5-chloropicolinaldehyde

Modify Date: 2025-08-25 12:00:24

5-chloropicolinaldehyde Structure
5-chloropicolinaldehyde structure
Common Name 5-chloropicolinaldehyde
CAS Number 31181-89-2 Molecular Weight 141.555
Density 1.3±0.1 g/cm3 Boiling Point 207.9±20.0 °C at 760 mmHg
Molecular Formula C6H4ClNO Melting Point 66-68ºC
MSDS Chinese USA Flash Point 79.5±21.8 °C

 Names

Name 5-Chloro-2-pyridinecarbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 207.9±20.0 °C at 760 mmHg
Melting Point 66-68ºC
Molecular Formula C6H4ClNO
Molecular Weight 141.555
Flash Point 79.5±21.8 °C
Exact Mass 140.998138
PSA 29.96000
LogP 1.26
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.593

 Safety Information

Hazard Codes Xi
Risk Phrases 36-43
Safety Phrases 26-36/37
HS Code 2933399090

 Synthetic Route

~53%

5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: ASTRAZENECA AB; NPS PHARMACEUTICALS, INC. Patent: WO2004/14902 A2, 2004 ; Location in patent: Page 42 ; WO 2004/014902 A2

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5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: WO2007/15162 A1, ; Page/Page column 91 ; WO 2007/015162 A1

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5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: WO2007/96763 A2, ; Page/Page column 52 ; WO 2007/096763 A2

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5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: WO2010/132615 A1, ; Page/Page column 132 ; WO 2010/132615 A1

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5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: US2007/105904 A1, ; Page/Page column 115 ;

~57%

5-chloropicolinaldehyde Structure

5-chloropicolin...

CAS#:31181-89-2

Literature: Buettelmann, Bernd; Jakob-Roetne, Roland; Knust, Henner; Thomas, Andrew Patent: US2009/143385 A1, 2009 ;

 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

2-Pyridinecarboxaldehyde, 5-chloro-
5-chloropicolinaldehyde
5-Chloro-2-pyridinecarboxaldehyde
5-Chloropyridine-2-Carboxaldehyde
5-Chloropyridine-2-carbaldehyde
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