5-Chloro-2,3-difluoropyridine

Modify Date: 2025-08-20 09:40:58

5-Chloro-2,3-difluoropyridine Structure
5-Chloro-2,3-difluoropyridine structure
Common Name 5-Chloro-2,3-difluoropyridine
CAS Number 89402-43-7 Molecular Weight 149.526
Density 1.5±0.1 g/cm3 Boiling Point 142.4±35.0 °C at 760 mmHg
Molecular Formula C5H2ClF2N Melting Point 47-49ºC
MSDS Chinese USA Flash Point 39.9±25.9 °C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning

 Names

Name 5-Chloro-2,3-difluoropyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 142.4±35.0 °C at 760 mmHg
Melting Point 47-49ºC
Molecular Formula C5H2ClF2N
Molecular Weight 149.526
Flash Point 39.9±25.9 °C
Exact Mass 148.984390
PSA 12.89000
LogP 1.14
Vapour Pressure 7.0±0.3 mmHg at 25°C
Index of Refraction 1.479
Storage condition 2-8°C

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H302-H412
Precautionary Statements P273
Hazard Codes Xi,Xn
Risk Phrases R22;R52/53
Safety Phrases S23-S36-S61
RIDADR 2810
Packaging Group III
HS Code 2933399090

 Synthetic Route

~87%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Ciba Geigy Corporation Patent: US4713109 A1, 1987 ;

~%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Synthetic Communications, , vol. 34, # 23 p. 4301 - 4311

~75%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Differding, E.; Frick, W.; Lang, R. W.; Martin, P.; Schmit, C.; et al. Bulletin des Societes Chimiques Belges, 1990 , vol. 99, # 9 p. 647 - 671

~68%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Zhong, Ping; Hu, Huanan; Guo, Shengrong Synthetic Communications, 2004 , vol. 34, # 23 p. 4301 - 4311

~%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: US5468863 A1, ;

~21%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Synthetic Communications, , vol. 34, # 23 p. 4301 - 4311

~%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: US6184425 B2, ;

~%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: US6184425 B2, ;

~%

5-Chloro-2,3-difluoropyridine Structure

5-Chloro-2,3-di...

CAS#:89402-43-7

Literature: Synthetic Communications, , vol. 34, # 23 p. 4301 - 4311

 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%

 Synonyms

MFCD04039314
Pyridine, 5-chloro-2,3-difluoro-
5-Chloro-2,3-difluoropyridine
2,3-Difluoro-5-chloropyridine
T6NJ BF CF EG
EINECS 410-090-7
5-CHLORO-2,3-DIFLUORO PYRIDINE
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