CAS: 7783-33-7 Molecular Formula: H4HgI4K2 Molecular Weight (g/mol): 790.44 MDL Number: MFCD00049656 InChI Key: ZCPVFAXYZYZMBC-UHFFFAOYSA-N Synonym: nessler's reagent,nessler reagent,mayer's reagent,channing's solution,caswell no. 695,potassium iodomercurate,mercury ii potassium iodide,mercury potassium iodide,potassium mercuric iodide,mercuric potassium iodide PubChem CID: 24542 ChEBI: CHEBI:51568 SMILES: [K+].[K+].I.I.I.I.[Hg--]