There is no purified nitromethane on the market, and to obtain pure nitromethane for research purposes seems to be a problem. It has been said1 that conventional methods of purification were inadequate for the removal of impurities in commercial grade nitromethane. The impurities are usually higher nitroalkanes plus trace cyanoalkanes and are distinguishable from nitromethane by nmr spectroscopy (Fig. 1). We have tried the reported methods of purifying nitromethane, such as the chemical treatments2 and the azeotropic distillations,2*3 but the results were unsatisfactory. Now we find that a treatment of crystallization from ether at -60-78°C eliminates all the impurities which appear in the nmr spectrum of the commercial product (Fig. 2).
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.