3(CAS DataBase Reference)
NIST Chemistry Reference
2-Chloro-6-fluorobenzoic acid(434-75-3)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-37/38-36-20/21/22
Safety Statements 
26-36-37/39
WGK Germany 
3
HazardClass 
IRRITANT
HS Code 
29163900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.41200
Product name
2-Chloro-6-fluorobenzoic acid
Purity
for synthesis
Packaging
25G
Price
$219
Updated
2025/07/31
TCI Chemical
Product number
C0992
Product name
2-Chloro-6-fluorobenzoic Acid
Purity
>98.0%(T)
Packaging
10g
Price
$39
Updated
2025/07/31
TRC
Product number
C584755
Product name
2-Chloro-6-fluorobenzoic Acid
Packaging
25g
Price
$75
Updated
2021/12/16
TRC
Product number
C584755
Product name
2-Chloro-6-fluorobenzoic Acid
Packaging
2.5g
Price
$45
Updated
2021/12/16
Matrix Scientific
Product number
002766
Product name
2-Chloro-6-fluorobenzoic acid
Purity
97%
Packaging
100g
Price
$48
Updated
2021/12/16
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2-Chloro-6-fluorobenzoic acid Chemical Properties,Usage,Production

Chemical Properties

White to light yellow crystal powder

Uses

2-Chloro-6-fluorobenzoic Acid is a versatile reactant used in the synthesis of biaryls via decarboxylative Pd-catalyzed cross-coupling with aryl iodides. Also used in the preparation of fluorinated biaryls and heterobiaryls using copper catalyzed decarboxylative cross-coupling of aryl and heteroalyl iodides or bromides with potassium polyfluorobenzoates.

General Description

2-Chloro-6-fluorobenzoic acid is a two-fold halogenated derivative of benzoic acid.

Synthesis

387-45-1

434-75-3

General procedure for the synthesis of 2-chloro-6-fluorobenzoic acid from 2-chloro-6-fluorobenzaldehyde: H3PO4 (454 mg, 3.78 mmol) was added to a solution of 2-chloro-6-fluorobenzamide (1.0 g, 6.31 mmol) in 25 mL of THF and 10 mL of H2O. The reaction mixture was stirred at room temperature for 10 min, followed by the addition of NaClO (1.88 g, 20.81 mmol) and 1.4 mL H2O2 (30% w/w). The reaction was continued to be stirred for 3 h at room temperature. After completion of the reaction, the reaction mixture was extracted with EtOAc. The combined organic layers were washed with 1 M NaOH aqueous solution. The combined aqueous layer was acidified with 1 M HCl aqueous solution to pH ≈ 1 and extracted again with EtOAc. The combined organic layers were washed with brine and dried with anhydrous Na2SO4. After filtration, the solvent was removed in vacuum to afford 1.10 g (99% yield) of 2-chloro-6-fluorobenzoic acid as a colorless solid, which could be used without further purification.1H NMR (400 MHz, CDCl3) δ: 7.44-7.37 (m, 1H), 7.31-7.27 (m, 1H) , 7.10-7.07 (m, 1H).

References

[1] ChemMedChem, 2016, vol. 11, # 23, p. 2607 - 2620
[2] Patent: WO2018/52903, 2018, A1. Location in patent: Page/Page column 47-48
[3] Tetrahedron Letters, 1988, vol. 29, # 16, p. 1967 - 1970
[4] Chemische Berichte, 1936, vol. 69, p. 2253,2255
[5] Tetrahedron Letters, 1988, vol. 29, # 16, p. 1967 - 1970

2-Chloro-6-fluorobenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Chloro-6-fluorobenzoic acid Suppliers

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View Lastest Price from 2-Chloro-6-fluorobenzoic acid manufacturers

Speranza Chemical Co., Ltd.
Product
2-Chloro-6-fluorobenzoic acid 434-75-3
Price
US $60.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
300MT/year
Release date
2019-12-24
Hangzhou MolCore BioPharmatech Co.,Ltd.
Product
2-Chloro-6-Fluorobenzoic Acid 434-75-3
Price
US $0.00-0.00/kg
Min. Order
50kg
Purity
98.5%
Supply Ability
Tons
Release date
2022-11-11
Honest Joy Holdings Limited
Product
2-Chloro-6-fluorobenzoic acid 434-75-3
Price
US $0.00/KG
Min. Order
1KG
Purity
99.1%
Supply Ability
100 tons
Release date
2022-02-20

434-75-3, 2-Chloro-6-fluorobenzoic acidRelated Search:

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  • LABOTEST-BB LT00454355
  • 2-CHLORO-6-FLUOROBENZOIC ACID
  • RARECHEM AL BO 0022
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  • 2-Chloro-6-fluorobenzoic acid 97%
  • 2-Chloro-6-fluorobenzoicacid97%
  • 2-CHLORO-6-FLUROBENZOIC ACID pure
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  • 2-Chloro-6-Fluorobenzoic Acid pure, 98%
  • 434-75-3
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