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[13698-16-3] C3H5Cl2NO2 (MW 157.98) InChI = 1S/C3H5Cl2NO2/c1-2-8-3(7)6(4)5/h2H2,1H3 InChIKey = PCGGNOFZZFFFLU-UHFFFAOYSA-N (stable but reactive pseudohalogen which adds to alkenes to give β-chlorocarbamates;1 useful for the chlorination of tertiary hydrocarbons2 and activated aromatics3) Alternate Name: DCU. Physical Data: bp 55–56 °C/15 mmHg; 74–76 °C/15 mmHg;6 d 1.349 g cm−3. Solubility: insol H2O; sol benzene, acetic acid, acetonitrile. Form Supplied in: liquid; widely available; purity of commercial material 90–98%. Analysis of Reagent Purity: by iodometric titration for positive halogen.5, 6 Purification: vacuum distillation affords the reagent with a purity of >99.5%.6 Handling, Storage, and Precautions: lachrymatory liquid; fairly stable in the dark for at least several weeks at 25 °C.6, 7 Store under inert atmosphere. This reagent should be handled in a fume hood. |
