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104420 Mercury(II) iodide red,

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Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
7774-29-0231-873-8HgI₂454.4 g/mol


Catalogue NumberPackaging Qty/Pack
1044200100 Plastic bottle 100 g
1044201000 Plastic bottle 1 kg
Catalogue Number104420
SynonymsMercury diiodide
Product Information
CAS number7774-29-0
EC number231-873-8
Hill FormulaHgI₂
Molar Mass454.4 g/mol
HS Code2852 10 19
Quality LevelMQ200
Biological Information
Physicochemical Information
Boiling point354 °C (1013 hPa) (sublimed)
Density6.360 g/cm3 (20 °C)
Melting Point259 °C
pH value6 - 7 (50 g/l, H₂O, 20 °C) (slurry)
Vapor pressure0.006 hPa (80 °C)
Bulk density1350 kg/m3
Solubility0.06 g/l
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 18 mg/kg
LD 50 dermalLD50 Rat 75 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
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 WordDanger
Storage class6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGKWGK 3 highly hazardous to water
Mercury residues and salts. Elemental mercury must be taken up with Chemizorb® Hg (Cat. No 112576): container G.
Safety Information
Categories of dangervery toxic, dangerous for the environment
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1638 , 6.1, II
Declaration (transport by air) IATA-DGRUN 1638 , 6.1, II
Declaration (transport by sea) IMDG-CodeUN 1638 , 6.1, II, Marine Pollutant: P, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds))11 (Mercury and mercury compounds)
Supplemental Information
Assay (argentometric)≥ 99.0 %
Identitypasses test
Appearance of solution in ethanolpasses test
Water-soluble substances≤ 0.05 %
Substances not reducing by formic acid (residue on ignition)≤ 0.1 %
Global Trade Item Number
Catalogue Number GTIN
1044200100 04022536051567
1044201000 04022536051574