Potassium Tetraiodomercurate(II) Properties, Molecular Formula, Applications - WorldOfChemicals

Potassium Tetraiodomercurate(II) Properties

Potassium Tetraiodomercurate(II)

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Potassium tetraiodomercurate(II) is an inorganic compound containing potassium cations and the tetraiodomercurate(II) complex anion. It is mainly used as Neßler's reagent, used to detect ammonia.

Chemical Properties

Appearance Light Yellow Liquid
CAS Number 7783-33-7
Class 6.1
Density 1.16 g/ml
EINECS Number 231-990-4
IUPAC Name Potassium Tetraiodomercurate(II)
InChI 1S/Hg.4HI.2K/h;4*1H;;/q+4;;;;;2*+1/p-4
Main Hazards Highly Toxic
Melting Point 120-127 °C
Molar Mass 786.4 g/mol
Molecular Formula HgI4K2
NFPA 704 H-4,F-1,R-1,C-NA
PG 2
RTECS Number OU9670000
Synonyms Mercuric Potassium Iodide;Nessler's Reagent
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