Millipore Sigma Vibrant Logo

104465 Mercury(II) oxide

View Pricing & Availability


Replacement Information

Key Specifications Table

EC NumberHill FormulaMolar Mass
244-654-7HgO216.58 g/mol

Pricing & Availability

Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
Retrieving availability...
Limited AvailabilityLimited Availability
Limited Quantities Available
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service

      Plastic bottle 100 g
      Retrieving price...
      Price could not be retrieved
      Minimum Quantity is a multiple of
      Maximum Quantity is
      Upon Order Completion More Information
      You Saved ()
      Request Pricing
      Catalogue Number104465
      Product Information
      CAS number21908-53-2
      EC number244-654-7
      Hill FormulaHgO
      Molar Mass216.58 g/mol
      HS Code2852 10 00
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      Density11.1 g/cm3 (20 °C)
      Melting Point>400 °C (decomposition)
      pH value6 - 7 (50 g/l, H₂O, 20 °C) (slurry)
      Vapor pressure0.12 Pa (20 °C)
      Bulk density3000 kg/m3
      Solubility0.052 g/l
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 18 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)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.
      P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
      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
      Hazard Symbols Hazard SymbolsDangerous for the environment
      Hazard SymbolsVery toxic
      Categories of dangervery toxic, dangerous for the environment
      R PhraseR 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 PhraseS 28-45-60-61
      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.
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1641 , 6.1, II
      Declaration (transport by air) IATA-DGRUN 1641 , 6.1, II
      Declaration (transport by sea) IMDG-CodeUN 1641 , 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 (complexometric)99.0 - 100.5 %
      Identitypasses test
      Appearance of solutionpasses test
      Acidic or alkaline substancespasses test
      Chloride (Cl)≤ 0.05 %
      Nitrate (NO₃)passes test
      Yellow mercury (II)-oxidepasses test
      Substances not reducing by formic acid (residue on ignition)≤ 0.05 %
      Loss on Drying (105 °C)≤ 0.5 %