2H‐2‐Hydroxy‐1,3,2‐benzodithiazole 1,1,3,3‐tetraoxide

(2H-2-Hydroxy-1,3,2-benzodithiazole 1,1,3,3-tetraoxide) [77450-62-5] C6H5NO5S2 (MW 235.24) InChI = 1S/C6H5NO5S2/c8-7-13(9,10)5-3-1-2-4-6(5)14(7,11)12/h1-4,8H InChIKey = ISMWWXXQYWXQMQ-UHFFFAOYSA-N Physical Data: mp 128–130 °C. Solubility: soluble in H2O, THF, and acetonitrile. Alternate names: N-hydroxy-o-benzenedisulfonimide; NHOBS. Form supplied in: white crystals. Preparative method: reduction of benzene o-disulphonyl chloride with Na2SO3 followed by treatment with HNO2 provides N-hydroxy-o-benzenedisulfonimide (eq 1).1 (1) Handling, Storage, and Precautions: storage in a cool, dry place is recommended.