Synonym(s): Mercuric oxide
Formula weight: 216.59
CAS Number: 21908-53-2
UN Number: UN1641
Hazard Class: 6.1
Packing Group: II
Harmonized Tariff Code: 2852.10
Hazard Statements: H300-H310-H330-H373
Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: P260-P301+P310-P304+P340-P320-P330-P361-P405-P501a
Do not breathe dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Specific treatment is urgent (see label). Rinse mouth. Remove/Take off immediately all contaminated clothing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Phrases: 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.
Safety Phrases: 13-28-45-60-61
Keep away from food, drink and animal feeding stuffs. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets
Form: Orange-red powder
Melting point: ca 500° dec.