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LC3642 Mercury(II) iodide

red, GR for analysis ACS,Reag. Ph Eur


Order number Packaging Quantity Price €
AC30642 Plastic bottle 50 g 27.40
AC30642 Plastic bottle 250 g 94.50


Product information
Grade ACS,Reag. Ph Eur
Hill Formula HgI2
HS Code 2852 00 00
EC number 231-873-8
Molar mass 454.39 g/mol
EC index number 080-002-00-6
CAS number 7774-29-0


Chemical and physical data
Solubility 0.06 g/l (25 °C)
Melting point 259 °C
Molar mass 454.39 g/mol
Density 6.36 g/cm3 (25 °C)
Bulk density 1350 kg/m3
pH value 6 – 7 (50 g/l, H2O, 20 °C) (slurry)
Boiling point 354 °C (1013 hPa) (sublimed)
Vapor pressure 0.006 hPa (80 °C)


Safety information according to GHS
Hazard Statement(s) H330: Fatal if inhaled.
H310: Fatal in contact with skin.
H300: Fatal if swallowed.
H373: May cause damage to organs through prolonged or repeated exposure.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Signal Word Danger
Hazard Pictogram(s)

RTECS OW5250000
Storage class 6.1B Non combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 20
Mercury residues and salts. Elemental mercury must be taken up with Chemizorb® Hg (Cat. No 112576): container G.


Safety information
R Phrase R 26/27/28-33-50/53
Very toxic by inhalation, in contact with skin and if swallowed.Danger of cumulative effects.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 13-28-45-60-61
Keep away from food, drink and animal feedingstuffs.After contact with skin, wash immediately with plenty of soap and water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger very toxic, dangerous for the environment
Hazard Symbol Very toxic
Dangerous for the environment


Transport information
Declaration (transport by sea) IMDG-Code UN 1638 MERCURY IODIDE, 6.1, II, Marine Pollutant: P, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds)), 11 (Mercury and mercury compounds)
Declaration (transport by air) IATA-DGR UN 1638 MERCURY IODIDE, 6.1, II


Toxicological data
LD 50 oral LD50 rat 18 mg/kg
LD 50 dermal LD50 rat 75 mg/kg


Assay (argentometric, dried sust.) ≥ 99.0 %
Solubility in Potassium iodide passes test
Soluble mercury salts (as Hg) ≤ 0.05 %
Foreign heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
Mercury (I) (as Hg) ≤ 0.1 %
Substances not reducing by formic acid ≤ 0.02 %