2-methyl-2-nitrosopropane

2-Methyl-2-nitrosopropane

2-Methyl-2-nitrosopropane (MNP or t-nitrosobutane, chemical formula (CH₃)₃CNO) can be prepared by catalytic oxidation of (CH₃)₃CNH₂ using hydrogen peroxide and sodium tungstate. Depending on the temperature and solvent, it is either dimeric and colorless or monomeric and blue. It can be used as a spin trap. This molecule traps unstable free radicals to form stable paramagnetic nitroxide radicals that can be detected and analyzed by electron spin resonance spectroscopy. It is particularly useful for trapping carbon-centered tyrosyl radicals.

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