THE catalytic effect of small amounts of pyridine in the reaction between thionyl chloride and carboxylic acids is well known; Carré and Libermann 1 have shown further that it is of great advantage to ...

Alex Knapp is a Forbes senior editor covering healthcare and science. Ammonia is a crucial ingredient for the planet’s food supply—more than two-thirds of it is used to produce fertilizer. It’s also ...

A focus on anhydrous ammonia safety helps ensure that everyone fully appreciates their role in protecting themselves, their coworkers, and their local community. When handling anhydrous ammonia (NH3), ...

Dichloromethane, DCM, Methylene Chloride Dichloromethane (DCM or methylene chloride) is a colorless, volatile liquid with a sweet odor. It is widely used in a variety of commercial applications, ...