2-METHYL-6-VINYLPYRIDINE Chemical Properties

Boiling point:

73 °C(Press: 21 Torr)

Density 

0.954±0.06 g/cm3(Predicted)

storage temp. 

Inert atmosphere,Store in freezer, under -20°C

pka

5.52±0.10(Predicted)

LogP

2.143 (est)

CAS DataBase Reference

1122-70-9(CAS DataBase Reference)

Safety Information

Risk Statements 

10-20/21/22-34-36

Safety Statements 

24/25-26-36/37/39

RIDADR 

2924

HS Code 

2933499090

2-METHYL-6-VINYLPYRIDINE Usage And Synthesis

Synthesis

The general procedure for the synthesis of 2-methyl-6-vinylpyridine and 2,6-divinylpyridine (CAS:1124-74-9) from 2,6-dimethylpyridine and formaldehyde over modified ZSM-5 catalyst was as follows: the Cs-ZSM-5 catalyst (SiO2/Al2O3 molar ratio of 30, Cs loading of 3 wt%) was filled in a Pyrex reactor with an inner diameter of 20 mm and 30-40 cm in length in a Pyrex reactor, and the catalytic zone was heated to 300 °C. Subsequently, 2,6-dimethylpyridine and formaldehyde were added to the mixture from the top of the reactor in a molar ratio of 4:1, with a controlled gravimetric airspeed of 0.5 h-1. After 6 h of reaction, the conversion of 2,6-dimethylpyridine was 37.1%, and the selectivities of 2,6-divinylpyridine (2,6-DVP) and 2-methyl-6-vinylpyridine (2M6VP) in the liquid products were, respectively, 25.2% and 74.8%. 25.2% and 74.8%.

References

[1] Patent: US2004/192925, 2004, A1. Location in patent: Page 2
[2] Patent: US2004/192925, 2004, A1. Location in patent: Page 2
[3] Patent: US2004/192925, 2004, A1. Location in patent: Page 2
[4] Patent: US2004/192925, 2004, A1. Location in patent: Page 3
[5] Patent: US2004/192925, 2004, A1. Location in patent: Page 2-3

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