o-Nitrophenyl Selenocyanate

[51694-22-5] C7H4N2O2Se (MW 227.09) InChI = 1S/C7H4N2O2Se/c8-5-12-7-4-2-1-3-6(7)9(10)11/h1-4H InChIKey = LHBLJWULWKQRON-UHFFFAOYSA-N (reagent for alkene synthesis2-4) Physical Data: light brown crystals; mp 139–141 °C. Solubility: sol common organic solvents such as dichloromethane, THF, DMF, and ethanol. Form Supplied in: commercially available in 98% purity. Preparative Method: obtained in 66% yield from o-nitroaniline by diazotization followed by treatment with Potassium Selenocyanate in buffer solution containing sodium acetate.2, 5 Purification: recrystallization from ethanol. Handling, Storage, and Precautions: highly toxic and irritant agent. Use in a fume hood.