2,5-Difluoropyridine

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Names

[ CAS No. ]:
84476-99-3

[ Name ]:
2,5-Difluoropyridine

[Synonym ]:
Pyridine,2,5-difluoro
MFCD04114191
2,5-Difluoropyridine
2,4-DIFLUOROPHENYL ISOTHIOCYANATE
2,5-difluoro-pyridine
Pyridine, 2,5-difluoro-

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
113.1±20.0 °C at 760 mmHg

[ Melting Point ]:
-33 °C

[ Molecular Formula ]:
C5H3F2N

[ Molecular Weight ]:
115.081

[ Flash Point ]:
22.2±21.8 °C

[ Exact Mass ]:
115.023354

[ PSA ]:
12.89000

[ LogP ]:
0.95

[ Vapour Pressure ]:
24.9±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.447

[ Storage condition ]:
Room temperature.

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226-H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Hazard Codes ]:
T: Toxic;F: Flammable;Xi: Irritant;

[ Risk Phrases ]:
10-36/37/38-22

[ Safety Phrases ]:
16-26-36/37/39

[ RIDADR ]:
UN 1993C 3 / PGIII

[ HS Code ]:
2933399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Chloro-2,5-difluoropyridine
  • Pyridine, 3,6-difluoro-2-hydrazinyl
  • 3-chloro-2,5,6-trifluoropyridine
  • 3-Chlorotetrafluoropyridine
  • 5-chloro-3,6-difluoro-2-hydrazinopyridine
  • Pyridine

DownStream

  • 3,5-Dimethoxypyridine
  • 2,5-Difluoro-4-iodopyridine
  • 2,5-Difluoropyridine-4-boronic acid
  • 5-Fluoro-4-Iodopyridin-2(1H)-One

Customs

[ HS Code ]: 2933399090

[ Summary ]:
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 4-Amino-2,5-difluoropyridine
  • 3-Bromo-2,5-difluoropyridine
  • 4-Bromo-2,5-difluoropyridine
  • 3-Chloro-2,5-difluoropyridine
  • 4-Chloro-2,5-difluoropyridine
  • 2,5-difluoropyridine-4-carbaldehyde
  • N-{[1-(2,3-dihydro-1,4-benzodioxin-6-yl)cyclopentyl]methyl}-3-(2-phenylethenesulfonamido)propanamide
  • 2-(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidine-1-carbonyl)-4H-chromen-4-one
  • (2,4-Dimethylthiazol-5-yl)(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone
  • (2,5-Dimethylfuran-3-yl)(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone
  • (1H-indol-3-yl)(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone
  • (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone
  • (4-(5-Isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(4-methyl-1,2,3-thiadiazol-5-yl)methanone
  • 1-(1-Methanesulfonylpiperidine-4-carbonyl)-4-[5-(propan-2-yl)-1,3,4-oxadiazol-2-yl]piperidine
  • (4-(5-Isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(pyridin-3-yl)methanone
  • (4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(3-methoxy-1-methyl-1H-pyrazol-4-yl)methanone
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