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4,4'-Bipyridine is used in transition-metal complex catalyst chemistry for uniform polymerization, in luminescence chemistry and in spectrophotometric analysis. It plays an important role as a photosensitizer and luminescent material. It is also used as a precursor to paraquat viz. N,N'-dimethyl-4,4'-bipyridinium.
Ohmura, T.; Morimasa, Y.; Suginome, M. Organocatalytic Diboration Involving Reductive Addition of a Boron-Boron ?-Bond to 4,4'-Bipyridine. J. Am. Chem. Soc. 2015, 137 (8), 2852-2855.
Aniola, M.; Katrusiak, A. Conformational Conversion of 4,4'-Bipyridinium in a Hidden High-Pressure Phase. Cryst. Growth Des. 2015, 15 (2), 764-770.
Hazard Statements: H301-H311
Toxic if swallowed. Toxic in contact with skin.
Precautionary Statements: P280h-P301+P310a-P312a-P321-P405-P501a
Wear protective gloves/clothing. IF SWALLOWED: Specific treatment (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.