ChemicalBook > CAS DataBase List > Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)

Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)

Product Name
Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)
CAS No.
405230-79-7
Chemical Name
Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)
Synonyms
Pyridine,2-chloro-5-fluoro-, 1-oxide;2-chloro-5-fluoro-1-oxidopyridin-1-ium;Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)
CBNumber
CB31046909
Molecular Formula
C5H3ClFNO
Formula Weight
147.53
MOL File
405230-79-7.mol
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Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) Property

Melting point:
98-100℃
Boiling point:
311.3±22.0 °C(Predicted)
Density 
1.41±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-1.34±0.10(Predicted)
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Safety

HS Code 
2933399990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H320Causes eye irritation

H335May cause respiratory irritation

Precautionary statements

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

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

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N-Bromosuccinimide Price

TRC
Product number
C585785
Product name
2-Chloro-5-fluoropyridine-N-oxide
Packaging
500mg
Price
$130
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
HCH0363543
Product name
2-CHLORO-5-FLUOROPYRIDINE-1-OXIDE
Purity
95.00%
Packaging
5MG
Price
$500.7
Updated
2021/12/16
Matrix Scientific
Product number
085210
Product name
2-Chloro-5-fluoropyridine 1-oxide
Purity
97%
Packaging
1g
Price
$524
Updated
2021/12/16
AK Scientific
Product number
5485AB
Product name
2-Chloro-5-fluoropyridine1-oxide
Packaging
10g
Price
$652
Updated
2021/12/16
Ambeed
Product number
A673254
Product name
2-Chloro-5-fluoropyridine1-oxide
Purity
97%
Packaging
25g
Price
$743
Updated
2021/12/16
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Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) Chemical Properties,Usage,Production

Synthesis

31301-51-6

405230-79-7

General procedure: 2-chloro-5-fluoropyridine (20 g, 152 mmol) was dissolved in trifluoroacetic acid (150 mL) under nitrogen protection. Hydrogen peroxide (78 mL, 760 mmol) was slowly added to the solution at 70°C. The reaction mixture was stirred at 70°C for 16 hours. Upon completion of the reaction, the reaction solution was concentrated. Water and dichloromethane (DCM) were added to the residue. The pH was adjusted to 7 with 28% ammonium hydroxide solution and then extracted with DCM. The organic phase was dried with anhydrous magnesium sulfate (MgSO4) and concentrated to give 2-chloro-5-fluoropyridine 1-oxide (20.1 g, 136 mmol, 90% yield), and the product could be used in the next reaction without further purification.LC-MS analysis showed m/z 147.6 (M+H) with retention time of 0.78 min.

References

[1] Patent: WO2016/203401, 2016, A1. Location in patent: Page/Page column 191
[2] Patent: WO2011/113802, 2011, A2. Location in patent: Page/Page column 106
[3] Nucleosides, Nucleotides and Nucleic Acids, 2001, vol. 20, # 12, p. 1975 - 2000
[4] Patent: US2004/116362, 2004, A1. Location in patent: Page/Page column 12; Figure 1
[5] Patent: US2012/95031, 2012, A1. Location in patent: Page/Page column 158-159

Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

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Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) Suppliers

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View Lastest Price from Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) manufacturers

Career Henan Chemical Co
Product
Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI) 405230-79-7
Price
US $0.01/KG
Min. Order
1KG
Purity
98%; 99%
Supply Ability
500g;1kg; 25kg
Release date
2020-01-09

405230-79-7, Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)Related Search:


  • Pyridine, 2-chloro-5-fluoro-, 1-oxide (9CI)
  • 2-chloro-5-fluoro-1-oxidopyridin-1-ium
  • Pyridine,2-chloro-5-fluoro-, 1-oxide
  • 405230-79-7
  • PYRIDINE