Di-tert-butyl Chromate

[1189-85-1] C8H18CrO4 (MW 230.22) InChI = 1S/2C4H9O.Cr.2O/c2*1-4(2,3)5;;;/h2*1-3H3;;;/q2*-1;+2;; InChIKey = PNWJTIFZRHJYLK-UHFFFAOYSA-N (selectively oxidizes allylic methylene groups to carbonyl groups; oxidizes alcohols to aldehydes and ketones) Alternate Names: tert-butyl chromate. Physical Data: red crystals; oil at rt; mp −5 to 0 °C. Solubility: sol CH2Cl2, C6H6, BuOH, tert-BuOH, CCl4, petroleum ether, C6H6 or CCl4 or Cl2CCCl2/Ac2O/HOAc. Preparative Method: prepared from tert-butanol and Chromium(VI) Oxide or Chromyl Chloride. Handling, Storage, and Precautions: should be used as prepared. Chromium(VI) compounds are toxic and should be handled with care; the mutagenicity of CrVI compounds is well documented.1f Use in a fume hood.