Potassium tetraiodomercurate

[1. a solution of potassium hydroxide, mercuric iodide, and potassium iodide; it yields a yellow color with ammonia (a brown precipitate with larger amounts) that can be used for quantitative assay.

Molecular Formula: HgI₄K₂

InChI: InChI=1/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4/fHg.4I.2K/h;4*1h;;/qm;4*-1;2m/rHgI4.2K/c2-1(3,4)5;;/q-2;2*+1

InChIKey: InChIKey=OPCMAZHMYZRPID-LCCNJYQBCS
SMILES: [K+].[K+].I[Hg-2](I)(I)I

Names:
    Caswell No. 695
    Channing's solution
    dipotassium tetraiodomercury
    Mayer's reagent
    Mercury potassium iodide
    Nessler reagent
    Potassium iodomercurate
    Potassium mercuric iodide
    Potassium mercuriiodide
    Potassium mercury iodine
    Potassium tetraiodomercurate

Registries:
    PubChem CID 24542
    PubChem ID 167058