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Mercuric Iodide

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Mercuric Iodide molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Mercuric Iodide (CAS 7774-29-0). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7774-29-0
Molecular formulaHgI2
Molecular weight454.39 g/mol
IUPAC namediiodomercury
SynonymsMercury diiodide · Mercury(II) iodide · diiodomercury · HgI2 · Red mercuric iodide · Mercuric iodide, red
Safety & Hazards (GHS) Danger
Acute toxic Acute toxic Health hazard Health hazard Environmental hazard Environmental hazard
  • H300 Fatal if swallowed
  • H310 Fatal in contact with skin
  • H330 Fatal if inhaled
  • H373 May causes damage to organs through prolonged or repeated exposure
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma MERCURIC IODIDE RED, ACS 83379-10G
83379-50G		 Request Quote
Sigma MERCURY(II) IODIDE, RED, 99+%, A.C.S. 221090-100G
221090-25G
221090-500G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.