Trichloromethylisocyanide Dichloride

[29164-55-4] C2Cl5N (MW 215.28) InChI = 1S/C2Cl5N/c3-1(4)8-2(5,6)7 InChIKey = MHBAKUDDQNRJEH-UHFFFAOYSA-N (strong chlorinating agent; used as a reagent in forming heterocycles and dehydrating amides1, 2) Physical Data: bp 59–60 °C/12 mmHg; d 1.698 g cm−3. Solubility: sol most organic solvents. Form Supplied in: liquid; must be synthesized. Preparative Methods: synthesized by chlorinating triethylamine hydrochloride (in low yields)5 and, in better yields, with N,N-dimethylcarbamoyl chloride 1 at 250 °C (eq 1).5, 6 (1) Purification: redistil under reduced pressure.3 Handling, Storage, and Precautions: corrosive; moisture and air sensitive. Store under an inert atmosphere (see Aldrich safety index for phosphorus pentachloride4).