2-Chloro-5-ethynylpyridine

Modify Date: 2025-08-23 01:52:40

2-Chloro-5-ethynylpyridine Structure
2-Chloro-5-ethynylpyridine structure
 Common Name 2-Chloro-5-ethynylpyridine
CAS Number 263012-63-1 Molecular Weight 137.566
Density 1.2±0.1 g/cm3 Boiling Point 208.3±25.0 °C at 760 mmHg
Molecular Formula C7H4ClN Melting Point N/A
MSDS N/A Flash Point 99.3±8.8 °C

 Names

Name 2-Chloro-5-ethynylpyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 208.3±25.0 °C at 760 mmHg
Molecular Formula C7H4ClN
Molecular Weight 137.566
Flash Point 99.3±8.8 °C
Exact Mass 137.003220
PSA 12.89000
LogP 1.58
Vapour Pressure 0.3±0.4 mmHg at 25°C
Index of Refraction 1.567
InChIKey PGLDMOFVMPWSEN-UHFFFAOYSA-N
SMILES C#Cc1ccc(Cl)nc1
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi

 Synthetic Route

2-CHLORO-5-TRIMETHYLSILANYLETHYNYL-PYRIDINE structure

2-CHLORO-5-TRIM...

CAS#:263012-81-3

~95%

2-Chloro-5-ethynylpyridine Structure

2-Chloro-5-ethy...

CAS#:263012-63-1

Literature: Baxter Journal of Organic Chemistry, 2001 , vol. 66, # 12 p. 4170 - 4179
2-Chloro-5-iodopyridine structure

2-Chloro-5-iodo...

CAS#:69045-79-0

~%

2-Chloro-5-ethynylpyridine Structure

2-Chloro-5-ethy...

CAS#:263012-63-1

Literature: Hapuarachchige, Sudath; Montano, Gilbert; Ramesh, Chinnasamy; Rodriguez, Delany; Henson, Lauren H.; Williams, Casey C.; Kadavakkollu, Samuel; Johnson, Dennis L.; Shuster, Charles B.; Arterburn, Jeffrey B. Journal of the American Chemical Society, 2011 , vol. 133, # 17 p. 6780 - 6790

 Synonyms

Pyridine, 2-chloro-5-ethynyl-
PYRIDINE,2-CHLORO-5-ETHYNYL
2-Chloro-5-ethynylpyridine
2-chloro-5-ethynyl-pyridine
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