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Description
Catalogue Number	104428
Synonyms	Mercury diiodide

Physicochemical Information
Boiling point	354 °C (1013 hPa) (sublimed)
Density	6.360 g/cm3 (20 °C)
Melting Point	259 °C
pH value	6 – 7 (50 g/l, H₂O, 20 °C) (slurry)
Vapor pressure	0.006 hPa (80 °C)
Bulk density	1350 kg/m3
Solubility	0.06 g/l

Toxicological Information
LD 50 oral	LD50 Rat 18 mg/kg
LD 50 dermal	LD50 Rat 75 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled. H373: May cause damage to organs through prolonged or repeated exposure. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P262: Do not get in eyes, on skin, or on clothing. P264: Wash skin thoroughly after handling. P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing. P302 + P352 + P310: IF ON SKIN: Wash with plenty of water. Immediately call a POISON CENTER/doctor. P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
Signal Word	Danger
RTECS	OW5250000
Storage class	6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK	WGK 3 highly hazardous to water
Disposal	20 Mercury residues and salts. Elemental mercury must be taken up with Chemizorb® Hg (Cat. No 112576): container G.

Safety Information
Categories of danger	very toxic, dangerous for the environment

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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

Specifications
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 %
Corresponds to ACS,Reag. Ph Eur

Merck 104428 0050 Mercury(II) iodide 50 GR